Radiographic landmarks for tunnel positioning in posterior cruciate ligament reconstructionsAdam M Johannsen
Department of Biomedical Engineering, Steadman Philippon Research Institute, Vail, Colorado, USA
Am J Sports Med 41:35-42. 2013
..Quantitative guidelines reporting the location of the individual PCL bundle attachments would aid in intraoperative tunnel placement and postoperative assessment of a PCL reconstruction...
The management of injuries to the medial side of the kneeRobert F LaPrade
Steadman Philippon Research Institute, Vail, CO 81657, USA
J Orthop Sports Phys Ther 42:221-33. 2012
..A well-guided rehabilitation program can result in excellent functional outcomes in the majority of patients...
Prospective outcomes of young and middle-aged adults with medial compartment osteoarthritis treated with a proximal tibial opening wedge osteotomyRobert F LaPrade
TheSteadman Clinic, 181 West Meadow Dr, Ste 400, Vail, CO 81657, USA
Arthroscopy 28:354-64. 2012
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Surgical technique: development of an anatomic medial knee reconstructionRobert F LaPrade
Steadman Philippon Research Institute, The Steadman Clinic, 181 West Meadow Drive, Suite 400, Vail, CO 81657, USA
Clin Orthop Relat Res 470:806-14. 2012
..A number of reconstructive techniques have been advocated including one we describe here. However, whether these reconstructions restore function and stability is unclear...
Outcomes of an anatomic posterolateral knee reconstruction: surgical techniqueRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota, USA
J Bone Joint Surg Am 93:10-20. 2011
..The clinical stability and functional outcomes following anatomic reconstructions in patients with a chronic posterolateral knee injury have not been determined, to our knowledge...
A prospective outcomes study of meniscal allograft transplantationRobert F LaPrade
Biomechanics Department, Steadman Philippon Research Institute, The Steadman Clinic, 181 W Meadow Drive, Suite 400, Vail, CO 81657, USA
Am J Sports Med 38:1804-12. 2010
..The role of meniscal transplantation in reducing pain and improving function in patients with prior ipsilateral meniscectomy is still being defined...
Fibular collateral ligament anatomical reconstructions: a prospective outcomes studyRobert F LaPrade
Biomechanics Research Department, Steadman Philippon Research Institute, Suite 400, Vail, Colorado 81657, USA
Am J Sports Med 38:2005-11. 2010
..After the development and biomechanical validation of an anatomical fibular collateral ligament reconstruction using a semitendinosus graft, this technique has subsequently been applied clinically...
An in vivo injury model of posterolateral knee instabilityRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue South, R200, Minneapolis, MN 55454, USA
Am J Sports Med 34:1313-21. 2006
..To best evaluate its natural history and the effects of interventional treatments, it is important to develop an in vivo model in an attempt to validate human cadaveric and clinical observational studies...
Biomechanical evaluation of a medial knee reconstruction with comparison of bioabsorbable interference screw constructs and optimization with a cortical buttonCoen A Wijdicks
Biomechanics Research Department, Steadman Philippon Reasearch Institute, 181 West Meadow Drive, Vail, CO 81657, USA
Knee Surg Sports Traumatol Arthrosc 18:1532-41. 2010
..In addition, a hybrid fixation with a cortical button which lends additional cyclic stiffness to its fixation would be advisable for use in suboptimal fixation cases...
An analysis of an anatomical posterolateral knee reconstruction: an in vitro biomechanical study and development of a surgical techniqueRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota, USA
Am J Sports Med 32:1405-14. 2004
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Arthroscopically pertinent landmarks for tunnel positioning in single-bundle and double-bundle anterior cruciate ligament reconstructionsConnor G Ziegler
Division of Sports Medicine, Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, USA
Am J Sports Med 39:743-52. 2011
..Quantification of the overall anterior cruciate ligament (ACL) and anteromedial (AM) and posterolateral (PL) bundle centers in respect to arthroscopically pertinent bony and soft tissue landmarks has not been thoroughly assessed...
Injuries to the medial collateral ligament and associated medial structures of the kneeCoen A Wijdicks
Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN 55454, USA
J Bone Joint Surg Am 92:1266-80. 2010
..If operative treatment is required, an anatomic repair or reconstruction is recommended...
The anatomy of the medial part of the kneeRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue, Minneapolis, MN 55454, USA
J Bone Joint Surg Am 89:2000-10. 2007
..The purpose of the present study was to verify the qualitative anatomy of medial knee structures and to perform a quantitative evaluation of their anatomic attachment sites as well as their relationships to pertinent osseous landmarks...
Radiographic landmarks for tunnel positioning in double-bundle ACL reconstructionsSean D Pietrini
Orthopaedic Biomechanics Lab, Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN, USA
Knee Surg Sports Traumatol Arthrosc 19:792-800. 2011
..It was hypothesized that the radiographic positions of the AM and PL bundles could be defined in relation to anatomic landmarks and radiographic reference lines...
A comparative analysis of 7.0-Tesla magnetic resonance imaging and histology measurements of knee articular cartilage in a canine posterolateral knee injury model: a preliminary analysisScott R Pepin
University of Minnesota Orthopaedic Biomechanics Laboratory, Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue South, Minneapolis, MN 55454, USA
Am J Sports Med 37:119S-24S. 2009
..There has recently been increased interest in the use of 7.0-T magnetic resonance imaging for evaluating articular cartilage degeneration and quantifying the progression of osteoarthritis...
Arthroscopically pertinent anatomy of the anterolateral and posteromedial bundles of the posterior cruciate ligamentColin J Anderson
Department of Biomedical Engineering, Steadman Philippon Research Institute, Vail, CO, USA
J Bone Joint Surg Am 94:1936-45. 2012
..The purpose of the present study was to describe the attachments of the anterolateral and posteromedial bundles of the PCL relative to relevant landmarks to assist with arthroscopic anatomic PCL reconstructions...
Kinematic impact of anteromedial and posterolateral bundle graft fixation angles on double-bundle anterior cruciate ligament reconstructionsColin J Anderson
Division of Sports Medicine, Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN, USA
Am J Sports Med 38:1575-83. 2010
..Despite the recent popularity of this procedure, no consensus exists on an optimal set of AM and PL graft fixation angles...
In vivo tibiofemoral kinematics during 4 functional tasks of increasing demand using biplane fluoroscopyCasey A Myers
Biomechanics Research Laboratory, Steadman Philippon Research Institute, Vail, Colorado, USA
Am J Sports Med 40:170-8. 2012
..However, it is unknown how closely the ACL and other passive and active structures of the knee constrain translations and rotations across a set of functional activities of increasing demand on the quadriceps...
Medial knee injury: Part 2, load sharing between the posterior oblique ligament and superficial medial collateral ligamentCoen A Wijdicks
Orthopaedic Biomechanics Laboratory, Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota 55454, USA
Am J Sports Med 37:1771-6. 2009
..There is limited information regarding directly measured load responses of the posterior oblique and superficial medial collateral ligaments in isolated and multiple medial knee ligament injury states...
Current concepts in the recognition and treatment of posterolateral corner injuries of the kneeJason B Lunden
University Orthopaedic Therapy Center, R102, 2450 Riverside Ave, Minneapolis, MN 55454, USA
J Orthop Sports Phys Ther 40:502-16. 2010
..Furthermore, a review of current surgical management and postoperative guidelines is provided. LEVEL OF EVIDENCE: Diagnosis/therapy, level 5...
An in vitro analysis of an anatomical medial knee reconstructionBenjamin R Coobs
Orthopaedic Biomechanics Laboratory, Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota 55454, USA
Am J Sports Med 38:339-47. 2010
..An anatomical medial knee reconstruction has not been described in the literature...
Anatomic posterolateral knee reconstructions require a popliteofibular ligament reconstruction through a tibial tunnelMark McCarthy
Orthopaedic Biomechanics Laboratory, Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN, USA
Am J Sports Med 38:1674-81. 2010
..No biomechanical study has been performed analyzing the merits of reconstructing the popliteofibular ligament (PFL) through a tibial tunnel with an anatomic reconstruction of the posterolateral knee...
Force measurements on the posterior oblique ligament and superficial medial collateral ligament proximal and distal divisions to applied loadsChad J Griffith
Division of Sports Medicine, Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN 55454, USA
Am J Sports Med 37:140-8. 2009
..There is limited information regarding load responses of the posterior oblique and superficial medial collateral ligaments to applied loads...
Outcomes of untreated posterolateral knee injuries: an in vivo canine modelChad J Griffith
Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN, USA
Knee Surg Sports Traumatol Arthrosc 19:1192-7. 2011
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The accuracy of measuring glenohumeral motion with a surface humeral cuffDavid Hamming
Department of Orthopedic Surgery, University of Minnesota, Minneapolis, MN 55455, USA
J Biomech 45:1161-8. 2012
..Conversely, there is a large amount of average error for axial rotations when using a humeral cuff to measure glenohumeral internal/external rotation as the primary motion...
Analysis of the static function of the popliteus tendon and evaluation of an anatomic reconstruction: the "fifth ligament" of the kneeRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue South, R102, Minneapolis, MN 55454, USA
Am J Sports Med 38:543-9. 2010
..Evaluation of its static role as the "fifth ligament" of the knee and a subsequent analysis of a popliteus tendon reconstruction has not been performed...
The effect of a proximal tibial medial opening wedge osteotomy on posterolateral knee instability: a biomechanical studyRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue, R200, Minneapolis, MN 55454, USA
Am J Sports Med 36:956-60. 2008
..Increased stability of posterolateral corner knee injuries has been observed clinically after proximal tibial medial opening wedge osteotomies...
Comparison of scapular local coordinate systemsPaula M Ludewig
Program in Physical Therapy, Department of Physical Medicine and Rehabilitation, The University of Minnesota, 420 Delaware Street SE, Minneapolis, MN 55455, USA
Clin Biomech (Bristol, Avon) 25:415-21. 2010
..Additionally we compared these standards to an alternative method and a glenoid based description...
Biomechanical analysis of an isolated fibular (lateral) collateral ligament reconstruction using an autogenous semitendinosus graftBenjamin R Coobs
Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN 55454, USA
Am J Sports Med 35:1521-7. 2007
..Anatomic reconstructions of the fibular collateral ligament have not been biomechanically validated...
Accuracy of a contour-based biplane fluoroscopy technique for tracking knee joint kinematics of different speedsJ Erik Giphart
Department of Biomedical Engineering, Steadman Philippon Research Institute, 181 West Meadow Drive, Suite 1000, Vail, Colorado 81657, USA
J Biomech 45:2935-8. 2012
..No other differences were found. The contour-based technique demonstrated sub-millimeter and sub-degree accuracy, indicating it is a highly accurate tool for measuring complex three dimensional knee movements of any intensity...
Recruitment and activity of the pectineus and piriformis muscles during hip rehabilitation exercises: an electromyography studyJ Erik Giphart
Department of Biomedical Engineering, Steadman Philippon Research Institute, Vail, Colorado, USA
Am J Sports Med 40:1654-63. 2012
..The recruitment and activations of these muscles during hip rehabilitation exercises have not been detailed...
Tibial tunnel aperture irregularity after drilling with 5 reamer designs: a qualitative micro-computed tomography analysisAndrew G Geeslin
Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, USA
Am J Sports Med 39:825-31. 2011
..There is limited information in the literature on comparisons of antegrade versus retrograde reaming techniques and the effect on the creation of anterior cruciate ligament (ACL) tibial tunnel entry and exit apertures...
Three-dimensional in vivo kinematics of an osteoarthritic shoulder before and after total shoulder arthroplastyJonathan P Braman
Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue, R200, Minneapolis, MN 55454, USA
Knee Surg Sports Traumatol Arthrosc 18:1774-8. 2010
..Pre-operative shoulder motion differed compared to normal controls, while post-operatively her glenohumeral-to-scapulothoracic motion ratios were restored to near normal ratios...
Medial knee injury: Part 1, static function of the individual components of the main medial knee structuresChad J Griffith
Division of Sports Medicine, Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota 55454, USA
Am J Sports Med 37:1762-70. 2009
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Assessment of a goat model of posterolateral knee instabilityErik J Olson
Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, 1988 Fitch Avenue, St Paul, Minnesota 55108, USA
J Orthop Res 26:651-9. 2008
..Future studies will determine if further manipulation of the model results in sufficient morphological changes to allow its use in the assessment of intervention strategies...
Anatomy and biomechanics of the posterolateral aspect of the canine kneeChad J Griffith
Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue, R200, Minneapolis, Minnesota 55454, USA
J Orthop Res 25:1231-42. 2007
..The canine model will also prove valuable in the validation of reconstruction techniques and studying the potential development of medial compartment osteoarthritis following posterolateral knee injuries...
A comparison between a retrograde interference screw, suture button, and combined fixation on the tibial side in an all-inside anterior cruciate ligament reconstruction: a biomechanical study in a porcine modelMichael P Walsh
Division of Sports Medicine, Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN 55454, USA
Am J Sports Med 37:160-7. 2009
..Effective soft tissue graft fixation to the tibial tunnel in all-inside anterior cruciate ligament reconstructions has been reported to be a problem and may lead to retrograde pullout at ultimate load testing...
Radiographic identification of the primary medial knee structuresCoen A Wijdicks
Orthopaedic Biomechanics Laboratory, Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue South, Minneapolis, MN 55454, USA
J Bone Joint Surg Am 91:521-9. 2009
..If identified, they could assist in the preoperative evaluation of structure location and allow for postoperative assessment of reconstruction tunnel placement...
Outcomes of an anatomic posterolateral knee reconstructionRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue, R200, Minneapolis, MN 55454, USA
J Bone Joint Surg Am 92:16-22. 2010
..The clinical stability and functional outcomes following anatomic reconstructions in patients with a chronic posterolateral knee injury have not been determined, to our knowledge...
Anatomic reconstruction of chronic symptomatic anterolateral proximal tibiofibular joint instabilityPatrick K Horst
Orthopaedic Biomechanics Laboratory, Sports Medicine and Shoulder Surgery, Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue South, Minneapolis, MN 55454, USA
Knee Surg Sports Traumatol Arthrosc 18:1452-5. 2010
..Surgical treatment has not been well defined. A report of two patients successfully treated with an anatomic reconstruction of the posterior aspect of the proximal tibiofibular joint is presented...
Structural properties of the primary medial knee ligamentsCoen A Wijdicks
Steadman Philippon Research Institute, 181 West Meadow Drive, Vail, CO 81657, USA
Am J Sports Med 38:1638-46. 2010
..To define the necessary strength requirements for an anatomical medial knee reconstruction, knowledge of these structural properties is necessary...
Location of bone bruises and other osseous injuries associated with acute grade III isolated and combined posterolateral knee injuriesAndrew G Geeslin
University of Minnesota, Department of Orthopaedic Surgery, Minneapolis, USA
Am J Sports Med 38:2502-8. 2010
..These have not yet been described in detail for posterolateral corner injuries...
Correlation of valgus stress radiographs with medial knee ligament injuries: an in vitro biomechanical studyRobert F LaPrade
Orthopaedic Biomechanics Laboratory, Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota 55454, USA
Am J Sports Med 38:330-8. 2010
..The purpose of this study was to develop clinical guidelines for diagnosing medial knee injuries using valgus stress radiography...
Shoulder kinematics during the wall push-up plus exerciseJason B Lunden
Minnesota Sports Medicine, University Orthopaedic Therapy Center, Minneapolis, MN 55455, USA
J Shoulder Elbow Surg 19:216-23. 2010
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Force measurements on the fibular collateral ligament, popliteofibular ligament, and popliteus tendon to applied loadsRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota 55454, USA
Am J Sports Med 32:1695-701. 2004
..This information is needed to determine which structures should be reconstructed and also the relative strengths needed for reconstruction grafts...
Radiographic identification of the primary posterolateral knee structuresSean D Pietrini
Division of Sports Medicine and the Orthopaedic Biomechanics Laboratory, Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota 55454, USA
Am J Sports Med 37:542-51. 2009
..Descriptions of radiographic landmarks for these attachment sites would assist in the intraoperative identification of their locations and also allow for postoperative assessment of the placement of reconstruction tunnels...
Proximal tibial opening wedge osteotomy as the initial treatment for chronic posterolateral corner deficiency in the varus knee: a prospective clinical studyAndrew Arthur
Sports Medicine and Shoulder Division, Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue, R200, Minneapolis, MN 55454, USA
Am J Sports Med 35:1844-50. 2007
..In patients with chronic posterolateral knee injuries, failure to correct genu varus alignment will often result in failure of the posterolateral knee repair or reconstruction...
The influence of the integrity of posterolateral structures on tibiofemoral orientation when an anterior cruciate ligament graft is tensionedFred A Wentorf
Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota 55455, USA
Am J Sports Med 30:796-9. 2002
..Clinical Relevance: Injured posterolateral structures should be repaired before fixation of anterior cruciate ligament grafts...
Refrigerated osteoarticular allografts to treat articular cartilage defects of the femoral condyles. A prospective outcomes studyRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue, R 200, Minneapolis, MN 55454, USA
J Bone Joint Surg Am 91:805-11. 2009
..The purpose of this study was to examine the clinical and functional outcomes of patients receiving refrigerated osteoarticular allografts between fifteen and twenty-eight days after procurement...
Outcomes of treatment of acute grade-III isolated and combined posterolateral knee injuries: a prospective case series and surgical techniqueAndrew G Geeslin
Department of Orthopaedic Surgery, Michigan State University Kalamazoo Center for Medical Studies, 1000 Oakland Drive, Kalamazoo, MI 49008, USA
J Bone Joint Surg Am 93:1672-83. 2011
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Motion of the shoulder complex during multiplanar humeral elevationPaula M Ludewig
Orthopaedic Biomechanics Laboratory, University of Minnesota, Minneapolis, Minnesota, USA
J Bone Joint Surg Am 91:378-89. 2009
..We aimed to describe and compare dynamic three-dimensional motion of the shoulder complex during raising and lowering the arm across three distinct elevation planes (flexion, scapular plane abduction, and coronal plane abduction)...
The role of the oblique popliteal ligament and other structures in preventing knee hyperextensionPatrick M Morgan
Department of Orthopaedic Surgery, University of Minnesota Medical School, 2450 Riverside Avenue, R200, Minneapolis, MN 55454, USA
Am J Sports Med 38:550-7. 2010
..Ligament restraints to terminal knee extension are poorly understood...
Sartorial branch of the saphenous nerve in relation to a medial knee ligament repair or reconstructionCoen A Wijdicks
Orthopaedic Biomechanics Laboratory, Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue South, R200, Minneapolis, MN 55454, USA
Knee Surg Sports Traumatol Arthrosc 18:1105-9. 2010
..Familiarity with these anatomic landmarks and associated distances from the sartorial branch of the saphenous nerve, we can assess the potential area of vulnerability to this nerve branch intraoperatively...
The 1:1 versus the 2:2 tunnel-drilling technique: optimization of fixation strength and stiffness in an all-inside double-bundle anterior cruciate ligament reconstruction--a biomechanical studyMichael P Walsh
Orthopaedic Biomechanics Laboratory, Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota, USA
Am J Sports Med 37:1539-47. 2009
..The sequence of reaming and drilling the tibial tunnels for double-bundle ACL reconstructions has not been defined...
Longitudinal evaluation of cartilage repair tissue after microfracture using T2-mapping: a case report with arthroscopic and MRI correlationJosé M Mejía Oneto
Orthopaedic Biomechanics Laboratory, Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue South, Minneapolis, MN 55454, USA
Knee Surg Sports Traumatol Arthrosc 18:1545-50. 2010
..The study provides evidence for the clinical utility of T2 relaxation maps for the postoperative assessment of microfractures and raises the potential for T2 mapping MRI as a tool to evaluate these repair procedures...
A prospective magnetic resonance imaging study of the incidence of posterolateral and multiple ligament injuries in acute knee injuries presenting with a hemarthrosisRobert F LaPrade
Sports Medicine and Shoulder Divisions, Department of Orthopaedic Surgery, University of Minnesota, Minneapolis 55454, USA
Arthroscopy 23:1341-7. 2007
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The external rotation recurvatum test revisited: reevaluation of the sagittal plane tibiofemoral relationshipRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Ave, R200, Minneapolis, MN 55454, USA
Am J Sports Med 36:709-12. 2008
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Role of the acetabular labrum and the iliofemoral ligament in hip stability: an in vitro biplane fluoroscopy studyCasey A Myers
Biomechanics Research Department, Steadman Philippon Research Institute, Vail, Colorado, USA
Am J Sports Med 39:85S-91S. 2011
..Recent biomechanical reports have described the function of the acetabular labrum and iliofemoral ligament in providing hip stability, but the relative stability provided by each structure has not been well described...
Patellar height and tibial slope after opening-wedge proximal tibial osteotomy: a prospective studyRobert F LaPrade
Division of Sports Medicine, Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue South, R200, Minneapolis, MN 55454, USA
Am J Sports Med 38:160-70. 2010
..Although a decrease in patellar height has been reported for closing-wedge proximal tibial osteotomies, it has not been widely verified among opening-wedge procedures...
Isolated and combined grade-III posterior cruciate ligament tears treated with double-bundle reconstruction with use of endoscopically placed femoral tunnels and grafts: operative technique and clinical outcomesStanislav I Spiridonov
Department of Orthopaedic Surgery, University of Minnesota, 2515 South 7th Street, Suite R 200, Minneapolis, MN 55454, USA
J Bone Joint Surg Am 93:1773-80. 2011
..Additional refinements in surgical and rehabilitation techniques are necessary for improvement of both subjective and objective outcomes...
Comparison of glenohumeral motion using different rotation sequencesVandana Phadke
Department of Physical Medicine and Rehabilitation, The University of Minnesota, Program in Physical Therapy, Mayo Mail Code 388, 420 Delaware Street, Minneapolis, MN 55455, USA
J Biomech 44:700-5. 2011
..We recommend that this alternate sequence (XZ'Y″) should be considered for describing glenohumeral motion...
Comparative kinematic evaluation of all-inside single-bundle and double-bundle anterior cruciate ligament reconstruction: a biomechanical studyAndrew G Tsai
Division of Sports Medicine and the Orthopaedic Biomechanics Laboratory, Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota, USA
Am J Sports Med 38:263-72. 2010
..The efficacy of single-bundle versus double-bundle ACL reconstruction in improving knee stability has been widely discussed. The biomechanics of all-inside double-bundle ACL reconstructions have not been evaluated...
Qualitative and quantitative anatomic analysis of the posterior root attachments of the medial and lateral menisciAdam M Johannsen
Department of Biomedical Engineering, Steadman Philippon Research Institute, Vail, CO 81657, USA
Am J Sports Med 40:2342-7. 2012
..Although several studies have been performed to evaluate surgical techniques, there have been few studies on the quantitative arthroscopically pertinent anatomy of the posterior meniscal root attachments...
Histologic and immunohistochemical characteristics of failed articular cartilage resurfacing procedures for osteochondritis of the knee: a case seriesRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Ave, R200, Minneapolis, MN 55454, USA
Am J Sports Med 36:360-8. 2008
..The histologic appearance of the repair tissue after articular cartilage resurfacing procedures in humans is not well documented...
Mechanical properties of the posterolateral structures of the kneeRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue South, R200, Minneapolis, MN 55454, USA
Am J Sports Med 33:1386-91. 2005
..To define the necessary strength requirements for a posterolateral knee reconstruction, these properties for the main individual structures of the posterolateral knee need to be defined...
The anatomy of the posterior aspect of the knee. An anatomic studyRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue, R200, Minneapolis, MN 55454, USA
J Bone Joint Surg Am 89:758-64. 2007
..The purpose of the present study was to provide a detailed description of, and to propose a standard nomenclature for, the anatomy of the posterior aspect of the knee...
Popliteomeniscal fascicle tears causing symptomatic lateral compartment knee pain: diagnosis by the figure-4 test and treatment by open repairRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue, R200, Minneapolis, MN 55454, USA
Am J Sports Med 33:1231-6. 2005
..The popliteomeniscal fascicles have been demonstrated to be important for lateral meniscus stability, and it has been reported that tears can lead to painful symptoms...
Surgical treatment of snapping medial hamstring tendonsAndrew G Geeslin
Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN, USA
Knee Surg Sports Traumatol Arthrosc 18:1294-6. 2010
..All three patients had normal return of function without pain or further snapping or catching events at a minimum of 2 years postoperatively...
In vivo assessment of scapulohumeral rhythm during unconstrained overhead reaching in asymptomatic subjectsJonathan P Braman
Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN 55454, USA
J Shoulder Elbow Surg 18:960-7. 2009
..We sought to determine the exact ratio between these two motion components in order to better understand overall shoulder kinematics in asymptomatic individuals in unconstrained reaching...
Snapping biceps femoris tendon treated with an anatomic repairAndrew S Bernhardson
Department of Orthopaedic Surgery, University of Minnesota Biomechanics Laboratory, University of Minnesota, 2450 Riverside Avenue South, R200, Minneapolis, MN 55454, USA
Knee Surg Sports Traumatol Arthrosc 18:1110-2. 2010
..All patients had normal return of function without pain or further subluxation events...
Intra-articular lateral femoral condyle fracture following an ACL revision reconstructionBenjamin R Coobs
Department of Orthopaedic Surgery, University of Minnesota, R 200, Minneapolis, MN 55454, USA
Knee Surg Sports Traumatol Arthrosc 18:1290-3. 2010
..The patient was treated with an open reduction and internal fixation and recovered well...
Not your father's (or mother's) meniscus surgeryRobert F LaPrade
University of Minnesota, USA
Minn Med 90:41-3. 2007
..This article discusses 2 techniques for treating a torn meniscus: repair and transplantation. It also describes those patients who are best suited for each procedure and the challenges and outcomes associated with them...
Assessment of healing of grade III posterolateral corner injuries: an in vivo modelRobert F LaPrade
Sports Medicine and Shoulder Divisions, Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue, R200 Minneapolis, MN 55454, USA
J Orthop Res 22:970-5. 2004
..This initial study of healing and knee stability after PLC injuries in rabbits supports the further study of in vivo animal models for evaluation of posterolateral knee injuries...
Kinematic evaluation of the modified Weaver-Dunn acromioclavicular joint reconstructionRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN 55454, USA
Am J Sports Med 36:2216-21. 2008
..Few reconstructive methods to treat displaced acromioclavicular separations have been evaluated using kinematic data...
The posterolateral attachments of the knee: a qualitative and quantitative morphologic analysis of the fibular collateral ligament, popliteus tendon, popliteofibular ligament, and lateral gastrocnemius tendonRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota 55454, USA
Am J Sports Med 31:854-60. 2003
..CONCLUSIONS: These structures had a consistent attachment pattern. This information will prove useful in the study of anatomic repair and reconstruction of the posterolateral structures of the knee...
Donor-site morbidity after osteochondral autograft transfer proceduresRobert F LaPrade
Sports Medicine Division, Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota 55454, USA
Arthroscopy 20:e69-73. 2004
..When performing an osteochondral autograft transfer, the benefits provided at the recipient site must be weighed against the possible donor-site morbidity that may result...
Out of the ring and into a sling: acute latissimus dorsi avulsion in a professional wrestler: a case report and review of the literatureOnur Hapa
Department of Orthopaedic Surgery, Division of Sports Medicine, Biomechanics Laboratory, University of Minnesota, 2450 Riverside Avenue South, R200, Minneapolis, MN 55454, USA
Knee Surg Sports Traumatol Arthrosc 16:1146-50. 2008
..Our new surgical approach is an alternative treatment for highly competitive, muscular athletes, while taking the associated nerves and cosmetic appearance into consideration...
The reproducibility and repeatability of varus stress radiographs in the assessment of isolated fibular collateral ligament and grade-III posterolateral knee injuries. An in vitro biomechanical studyRobert F LaPrade
Sports Medicine and Shoulder Divisions, Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN 55454, USA
J Bone Joint Surg Am 90:2069-76. 2008
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Intrasubstance stretch tear of a preadolescent patellar tendon with reconstruction using autogenous hamstringsRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue, R200, Minneapolis, MN 55454, USA
Am J Sports Med 36:1410-3. 2008
Posterior root avulsion fracture of the medial meniscus in an adolescent female patient with surgical reattachmentChad J Griffith
Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Ave, Minneapolis, MN 55454, USA
Am J Sports Med 36:789-92. 2008
Arthroscopic posteromedial capsular release for knee flexion contracturesRobert F LaPrade
Department of Orthopaedic Surgery, Sports Medicine Division, University of Minnesota, 2450 Riverside Avenue, R200, Minneapolis, MN 55454, USA
Knee Surg Sports Traumatol Arthrosc 16:469-75. 2008
..We believe that arthroscopic posteromedial capsular releases are an effective means to address symptomatic knee extension deficits...
Anatomic reconstruction of the posterolateral aspect of the kneeRobert F LaPrade
Department of Orthopedic Surgery, University of Minnesota, Minneapolis, MN 55454, USA
J Knee Surg 18:167-71. 2005
The effect of injury to the posterolateral structures of the knee on force in a posterior cruciate ligament graft: a biomechanical studyRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota 55455, USA
Am J Sports Med 30:233-8. 2002
....
Assessment of differences between the modified Cincinnati and International Knee Documentation Committee patient outcome scores: a prospective studyJulie Agel
Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN 55454, USA
Am J Sports Med 37:2151-7. 2009
....
Kissing cartilage lesions of the knee caused by a bioabsorbable meniscal repair device: a case reportRobert F LaPrade
Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota 55454, USA
Am J Sports Med 32:1751-4. 2004
Common peroneal nerve neuropraxia after arthroscopic inside-out lateral meniscus repairAnthony W Anderson
Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue South, Suite R200, Minneapolis, MN 55454, USA
J Knee Surg 22:27-9. 2009
..In addition to describing return of function after late exploration, we discuss the management and prevention of this complication...
The anatomy of the posterolateral aspect of the rabbit kneeJoshua A Crum
Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN 55455, USA
J Orthop Res 21:723-9. 2003
..This knowledge of the rabbit's posterolateral knee anatomy is important to understand for biomechanical and surgical studies which utilize the rabbit knee as a model for human posterolateral knee injuries...
Intraobserver and interobserver reliability of the kneeling technique of stress radiography for the evaluation of posterior knee laxityTodd Jackman
Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Avenue, R200, Minneapolis, MN 55454, USA
Am J Sports Med 36:1571-6. 2008
..Stress radiography provides an objective tool to measure posterior knee instability. Intraobserver and interobserver reliability has been reported for the Telos device, but it has not been studied using the kneeling technique...
Posterior cruciate ligament: current conceptsMark D Miller
Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia, USA
Instr Course Lect 51:347-51. 2002