Thomas J Gill

Summary

Affiliation: Massachusetts General Hospital
Country: USA

Publications

  1. pmc Surgical technique: aperture fixation in PCL reconstruction: applying biomechanics to surgery
    Thomas J Gill
    Massachusetts General Hospital Sports Medicine Service, Harvard Medical School, 175 Cambridge Street, 4th Floor, Boston, MA 02114, USA
    Clin Orthop Relat Res 470:853-60. 2012
  2. ncbi request reprint Chondral defect repair after the microfracture procedure: a nonhuman primate model
    Thomas J Gill
    Massachusetts General Hospital, WACC 508, 15 Parkman Street, Boston, MA 02114, USA
    Am J Sports Med 33:680-5. 2005
  3. doi request reprint Stress fractures in athletes
    Amon T Ferry
    Massachusetts General Hospital, Harvard Medical School, Boston, MA
    Phys Sportsmed 38:109-16. 2010
  4. ncbi request reprint The treatment of articular cartilage defects using the microfracture technique
    Thomas J Gill
    Harvard Medical School, Boston, MA, USA
    J Orthop Sports Phys Ther 36:728-38. 2006
  5. ncbi request reprint Anterior cruciate ligament reconstruction the two-incision technique
    Thomas J Gill
    Department of Orthopedic Surgery, Harvard Medical School, Massachusetts General Hospital Ambulatory Care Center, 15 Parkman Street, Boston, MA 02114, USA
    Orthop Clin North Am 33:727-35, vii. 2002
  6. pmc Anteroposterior stability of the knee during the stance phase of gait after anterior cruciate ligament deficiency
    Chih Hui Chen
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
    Gait Posture 35:467-71. 2012
  7. ncbi request reprint The coupled motion of the femur and patella during in vivo weightbearing knee flexion
    Guoan Li
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
    J Biomech Eng 129:937-43. 2007
  8. pmc The effect of anterior cruciate ligament reconstruction on kinematics of the knee with combined anterior cruciate ligament injury and subtotal medial meniscectomy: an in vitro robotic investigation
    Jong Keun Seon
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, USA
    Arthroscopy 25:123-30. 2009
  9. pmc The effect of isolated popliteus tendon complex injury on graft force in anterior cruciate ligament reconstructed knees
    Hemanth R Gadikota
    Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
    Int Orthop 35:1403-8. 2011
  10. pmc Increased tibiofemoral cartilage contact deformation in patients with anterior cruciate ligament deficiency
    Samuel K Van de Velde
    Massachusetts General Hospital Harvard Medical School, Boston, Massachusetts 02114, USA
    Arthritis Rheum 60:3693-702. 2009

Collaborators

Detail Information

Publications92

  1. pmc Surgical technique: aperture fixation in PCL reconstruction: applying biomechanics to surgery
    Thomas J Gill
    Massachusetts General Hospital Sports Medicine Service, Harvard Medical School, 175 Cambridge Street, 4th Floor, Boston, MA 02114, USA
    Clin Orthop Relat Res 470:853-60. 2012
    ..However, it remains unknown to what extent this mechanical theory influences in vivo graft performance over time...
  2. ncbi request reprint Chondral defect repair after the microfracture procedure: a nonhuman primate model
    Thomas J Gill
    Massachusetts General Hospital, WACC 508, 15 Parkman Street, Boston, MA 02114, USA
    Am J Sports Med 33:680-5. 2005
    ..Although most physicians recommend a period of activity and weightbearing restriction to protect the healing cartilage, there are limited data on which to base decisions regarding the duration of such restrictions...
  3. doi request reprint Stress fractures in athletes
    Amon T Ferry
    Massachusetts General Hospital, Harvard Medical School, Boston, MA
    Phys Sportsmed 38:109-16. 2010
    ..When treating an athlete with a stress fracture, the objective is a safe and quick return to sport; therefore, special considerations must be made in this population, particularly when dealing with the in-season athlete...
  4. ncbi request reprint The treatment of articular cartilage defects using the microfracture technique
    Thomas J Gill
    Harvard Medical School, Boston, MA, USA
    J Orthop Sports Phys Ther 36:728-38. 2006
    ..The postoperative protocol used after the procedure may be as important as the surgery itself. Understanding the science behind the microfracture procedure will lead to better surgical technique and improved outcomes...
  5. ncbi request reprint Anterior cruciate ligament reconstruction the two-incision technique
    Thomas J Gill
    Department of Orthopedic Surgery, Harvard Medical School, Massachusetts General Hospital Ambulatory Care Center, 15 Parkman Street, Boston, MA 02114, USA
    Orthop Clin North Am 33:727-35, vii. 2002
    ..Indications for its use are discussed. Advantages and disadvantages of the two-incision method compared with the all-endoscopic approach are reviewed...
  6. pmc Anteroposterior stability of the knee during the stance phase of gait after anterior cruciate ligament deficiency
    Chih Hui Chen
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
    Gait Posture 35:467-71. 2012
    ..These data may provide indications for conservative treatment or surgical reconstruction of the ACL injured knees in restoration of the knee kinematics during daily walking activities...
  7. ncbi request reprint The coupled motion of the femur and patella during in vivo weightbearing knee flexion
    Guoan Li
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
    J Biomech Eng 129:937-43. 2007
    ..The data also suggest that the kinematic coupling of tibia, femur, and patella should be considered when investigating patellar pathologies and when developing surgical techniques to treat knee joint diseases...
  8. pmc The effect of anterior cruciate ligament reconstruction on kinematics of the knee with combined anterior cruciate ligament injury and subtotal medial meniscectomy: an in vitro robotic investigation
    Jong Keun Seon
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, USA
    Arthroscopy 25:123-30. 2009
    ....
  9. pmc The effect of isolated popliteus tendon complex injury on graft force in anterior cruciate ligament reconstructed knees
    Hemanth R Gadikota
    Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
    Int Orthop 35:1403-8. 2011
    ..05). Prompt diagnosis of isolated PC injury and its treatment are warranted to prevent potential failure of ACL reconstruction...
  10. pmc Increased tibiofemoral cartilage contact deformation in patients with anterior cruciate ligament deficiency
    Samuel K Van de Velde
    Massachusetts General Hospital Harvard Medical School, Boston, Massachusetts 02114, USA
    Arthritis Rheum 60:3693-702. 2009
    ..To investigate the in vivo cartilage contact biomechanics of the tibiofemoral joint following anterior cruciate ligament (ACL) injury...
  11. pmc Comparison of single- and double-bundle anterior cruciate ligament reconstructions in restoration of knee kinematics and anterior cruciate ligament forces
    Jong Keun Seon
    Bioengineering Laboratory, Massachusetts General Hospital Harvard Medical School, 55 Fruit Street, GRJ 1215, Boston, MA 02114, USA
    Am J Sports Med 38:1359-67. 2010
    ..Anterior cruciate ligament (ACL) deficiency alters 6 degrees of freedom knee kinematics, yet only anterior translation and internal rotation have been the primary measures in previous studies...
  12. ncbi request reprint The effect of posterior knee capsulotomy on posterior tibial translation during posterior cruciate ligament tibial inlay reconstruction
    Sang Eun Park
    The Bioengineering Laboratory, Massachusetts General Hospital, Boston, Massachusetts, USA
    Am J Sports Med 32:1514-9. 2004
    ..To measure the biomechanical effect of the surgical capsulotomy made during a posterior cruciate ligament reconstruction using the tibial inlay technique...
  13. pmc Single-tunnel double-bundle anterior cruciate ligament reconstruction with anatomical placement of hamstring tendon graft: can it restore normal knee joint kinematics?
    Hemanth R Gadikota
    Massachusetts General Hospital Harvard Medical School, Boston, MA 02114, USA
    Am J Sports Med 38:713-20. 2010
    ..Anatomical reconstruction techniques that can restore normal joint kinematics without increasing surgical complications could potentially improve clinical outcomes and help manage anterior cruciate ligament injuries more efficiently...
  14. doi request reprint Kinematic evaluation of the step-up exercise in anterior cruciate ligament deficiency
    Michal Kozanek
    Bioengineering Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, 02114, USA
    Clin Biomech (Bristol, Avon) 26:950-4. 2011
    ..The purpose of this study was to investigate whether this "safe" rehabilitation exercise in the setting of ACL deficiency can cause altered knee kinematics...
  15. pmc Patellar tendon orientation and patellar tracking in male and female knees
    Kartik M Varadarajan
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, GRJ 1215, Boston, Massachusetts 02114, USA
    J Orthop Res 28:322-8. 2010
    ..Patellar tracking did not show significant sex differences or correlation to tibiofemoral rotation. Further studies are warranted to determine implications for patellofemoral pathologies and treatments like total knee arthroplasty...
  16. pmc In vivo tibiofemoral cartilage deformation during the stance phase of gait
    Fang Liu
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, GRJ 1215, Boston, MA 02114, USA
    J Biomech 43:658-65. 2010
    ..Also, the data on location and magnitude of deformation among non-diseased knees during gait could identify where loading and later injury might occur in diseased knees...
  17. ncbi request reprint The effects of ACL deficiency on mediolateral translation and varus-valgus rotation
    Guoan Li
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital Harvard Medical School Boston, MA, USA
    Acta Orthop 78:355-60. 2007
    ..Because of the oblique orientation of the ACL, we hypothesized that ACL deficiency alters mediolateral translation and varus-valgus rotation...
  18. pmc In vivo length patterns of the medial collateral ligament during the stance phase of gait
    Fang Liu
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, Boston, MA 02114, USA
    Knee Surg Sports Traumatol Arthrosc 19:719-27. 2011
    ..Our objective was to measure the kinematics of the medial collateral ligament during the stance phase of gait on a treadmill using a combined dual fluoroscopic imaging system (DFIS) and MRI technique...
  19. pmc The effect of anterior cruciate ligament deficiency and reconstruction on the patellofemoral joint
    Samuel K Van de Velde
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital Harvard Medical School, 55 Fruit St, GRJ 1215, Boston, MA 02114, USA
    Am J Sports Med 36:1150-9. 2008
    ..Little is known about the effect of anterior cruciate ligament deficiency and reconstruction on the patellofemoral joint...
  20. ncbi request reprint The 6 degrees of freedom kinematics of the knee after anterior cruciate ligament deficiency: an in vivo imaging analysis
    Louis E DeFrate
    Bioengineering Laboratory, GRJ 1215, Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114, USA
    Am J Sports Med 34:1240-6. 2006
    ..Few studies have measured the effects of anterior cruciate ligament deficiency on 6 degrees of freedom knee kinematics in vivo...
  21. ncbi request reprint The effect of posterior cruciate ligament reconstruction on patellofemoral contact pressures in the knee joint under simulated muscle loads
    Thomas J Gill
    Orthopaedic Biomechanics Laboratory, Massachusetts General Hospital and Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02114, USA
    Am J Sports Med 32:109-15. 2004
    ..PCL reconstruction has been recommended to restore kinematics and prevent long-term degeneration. The effect of current reconstruction techniques on PFJ contact pressures is unknown...
  22. ncbi request reprint The biomechanical effect of posterior cruciate ligament reconstruction on knee joint function. Kinematic response to simulated muscle loads
    Thomas J Gill
    Orthopedic Biomechanics Laboratory, Massachusetts General Hospital, Boston, USA
    Am J Sports Med 31:530-6. 2003
    ..The effectiveness of posterior cruciate ligament reconstruction in restoring normal kinematics under physiologic loading is unknown...
  23. ncbi request reprint The effect of anterior cruciate ligament deficiency on the in vivo elongation of the medial and lateral collateral ligaments
    Samuel K Van de Velde
    Bioengineering Laboratory, Department of Orthopedic Surgery, Massachusetts General Hospital Harvard Medical School, Boston, Massachusetts 02114, USA
    Am J Sports Med 35:294-300. 2007
    ..Although anterior cruciate ligament deficiency has been shown to lead to joint degeneration, few quantitative data have been reported on its effect on soft tissue structures surrounding the knee joint...
  24. pmc Gender differences in trochlear groove orientation and rotational kinematics of human knees
    Kartik M Varadarajan
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, GRJ 1215, Boston, Massachusetts 02114, USA
    J Orthop Res 27:871-8. 2009
    ....
  25. pmc In vivo patellar tracking: clinical motions and patellofemoral indices
    Kyung W Nha
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, 55 Fruit St, GRJ 1215, Boston, Massachusetts 02114, USA
    J Orthop Res 26:1067-74. 2008
    ..In conclusion, patellar motion is relatively small with respect to the femur during in vivo weightbearing knee flexion. These data may provide baseline knowledge for understanding normal patellar tracking...
  26. ncbi request reprint In vivo kinematics of the knee after anterior cruciate ligament reconstruction: a clinical and functional evaluation
    Ramprasad Papannagari
    Bioengineering Laboratory, Department of Orthopaedics, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
    Am J Sports Med 34:2006-12. 2006
    ..Abnormal kinematics after anterior cruciate ligament reconstruction have been thought to contribute to the degeneration...
  27. ncbi request reprint Application guidelines for dynamic knee joint analysis with a dual fluoroscopic imaging system
    Samuel K Van de Velde
    Massachusetts General Hospital Harvard Medical School, Boston, Massachusetts, USA
    Acta Orthop Belg 76:107-13. 2010
    ....
  28. doi request reprint Conditions affecting cell seeding onto three-dimensional scaffolds for cellular-based biodegradable implants
    Christian Weinand
    Plastic Surgery Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
    J Biomed Mater Res B Appl Biomater 91:80-7. 2009
    ..We conclude the dynamic oscillating seeding technique is an efficient technique for seeding low-cell numbers onto scaffolds resulting in consistent and uniform cell distribution throughout porous PLGA scaffolds...
  29. pmc Analysis of tibiofemoral cartilage deformation in the posterior cruciate ligament-deficient knee
    Samuel K Van de Velde
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital Harvard Medical School, 55 Fruit Street, GRJ 1215, Boston, MA 02114, USA
    J Bone Joint Surg Am 91:167-75. 2009
    ..In this study, we hypothesized that posterior cruciate ligament deficiency changes the location and magnitude of cartilage deformation in the tibiofemoral joint...
  30. pmc The effect of graft fixation sequence on force distribution in double-bundle anterior cruciate ligament reconstruction
    Chih Hui Chen
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street GRJ 1215, Boston, MA 02114, USA
    Knee Surg Sports Traumatol Arthrosc 19:712-8. 2011
    ..This paper investigated the effect of graft fixation sequence on knee joint biomechanics after a double-bundle ACL reconstruction...
  31. ncbi request reprint Comparison of the ACL and ACL graft forces before and after ACL reconstruction: an in-vitro robotic investigation
    Guoan Li
    Bioengineering Laboratory, Department of Orthopedic Surgery, Massachusetts General Hospital Harvard Medical School, Boston, MA, USA
    Acta Orthop 77:267-74. 2006
    ..We studied not only the magnitude but also the orientation of the ACL and ACL graft forces...
  32. ncbi request reprint In vivo articular cartilage contact kinematics of the knee: an investigation using dual-orthogonal fluoroscopy and magnetic resonance image-based computer models
    Guoan Li
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital Harvard Medical School, Boston, Massachusetts 02114, USA
    Am J Sports Med 33:102-7. 2005
    ..Quantifying the in vivo cartilage contact mechanics of the knee may improve our understanding of the mechanisms of joint degeneration and may therefore improve the surgical repair of the joint after injury...
  33. pmc Tunnel position and graft orientation in failed anterior cruciate ligament reconstruction: a clinical and imaging analysis
    Ali Hosseini
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital Harvard Medical School, 55 Fruit St, GRJ 1215, Boston, MA 02114, USA
    Int Orthop 36:845-52. 2012
    ..We postulated that this patient cohort had a nonanatomically positioned tunnel and graft orientation...
  34. ncbi request reprint In vivo function of the posterior cruciate ligament during weightbearing knee flexion
    Louis E DeFrate
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital Harvard Medical School, Boston, Massachusetts 02114, USA
    Am J Sports Med 32:1923-8. 2004
    ..There are few studies on the in vivo function of the posterior cruciate ligament. The objective of the study was to quantify the multidimensional deformation of the posterior cruciate ligament...
  35. ncbi request reprint Engineering cartilage in a photochemically crosslinked collagen gel
    Shinichi Ibusuki
    Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    J Knee Surg 22:72-81. 2009
    ..We found that photochemical crosslinking collagen gel enhances the physical parameters of the gel and permits new cartilage formation that can integrate with existing native cartilage...
  36. ncbi request reprint Erratum to "The change in length of the medial and lateral collateral ligaments during in vivo knee flexion"
    Sang Eun Park
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital Harvard Medical School, Boston, MA 02114, USA
    Knee 13:77-82. 2006
    ..Furthermore, the data suggest that the different roles of various portions of the collateral ligaments along the flexion path should be considered before releasing the collateral ligaments during knee arthroplasty...
  37. pmc The biomechanical function of the patellar tendon during in-vivo weight-bearing flexion
    Louis E DeFrate
    Bioengineering Laboratory, Massachusetts General Hospital and Harvard Medical School, 55 Fruit St, 1215 GRJ, Boston, MA 02114, USA
    J Biomech 40:1716-22. 2007
    ..These data may have important implications for anterior cruciate ligament reconstruction using patellar tendon autografts and for the design of rehabilitation regimens for patients of patellar tendon repair...
  38. pmc In situ forces in the anteromedial and posterolateral bundles of the anterior cruciate ligament under simulated functional loading conditions
    Jia Lin Wu
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, MA, USA
    Am J Sports Med 38:558-63. 2010
    ..These data are instrumental for improvement of the anatomical double-bundle ACL reconstruction...
  39. pmc Kinematics of the anterior cruciate ligament during gait
    Jia Lin Wu
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
    Am J Sports Med 38:1475-82. 2010
    ..The function of the anteromedial (AM) and posterolateral (PL) bundles of the anterior cruciate ligament (ACL) during gait has not been reported...
  40. ncbi request reprint Anterior cruciate ligament deficiency alters the in vivo motion of the tibiofemoral cartilage contact points in both the anteroposterior and mediolateral directions
    Guoan Li
    Bioengineering Laboratory, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, GRJ 1215, Boston, MA 02114, USA
    J Bone Joint Surg Am 88:1826-34. 2006
    ....
  41. ncbi request reprint An allogenic cell-based implant for meniscal lesions
    Christian Weinand
    Laboratory for Musculoskeletal Tissue Engineering, Department of Orhopaedic Surgery, Massachusetts General Hospital, WACC 531, 15 Parkman Street, Boston, 02114, USA
    Am J Sports Med 34:1779-89. 2006
    ..Allogenic cells, however, could provide an unlimited amount of cells...
  42. pmc Dual fluoroscopic analysis of the posterior cruciate ligament-deficient patellofemoral joint during lunge
    Samuel K Van de Velde
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital Harvard Medical School, Boston, MA, USA
    Med Sci Sports Exerc 41:1198-205. 2009
    ..To investigate the effect of posterior cruciate ligament (PCL) deficiency on the kinematics and the cartilage contact characteristics of the patellofemoral joint during an in vivo single-leg lunge...
  43. pmc In-vivo glenohumeral translation and ligament elongation during abduction and abduction with internal and external rotation
    Daniel F Massimini
    Massachusetts General Hospital, Harvard Medical School, Bioengineering Laboratory, Boston, MA, USA
    J Orthop Surg Res 7:29. 2012
    ..Basic Science. To investigate humeral head translations and glenohumeral ligament elongation with a dual fluoroscopic imaging system...
  44. pmc The relationship between femoral tunnels created by the transtibial, anteromedial portal, and outside-in techniques and the anterior cruciate ligament footprint
    Hemanth R Gadikota
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
    Am J Sports Med 40:882-8. 2012
    ..There is limited objective evidence on the ability of transtibial (TT), anteromedial (AM) portal, and outside-in (OI) operative techniques in creating anatomic tunnels...
  45. ncbi request reprint The in vivo kinematics of the anteromedial and posterolateral bundles of the anterior cruciate ligament during weightbearing knee flexion
    Susan S Jordan
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, USA
    Am J Sports Med 35:547-54. 2007
    ..However, there are little data on the in vivo biomechanics of the anteromedial and posterolateral bundles of the anterior cruciate ligament. Our objective was to measure the kinematics of the 2 bundles during weightbearing flexion...
  46. pmc Evaluation of kinematics of anterior cruciate ligament-deficient knees with use of advanced imaging techniques, three-dimensional modeling techniques, and robotics
    Samuel K Van de Velde
    Bioengineering Laboratory, Massachusetts General Hospital Harvard Medical School, 55 Fruit Street GRJ 1215, Boston, MA 02114, USA
    J Bone Joint Surg Am 91:108-14. 2009
    ..If the restoration of normal knee homeostasis is the ultimate goal of ligament reconstruction, the normal function of the anterior cruciate ligament should be restored as closely as possible in all degrees of freedom...
  47. pmc Posterolateral structures of the knee in posterior cruciate ligament deficiency
    Michal Kozanek
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, USA
    Am J Sports Med 37:534-41. 2009
    ..However, it is not known how isolated posterior cruciate ligament deficiency affects these soft tissue stabilizers of the knee joint in vivo...
  48. pmc The contralateral knee joint in cruciate ligament deficiency
    Michal Kozanek
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
    Am J Sports Med 36:2151-7. 2008
    ..Therefore, the contralateral knees might not be a reliable normal kinematic control...
  49. pmc In vitro and intraoperative laxities after single-bundle and double-bundle anterior cruciate ligament reconstructions
    Hemanth R Gadikota
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
    Arthroscopy 27:849-60. 2011
    ....
  50. ncbi request reprint Function of posterior cruciate ligament bundles during in vivo knee flexion
    Ramprasad Papannagari
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, USA
    Am J Sports Med 35:1507-12. 2007
    ..The biomechanical functions of the anterolateral and posteromedial bundles of the posterior cruciate ligament over the range of flexion of the knee joint remain unclear...
  51. ncbi request reprint The cartilage thickness distribution in the tibiofemoral joint and its correlation with cartilage-to-cartilage contact
    Guoan Li
    Bioengineering Laboratory, Massachusetts General Hospital Harvard Medical School, Boston, MA 02114, USA
    Clin Biomech (Bristol, Avon) 20:736-44. 2005
    ..The objective of this study was to investigate whether regions of cartilage in the tibiofemoral joint where cartilage-to-cartilage contact occurred was thicker than other regions...
  52. pmc Biomechanical comparison of single-tunnel-double-bundle and single-bundle anterior cruciate ligament reconstructions
    Hemanth R Gadikota
    Bioengineering Laboratory, Massachusetts General Hospital Harvard Medical School, 55 Fruit Street, Boston, MA 02114, USA
    Am J Sports Med 37:962-9. 2009
    ..Anatomic double-bundle reconstruction has been thought to better simulate the anterior cruciate ligament anatomy. It is, however, a technically challenging procedure, associated with longer operation time and higher cost...
  53. pmc Tibiofemoral kinematics and condylar motion during the stance phase of gait
    Michal Kozanek
    Department of Orthopaedic Surgery, Bioengineering Laboratory, Massachusetts General Hospital and Harvard Medical School, GRJ 1215, Boston, MA 02114, USA
    J Biomech 42:1877-84. 2009
    ..These findings further demonstrate that knee kinematics is activity-dependent and motion patterns of one activity (non-weightbearing flexion or lunge) cannot be generalized to interpret a different one (gait)...
  54. ncbi request reprint The change in length of the medial and lateral collateral ligaments during in vivo knee flexion
    Sang Eun Park
    Department of Orthopaedic Surgery, Massachusetts General Hospital Harvard Medical School, Boston, MA 02114, United States
    Knee 12:377-82. 2005
    ..Furthermore, the data suggest that the different roles of various portions of the collateral ligaments along the flexion path should be considered before releasing the collateral ligaments during knee arthroplasty...
  55. ncbi request reprint In vivo kinematics of the ACL during weight-bearing knee flexion
    Guoan Li
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital Harvard Medical School, 55 Fruit Street, GRJ 1215 Boston, MA, USA
    J Orthop Res 23:340-4. 2005
    ..These data also suggest that successful ACL reconstruction should not only restore the ligament's elongation behavior, but also its rotational and orientation characteristics, so that normal ACL biomechanics are restored...
  56. pmc Biomechanical evaluation of knee joint laxities and graft forces after anterior cruciate ligament reconstruction by anteromedial portal, outside-in, and transtibial techniques
    Jae Ang Sim
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital Harvard Medical School, Boston, 02114, USA
    Am J Sports Med 39:2604-10. 2011
    ..There is a paucity of information on the efficacy of ACL reconstructions by currently practiced tunnel creation techniques in restoring normal joint laxity...
  57. ncbi request reprint In vivo articular cartilage contact at the glenohumeral joint: preliminary report
    Patrick J Boyer
    Bioengineering Laboratory, Massachusetts General Hospital, Harvard Medical School, GRJ 1215, 55 Fruit Street, Boston, MA, 02114, USA
    J Orthop Sci 13:359-65. 2008
    ..We hypothesized that glenohumeral articular contact is not perfectly centered and is variable in normal subjects tested under physiological loading conditions...
  58. doi request reprint Estimation of in vivo ACL force changes in response to increased weightbearing
    Ali Hosseini
    Department of Orthopaedic Surgery, Bioengineering Laboratory, Massachusetts General Hospital Harvard Medical School, Boston, MA 02114, USA
    J Biomech Eng 133:051004. 2011
    ..Under full body weightbearing, the ACL may experience less than 250 N. These data may provide a valuable insight into the biomechanical behavior of the ACL under in vivo loading conditions...
  59. ncbi request reprint The measurement of the variation in the surface strains of Achilles tendon grafts using imaging techniques
    Louis E DeFrate
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Havard Medical School, 55 Fruit Street, GRJ 1215, Boston, MA 2114, USA
    J Biomech 39:399-405. 2006
    ....
  60. pmc Tibiofemoral cartilage contact biomechanics in patients after reconstruction of a ruptured anterior cruciate ligament
    Ali Hosseini
    Bioengineering Laboratory, Massachusetts General Hospital Harvard Medical School, Boston, MA 02114, USA
    J Orthop Res 30:1781-8. 2012
    ..Clinically, recovering anterior knee stability might be insufficient to prevent post-operative cartilage degeneration due to lack of restoration of in vivo cartilage contact biomechanics...
  61. ncbi request reprint The effects of medialization and anteromedialization of the tibial tubercle on patellofemoral mechanics and kinematics
    Arun J Ramappa
    Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Shapiro 2, 330 Brookline Avenue, Boston, MA 02215, USA
    Am J Sports Med 34:749-56. 2006
    ..Medialization and anteromedialization of the tibial tubercle are used to correct patellar subluxation in adults...
  62. ncbi request reprint In vivo tibiofemoral contact analysis using 3D MRI-based knee models
    Louis E DeFrate
    Bioengineering Laboratory, Harvard Medical School, Massachusetts General Hospital, 55 Fruit Street, GRJ 1215, Boston, MA 02114, USA
    J Biomech 37:1499-504. 2004
    ..These results suggest that using the bony geometry alone may not accurately represent the articular surfaces of the knee. Articular cartilage geometry may have to be used to accurately quantify tibiofemoral contact...
  63. doi request reprint Porous poly(vinyl alcohol)-hydrogel matrix-engineered biosynthetic cartilage
    David A Bichara
    Plastic Surgery Research Laboratory, Division of Plastic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
    Tissue Eng Part A 17:301-9. 2011
    ....
  64. ncbi request reprint In vivo elongation of the anterior cruciate ligament and posterior cruciate ligament during knee flexion
    Guoan Li
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
    Am J Sports Med 32:1415-20. 2004
    ..Most knowledge regarding cruciate ligament function is based on in vitro experiments...
  65. doi request reprint Relationship between three-dimensional geometry of the trochlear groove and in vivo patellar tracking during weight-bearing knee flexion
    Kartik M Varadarajan
    Bioengineering Laboratory, Orthopaedic Surgery, MGH Harvard Medical School, Boston, MA 02114, USA
    J Biomech Eng 132:061008. 2010
    ..However, patellar rotation in the coronal plane was weakly correlated with the trochlear geometry...
  66. pmc Tibiofemoral and patellofemoral kinematics after reconstruction of an isolated posterior cruciate ligament injury: in vivo analysis during lunge
    Thomas J Gill
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital Harvard Medical School, Boston, Massachusetts, USA
    Am J Sports Med 37:2377-85. 2009
    ..The actual in vivo tibiofemoral and patellofemoral kinematics of the posterior cruciate ligament (PCL)-reconstructed knee joint are unknown...
  67. pmc In vivo anterior cruciate ligament elongation in response to axial tibial loads
    Ali Hosseini
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital Harvard Medical School, 55 Fruit Street, GRJ 1215, Boston, MA 02114, USA
    J Orthop Sci 14:298-306. 2009
    ....
  68. ncbi request reprint Magnetic resonance imaging to assess knee cartilage repair tissue after microfracture of chondral defects
    Arun J Ramappa
    Beth Israel Deaconess Medical Center, Boston, Mass, USA
    J Knee Surg 20:228-34. 2007
    ..Magnetic resonance imaging using specialized sequences proved to be a satisfactory technique for evaluating repair tissue in full-thickness traumatic defects treated by microfracture...
  69. ncbi request reprint Healing potential of transplanted allogeneic chondrocytes of three different sources in lesions of the avascular zone of the meniscus: a pilot study
    Christian Weinand
    Laboratory for Musculoskeletal Tissue Engineering, Department of Orthopaedic Surgery, Massachusetts General Hospital, WACC 453, 15 Parkman Street, Boston, MA 02114, USA
    Arch Orthop Trauma Surg 126:599-605. 2006
    ..The purpose of this study was to demonstrate the healing ability of a tissue-engineered repair technique using allogenic chondrocytes from three different sources for the avascular zone of the meniscus...
  70. doi request reprint Implant-assisted meniscal repair in vivo using a chondrocyte-seeded flexible PLGA scaffold
    Jeong Joon Yoo
    Department of Orthopaedic Surgery, Laboratory for Musculoskeletal Tissue Engineering, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
    J Biomed Mater Res A 99:102-8. 2011
    ..We conclude the chondrocyte-seeded flexible PLGA implants induce healing of meniscal discs in nude mice. Culture conditions after seeding have no apparent effects on healing...
  71. ncbi request reprint The effect of length on the structural properties of an Achilles tendon graft as used in posterior cruciate ligament reconstruction
    Louis E DeFrate
    Bioengineering Laboratory, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, Boston, MA 02114, USA
    Am J Sports Med 32:993-7. 2004
    ..The clinical outcomes of posterior cruciate ligament reconstruction are varied. No previous studies have investigated the effect of graft length on the structural properties of the graft...
  72. pmc Morphology of the medial collateral ligament of the knee
    Fang Liu
    Bioengineering Laboratory, Orthopaedic Department, Massachusetts General Hospital, Harvard Medical School, 02114 Boston, USA
    J Orthop Surg Res 5:69. 2010
    ..abstract:..
  73. ncbi request reprint Tibial plateau fracture following anterior cruciate ligament reconstruction
    Kai Mithöfer
    Department of Orthopedic Surgery, Massachusetts General Hospital, Wang Ambulatory Care Center 525, 15 Parkman Street, Boston, MA 02114, USA
    Knee Surg Sports Traumatol Arthrosc 12:325-8. 2004
    ..Minimally invasive fixation of the fracture was effective in preserving knee stability without need for revision anterior cruciate ligament reconstruction...
  74. ncbi request reprint Supracondylar femoral fracture after arthroscopic reconstruction of the anterior cruciate ligament. A case report
    Kai Mithoefer
    Department of Orthopedic Surgery, Massachusetts General Hospital, 15 Parkman Street, Boston, MA 02114, USA
    J Bone Joint Surg Am 87:1591-6. 2005
  75. ncbi request reprint Biomechanical consequences of PCL deficiency in the knee under simulated muscle loads--an in vitro experimental study
    Guoan Li
    Orthopaedic Biomechanics Laboratory, Harvard Medical School, Boston, MA 02215, USA
    J Orthop Res 20:887-92. 2002
    ..By fully understanding the etiology of these changes, it may be possible to develop an optimal surgical treatment for PCL injury that is aimed at minimizing the long-term arthritic changes in the knee joint...
  76. ncbi request reprint Medial patellar ossification after patellar instability: a radiographic finding indicative of prior patella subluxation/dislocation
    Seth A Jerabek
    Harvard Combined Orthopaedic Surgery Residency Program, Boston, MA 02114, USA
    Skeletal Radiol 38:785-90. 2009
    ..To describe the correlation between medial patellar ossification and prior patella subluxation and/or dislocation...
  77. ncbi request reprint Arthroscopic treatment of the arthrofibrotic knee
    David H Kim
    Department of Orthopaedic Surgery, Brigham and Women s Hospital, Boston, Massachusetts 02115, USA
    Arthroscopy 20:187-94. 2004
    ..This technique is designed to allow the surgeon to systematically address the numerous causes of motion loss of the knee...
  78. ncbi request reprint Treatment of recalcitrant iliotibial band friction syndrome with open iliotibial band bursectomy: indications, technique, and clinical outcomes
    Sanaz Hariri
    Division of Sports Medicine, Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts 02114 2696, USA
    Am J Sports Med 37:1417-24. 2009
    ..Iliotibial band friction syndrome (ITBFS) is an overuse injury causing lateral knee pain. There is evidence that the pathological lesion is in fact an inflamed bursa underlying the iliotibial band (ITB) rather than an inflamed ITB itself...
  79. ncbi request reprint Risk to the lateral geniculate artery during arthroscopic lateral meniscal suture passage
    Neal C Chen
    Harvard Medical School, Boston, Massachusetts, USA
    Arthroscopy 23:642-6. 2007
    ..The purpose of this study was to evaluate the risk of lateral geniculate artery injury during suture passage through the lateral meniscus...
  80. ncbi request reprint Anatomical glenoid reconstruction for recurrent anterior glenohumeral instability with glenoid deficiency using an autogenous tricortical iliac crest bone graft
    Jon J P Warner
    Harvard Shoulder Service, Massachusetts General Hospital, Boston, USA
    Am J Sports Med 34:205-12. 2006
    ..Anterior shoulder instability associated with severe glenoid bone loss is rare, and little has been reported on this problem. Recent biomechanical and anatomical studies have suggested guidelines for bony reconstruction of the glenoid...
  81. ncbi request reprint Open repairs for the treatment of anterior shoulder instability
    Thomas J Gill
    Sports Medicine Service, Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
    Am J Sports Med 31:142-53. 2003
    ..By following these guidelines, the results of treatment of anterior instability of the shoulder can be optimized...
  82. ncbi request reprint Outcomes of microfracture for traumatic chondral defects of the knee: average 11-year follow-up
    J Richard Steadman
    Steadman Hawkins Sports Medicine Foundation, Vail, Colorado 81657, USA
    Arthroscopy 19:477-84. 2003
    ..In this study, we measured functional outcomes of patients treated arthroscopically with microfracture for full-thickness traumatic defects of the knee...
  83. ncbi request reprint Triceps tendon ruptures in professional football players
    Scott D Mair
    University of Kentucky Sports Medicine, Lexington, Kentucky, USA
    Am J Sports Med 32:431-4. 2004
    ..Distal rupture of the triceps tendon is a rare injury, and treatment guidelines are not well established...
  84. ncbi request reprint The effect of anterior cruciate ligament reconstruction on knee joint kinematics under simulated muscle loads
    Jae Doo Yoo
    Department of Orthopedic Surgery, Mokdong Hospital, Ewha University, Seoul, Korea
    Am J Sports Med 33:240-6. 2005
    ..Few studies have evaluated anterior cruciate ligament reconstruction under physiological loads...
  85. ncbi request reprint Can the impingement test predict outcome after arthroscopic subacromial decompression?
    Scott D Mair
    Steadman Hawkins Sports Medicine Foundation, Attn Clinical Research, 181 W Meadow Drive, Suite 1000, Vail, CO 81657, USA
    J Shoulder Elbow Surg 13:150-3. 2004
    ..Our evidence indicates that the impingement test can be used as a predictor of outcome for patients with impingement syndrome treated by arthroscopic subacromial decompression...
  86. ncbi request reprint Cell-based therapy for meniscal repair: a large animal study
    Giuseppe M Peretti
    Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02114, USA
    Am J Sports Med 32:146-58. 2004
    ..The avascular portion of the meniscus cartilage in the knee does not have the ability to repair spontaneously...
  87. ncbi request reprint Extensor carpi ulnaris tendon rupture in an ice hockey player: a case report
    Conrad Wang
    Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, USA
    Am J Sports Med 31:459-61. 2003
  88. ncbi request reprint Incidence and location of bone bruises after acute posterior cruciate ligament injury
    Scott D Mair
    University of Kentucky, Lexington, USA
    Am J Sports Med 32:1681-7. 2004
    ..In patients suffering from an anterior cruciate ligament injury, the incidence and location of bone bruises are well documented. This study reports data regarding bone bruises after acute posterior cruciate ligament injury...
  89. ncbi request reprint Relationship between throwing mechanics and elbow valgus in professional baseball pitchers
    Sherry L Werner
    Tulane Institute of Sports Medicine, New Orleans, LA 70118, USA
    J Shoulder Elbow Surg 11:151-5. 2002
    ..The parameters of pitching mechanics related to elbow valgus may be assessed and optimized, if necessary, in order to decrease the magnitude of elbow stress in pitching...
  90. ncbi request reprint Fractures and tendon injuries of the athletic shoulder
    Michael P Brunelli
    Orthopedic Surgery, MetroWest Medical Center, 115 Lincoln St, Framingham, MA 01701, USA
    Orthop Clin North Am 33:497-508, v. 2002
    ..In addition to standard treatment considerations, return to play time must also be decided. Decisions regarding definitive treatment may be modulated depending on an athlete's desire to return to his or her previous level of competition...
  91. ncbi request reprint The relative importance of acromial morphology and age with respect to rotator cuff pathology
    Thomas J Gill
    Department of Orthopedic Surgery, Massachusetts General Hospital, Boston 02114, USA
    J Shoulder Elbow Surg 11:327-30. 2002
    ..Age, acromial morphology, and gender all have an independent association with rotator cuff pathology...
  92. ncbi request reprint Tissue engineering for meniscus repair
    Samuel B Adams
    Division of Orthopedic Surgery, Duke University Medical Center, Durham, NC, USA
    J Knee Surg 18:25-30. 2005
    ..This article reviews current advances in the relatively new field of tissue engineering toward the development of a tissue-engineered meniscal repair technique...