Christopher S Ahmad

Summary

Affiliation: Columbia University
Country: USA

Publications

  1. doi request reprint Public perceptions of Tommy John surgery
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, NY 10032, USA
    Phys Sportsmed 40:64-72. 2012
  2. pmc Elbow medial collateral ligament injuries
    William N Levine
    Department of Orthopaedic Surgery, Center for Shoulder, Elbow and Sports Medicine, Columbia University Medical Center, 622 West 168th Street, PH 11th Floor, New York, NY, 10032, USA
    Curr Rev Musculoskelet Med 1:197-204. 2008
  3. doi request reprint The moving patellar apprehension test for lateral patellar instability
    Christopher S Ahmad
    Department of Orthopaedic Surgery, Center for Shoulder, Elbow, and Sports Medicine, New York, NY 10032, USA
    Am J Sports Med 37:791-6. 2009
  4. ncbi request reprint Valgus extension overload syndrome and stress injury of the olecranon
    Christopher S Ahmad
    Department of Orthopaedic Surgery, College of Physicians and Surgeons of Columbia University, 622 West 168th Street, PH 1132, 11th Floor, New York, NY 10032, USA
    Clin Sports Med 23:665-76, x. 2004
  5. ncbi request reprint Elbow medial ulnar collateral ligament insufficiency alters posteromedial olecranon contact
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, New York, New York 10032, USA
    Am J Sports Med 32:1607-12. 2004
  6. doi request reprint Biomechanical performance of rotator cuff repairs with humeral rotation: a new rotator cuff repair failure model
    Christopher S Ahmad
    New York Orthopaedic Hospital, Department of Orthopaedic Surgery, 622 West 168th Street, PH 11th Floor, New York, NY 10032, USA
    Am J Sports Med 36:888-92. 2008
  7. doi request reprint Rotator cuff repair fluid extravasation characteristics are influenced by repair technique
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, New York, NY 10032, USA
    J Shoulder Elbow Surg 18:976-81. 2009
  8. ncbi request reprint Tendon-bone interface motion in transosseous suture and suture anchor rotator cuff repair techniques
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, 622 West 168th Street, PH 11th Floor, New York, New York 10032, USA
    Am J Sports Med 33:1667-71. 2005
  9. ncbi request reprint Effect of gender and maturity on quadriceps-to-hamstring strength ratio and anterior cruciate ligament laxity
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, 622 West 168th Street, PH 11th Floor, New York, NY 10032, USA
    Am J Sports Med 34:370-4. 2006
  10. ncbi request reprint Factors affecting dropped biceps deformity after tenotomy of the long head of the biceps tendon
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, New York, New York, USA
    Arthroscopy 23:537-41. 2007

Collaborators

Detail Information

Publications89

  1. doi request reprint Public perceptions of Tommy John surgery
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, NY 10032, USA
    Phys Sportsmed 40:64-72. 2012
    ..Reconstruction of the elbow ulnar collateral ligament, known as Tommy John surgery, is being performed with increasing frequency...
  2. pmc Elbow medial collateral ligament injuries
    William N Levine
    Department of Orthopaedic Surgery, Center for Shoulder, Elbow and Sports Medicine, Columbia University Medical Center, 622 West 168th Street, PH 11th Floor, New York, NY, 10032, USA
    Curr Rev Musculoskelet Med 1:197-204. 2008
    ..This review describes MCL injury pathophysiology, patient evaluation, reconstruction indications/contraindications, and current and evolving surgical techniques...
  3. doi request reprint The moving patellar apprehension test for lateral patellar instability
    Christopher S Ahmad
    Department of Orthopaedic Surgery, Center for Shoulder, Elbow, and Sports Medicine, New York, NY 10032, USA
    Am J Sports Med 37:791-6. 2009
    ..Physical examination maneuvers for patellar instability are often inaccurate...
  4. ncbi request reprint Valgus extension overload syndrome and stress injury of the olecranon
    Christopher S Ahmad
    Department of Orthopaedic Surgery, College of Physicians and Surgeons of Columbia University, 622 West 168th Street, PH 1132, 11th Floor, New York, NY 10032, USA
    Clin Sports Med 23:665-76, x. 2004
    ..For stress fractures that fail nonoperative management, treatment with internal fixation provides good results...
  5. ncbi request reprint Elbow medial ulnar collateral ligament insufficiency alters posteromedial olecranon contact
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, New York, New York 10032, USA
    Am J Sports Med 32:1607-12. 2004
    ..The effect of elbow medial ulnar collateral ligament injury on posteromedial compartment contact is unknown...
  6. doi request reprint Biomechanical performance of rotator cuff repairs with humeral rotation: a new rotator cuff repair failure model
    Christopher S Ahmad
    New York Orthopaedic Hospital, Department of Orthopaedic Surgery, 622 West 168th Street, PH 11th Floor, New York, NY 10032, USA
    Am J Sports Med 36:888-92. 2008
    ..Traditional biomechanical evaluations of rotator cuff repair techniques employ cyclic loading of the supraspinatus tendon in an isolated medial direction...
  7. doi request reprint Rotator cuff repair fluid extravasation characteristics are influenced by repair technique
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, New York, NY 10032, USA
    J Shoulder Elbow Surg 18:976-81. 2009
    ..This study evaluates rotator cuff repair fluid extravasation characteristics for different rotator cuff repair techniques...
  8. ncbi request reprint Tendon-bone interface motion in transosseous suture and suture anchor rotator cuff repair techniques
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, 622 West 168th Street, PH 11th Floor, New York, New York 10032, USA
    Am J Sports Med 33:1667-71. 2005
    ....
  9. ncbi request reprint Effect of gender and maturity on quadriceps-to-hamstring strength ratio and anterior cruciate ligament laxity
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, 622 West 168th Street, PH 11th Floor, New York, NY 10032, USA
    Am J Sports Med 34:370-4. 2006
    ..Exercise programs have been introduced to reduce the ACL injury risk in female athletes. The most effective age at which to start these programs is not known...
  10. ncbi request reprint Factors affecting dropped biceps deformity after tenotomy of the long head of the biceps tendon
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, New York, New York, USA
    Arthroscopy 23:537-41. 2007
    ..This study evaluates the morphology of the proximal LHBT and the force required to cause the biceps to drop distally after tenotomy...
  11. ncbi request reprint Arthroscopic biceps tenodesis
    Christopher S Ahmad
    Center for Shoulder, Elbow and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, 622 West 168th Street, PH 11th Floor, New York, NY, USA
    Orthop Clin North Am 34:499-506. 2003
    ..With our newer techniques and better understanding of proximal biceps tendon pathology, the indications for tenodesis are evolving, and longer-term follow-up is required to fully evaluate the outcome of these procedures...
  12. doi request reprint Evaluation of glenoid capsulolabral complex insertional anatomy and restoration with single- and double-row capsulolabral repairs
    Christopher S Ahmad
    Center for Shoulder, Elbow and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, New York, NY 10032, USA
    J Shoulder Elbow Surg 18:948-54. 2009
    ....
  13. doi request reprint The docking technique for medial patellofemoral ligament reconstruction: surgical technique and clinical outcome
    Christopher S Ahmad
    Department of Orthopaedic Surgery, Center for Shoulder, Elbow, and Sports Medicine, Columbia University, New York, New York, USA
    Am J Sports Med 37:2021-7. 2009
    ..This article presents the outcomes of a surgical technique for reconstruction of the MPFL that uses a soft tissue graft with interference screw fixation on the femur and a docking technique for fixation on the patella...
  14. doi request reprint Reverse total shoulder arthroplasty for cuff tear arthropathy: the clinical effect of deltoid lengthening and center of rotation medialization
    Charles M Jobin
    Department of Orthopaedic Surgery, Columbia University Medical Center, New York, NY 10032, USA
    J Shoulder Elbow Surg 21:1269-77. 2012
    ..The purpose of this study was to correlate RSA functional outcomes with deltoid lengthening and center of rotation medialization...
  15. doi request reprint Interobserver and intraobserver reliability of the Walch classification in primary glenohumeral arthritis
    Douglas D Nowak
    Center for Shoulder, Elbow and Sports Medicine, Columbia University, New York, NY 10032, USA
    J Shoulder Elbow Surg 19:180-3. 2010
    ..This classification system has been widely used by shoulder surgeons but a recent independent evaluation revealed considerable lower agreement. The goal of this study was to evaluate the reproducibility of the Walch classification...
  16. doi request reprint Suture anchor and percutaneous intra-articular transtendon biceps tenodesis
    Chris Moros
    Department of Orthopaedic Surgery, Columbia University Medical Center, New York, NY 10032, USA
    Sports Med Arthrosc 16:177-9. 2008
    ..The percutaneous technique allows excellent access to the biceps tendon, and the addition of a suture anchor provides superior fixation to isolated soft tissue fixation...
  17. doi request reprint Glenoid implant orientation and cement failure in total shoulder arthroplasty: a finite element analysis
    Charlie Yongpravat
    Centers for Orthopaedic Research and Shoulder, Elbow and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, New York, NY 10032, USA
    J Shoulder Elbow Surg 22:940-7. 2013
    ..These goals, however, are not always achievable, and guidelines to prioritize their impact are not well established. The purpose of this study was to investigate how the degree of glenoid correction affects potential cement failure...
  18. doi request reprint Anterior cruciate ligament reconstruction in skeletally immature patients with transphyseal tunnels
    Lauren H Redler
    Department of Orthopaedic Surgery, Columbia University Medical Center, New York, New York, USA
    Arthroscopy 28:1710-7. 2012
    ..Our purpose was to evaluate the results of transphyseal anterior cruciate ligament (ACL) reconstruction with hamstring autograft in skeletally immature patients...
  19. doi request reprint Long-term follow-up of shoulder hemiarthroplasty for glenohumeral osteoarthritis
    William N Levine
    Center for Shoulder, Elbow and Sports Medicine, Columbia University Medical Center, 622 West 168th Street, PH 1117, New York, NY 10032, USA
    J Bone Joint Surg Am 94:e164. 2012
    ..There is major controversy surrounding the use of hemiarthroplasty as compared with total shoulder arthroplasty for glenohumeral osteoarthritis, and long-term clinical outcomes of hemiarthroplasty are lacking...
  20. doi request reprint Simulation of surgical glenoid resurfacing using three-dimensional computed tomography of the arthritic glenohumeral joint: the amount of glenoid retroversion that can be corrected
    Douglas D Nowak
    Center for Shoulder, Elbow and Sports Medicine, Columbia University, New York, NY, USA
    J Shoulder Elbow Surg 18:680-8. 2009
    ....
  21. doi request reprint Glenoid articular conformity affects stress distributions in total shoulder arthroplasty
    Jingzhou Zhang
    Department of Orthopaedic Surgery, Columbia University Centers for Orthopaedic Research and Shoulder, Elbow and Sports Medicine, New York, NY 10032, USA
    J Shoulder Elbow Surg 22:350-6. 2013
    ..The purpose of this study was to determine the stress pattern in the glenoid component with 3 different surface designs...
  22. doi request reprint Glenoid morphology after reaming in computer-simulated total shoulder arthroplasty
    Charlie Yongpravat
    Center for Orthopaedic Research and Center for Shoulder, Elbow and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, 622 W 168th St, New York, NY 10032, USA
    J Shoulder Elbow Surg 22:122-8. 2013
    ....
  23. ncbi request reprint The biomechanical effects of dynamic external rotation on rotator cuff repair compared to testing with the humerus fixed
    Maxwell C Park
    Southern California Permanente Medical Group, Woodland Hills Medical Center, Department of Orthopaedic Surgery, 5601 De Soto Avenue, Los Angeles, CA 91365, USA
    Am J Sports Med 35:1931-9. 2007
    ..Biomechanical testing without humeral motion is a standard method for evaluating rotator cuff repair constructs. This cannot elucidate the effects of dynamic external rotation on the repair, which is a common postoperative motion...
  24. pmc Surgical treatment of winged scapula
    Gregory J Galano
    Center for Shoulder, Elbow and Sports Medicine, Columbia University Medical Center, 622 West 168th Street, New York, NY 10032, USA
    Clin Orthop Relat Res 466:652-60. 2008
    ..5), and visual analog scale (5.0-2.9). We encountered two complications, both superficial wound infections. These tendon transfers were effective for treating scapular winging in patients who did not respond to nonoperative treatment...
  25. ncbi request reprint Shoulder adaptive changes in youth baseball players
    William N Levine
    Center for Shoulder, Elbow and Sports Medicine, Department of Orthopaedic Surgery, Columbia University Medical Center, New York, NY, USA
    J Shoulder Elbow Surg 15:562-6. 2006
    ..In summary, our results indicate that shoulder range of motion and laxity of youth baseball players are caused by adaptive changes that manifest during adolescence...
  26. doi request reprint Is there an association between chronicity of patellar instability and patellofemoral cartilage lesions? An arthroscopic assessment of chondral injury
    Jeanne M Franzone
    Department of Orthopaedics, Columbia University, New York, NY 10032, USA
    J Knee Surg 25:411-6. 2012
    ..05). We conclude that patients with increasing chronicity of patellar instability may have a higher likelihood of and higher grade of patellofemoral chondral injuries, specifically for trochlear lesions...
  27. doi request reprint Suprascapular neuropathy: what does the literature show?
    Todd C Moen
    Center for Shoulder, Elbow and Sports Medicine, Columbia University Medical Center, New York, NY, USA
    J Shoulder Elbow Surg 21:835-46. 2012
    ..Furthermore, no recommendations regarding suprascapular nerve release in conjunction with rotator cuff repair can be made at this time, and further research is necessary to better delineate the indications in the future...
  28. doi request reprint Management of the throwing shoulder: cuff, labrum and internal impingement
    R Michael Greiwe
    Department of Orthopaedic Surgery, Center for Shoulder, Elbow, and Sports Medicine, Columbia Presbyterian Hospital, Columbia University, 622 West 168th Street, PH 11 Center, New York, NY 10032, USA
    Orthop Clin North Am 41:309-23. 2010
    ..Surgery is indicated when nonoperative treatment fails, and is directed at correcting labral, capsular, and rotator cuff pathology...
  29. doi request reprint The outcome of elbow ulnar collateral ligament reconstruction in overhead athletes: a systematic review
    Mark A Vitale
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, New York, New York, USA
    Am J Sports Med 36:1193-205. 2008
    ..Tears of the ulnar collateral ligament (UCL) of the elbow are common injuries in overhead athletes that may be career-ending if left untreated...
  30. ncbi request reprint Total shoulder replacement compared with humeral head replacement for the treatment of primary glenohumeral osteoarthritis: a systematic review
    Craig S Radnay
    Center for Shoulder, Elbow and Sports Medicine, Columbia University, New York, NY 10032, USA
    J Shoulder Elbow Surg 16:396-402. 2007
    ..Inconsistent outcome reporting and poor study design may warrant standardization of outcome instruments and improved study design in the future...
  31. doi request reprint Evaluation of suture abrasion against rotator cuff tendon and proximal humerus bone
    Marc S Kowalsky
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, New York, New York, USA
    Arthroscopy 24:329-34. 2008
    ..This study evaluates the abrasion properties of different suture materials through the rotator cuff tendon and proximal humerus tuberosity bone...
  32. doi request reprint In situ transtendon repair outperforms tear completion and repair for partial articular-sided supraspinatus tendon tears
    Guillem Gonzalez-Lomas
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia Presbyterian Medical Center, New York, NY 10032, USA
    J Shoulder Elbow Surg 17:722-8. 2008
    ..0001) and higher mean ultimate failure strength (P = .0011) than the double-row repair. In situ transtendon repair was biomechanically superior to tear completion for partial, articular-sided supraspinatus tears...
  33. doi request reprint Multidirectional instability: evaluation and treatment options
    Maher J Bahu
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, 622 West 168th Street, New York, NY 10032, USA
    Clin Sports Med 27:671-89. 2008
    ..Initial treatment is with a physical therapy program. Patients who fail non-operative treatment are candidates for arthroscopic or open stabilization procedures...
  34. doi request reprint Distal biceps tendon repair: a cadaveric analysis of suture anchor and interference screw restoration of the anatomic footprint
    Charles M Jobin
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopedic Surgery, Columbia University, New York, New York, USA
    Am J Sports Med 37:2214-21. 2009
    ..No study has examined the accuracy and quality of the repaired tendon footprint with these devices and approaches...
  35. ncbi request reprint Ulnar collateral ligament of the elbow
    Marc Safran
    Section of Sports Medicine, Department of Orthopaedic Surgery, University of California, San Francisco, San Francisco, California 94143 0728, USA
    Arthroscopy 21:1381-95. 2005
    ..Also reviewed are patient history, examination techniques, tests that help confirm the diagnosis of UCL injury, and treatment of the injured UCL...
  36. doi request reprint Percutaneous SLAP lesion repair technique is an effective alternative to portal of Wilmington
    Gregory J Galano
    Department of Orthopedic Surgery, Columbia University, New York, New York, USA
    Orthopedics 33:803. 2010
    ..Ninety percent of athletes were able to return to sport at pre-injury level of function. Percutaneously-assisted arthroscopic SLAP lesion repair may minimize surgical morbidity to the rotator cuff and provides excellent results...
  37. ncbi request reprint Mechanical properties of soft tissue femoral fixation devices for anterior cruciate ligament reconstruction
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, New York, New York 10032, USA
    Am J Sports Med 32:635-40. 2004
    ..To evaluate femoral soft tissue fixation for anterior cruciate ligament reconstruction...
  38. doi request reprint Improving bone density at the rotator cuff footprint increases supraspinatus tendon failure stress in a rat model
    Edwin R Cadet
    Center of Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University Medical Center, 622 West 168th Street, PH 11th Floor, New York, New York 10032, USA
    J Orthop Res 28:308-14. 2010
    ..89 +/- 4.43 MPa vs. 18.36 +/- 3.16 and 17.70 +/- 4.92, respectively). In conclusion, improving the bone density at the rotator cuff footprint enhances failure stress of the suprapinatus tendon...
  39. ncbi request reprint Arthroscopic management of a chronic primary anterior shoulder dislocation
    Gregory J Galano
    Columbia University Medical Center, New York, NY 10032, USA
    Am J Orthop (Belle Mead NJ) 39:351-5. 2010
    ..Percutaneous suture anchor placement minimizes trauma to an already pathologic rotator cuff and joint capsule...
  40. doi request reprint Isolated rupture of the teres major tendon
    Jonathan D Lester
    Department of Orthopedic Surgery, Columbia University Medical Center, New York, New York, USA
    Orthopedics 33:847. 2010
    ....
  41. ncbi request reprint Elbow valgus instability in the throwing athlete
    Christopher S Ahmad
    Department of Orthopaedic Surgery, Columbia University, New York, NY, USA
    J Am Acad Orthop Surg 14:693-700. 2006
  42. ncbi request reprint Tendon-to-bone pressure distributions at a repaired rotator cuff footprint using transosseous suture and suture anchor fixation techniques
    Maxwell C Park
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, 622 West 168th Street, PH 11th Floor, New York, NY 10032, USA
    Am J Sports Med 33:1154-9. 2005
    ..Interface contact pressure between the tendon and bone has been shown to influence healing. This study evaluates the interface pressure of the rotator cuff tendon to the greater tuberosity for different rotator cuff repair techniques...
  43. ncbi request reprint Biomechanics of shoulder capsulorrhaphy procedures
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, 622 W 168th Street, PH 11th Center, New York, NY 10032, USA
    J Shoulder Elbow Surg 14:12S-18S. 2005
    ..Anatomic capsulorrhaphy procedures produce more normal joint mechanics. Current and future studies will evaluate new arthroscopic capsulorrhaphy techniques...
  44. ncbi request reprint Nonoperative management of idiopathic adhesive capsulitis
    William N Levine
    Center for Shoulder, Elbow and Sports Medicine, Columbia University Medical Center, New York, NY, USA
    J Shoulder Elbow Surg 16:569-73. 2007
    ..With supervised treatment, most patients with adhesive capsulitis will experience resolution with nonoperative measures in a relatively short period. Only a small percentage of patients eventually require operative treatment...
  45. ncbi request reprint Arthroscopic distal clavicle resection: a comparison of bursal and direct approaches
    William N Levine
    Center for Shoulder, Elbow and Sports Medicine, Columbia University, Columbia University Medical Center, New York, New York, USA
    Arthroscopy 22:516-20. 2006
    ..To test the hypothesis that the direct (superior) approach to arthroscopic distal clavicle resection is as safe and effective as the bursal (subacromial) approach...
  46. ncbi request reprint Codominance of the individual posterior cruciate ligament bundles. An analysis of bundle lengths and orientation
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery and Orthopaedic Research Laboratory, Columbia University, New York, New York 10032, USA
    Am J Sports Med 31:221-5. 2003
    ..It is unclear how each bundle of the posterior cruciate ligament contributes to posterior knee stability...
  47. doi request reprint Characterizing bone tunnel placement in medial ulnar collateral ligament reconstruction using patient-specific 3-dimensional computed tomography modeling
    Ian R Byram
    Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, TN, USA
    Am J Sports Med 41:894-902. 2013
    ..Medial ulnar collateral ligament (MUCL) reconstruction is successful in restoring valgus elbow stability, but variability in bone tunnel characteristics exists among surgical techniques...
  48. ncbi request reprint How to minimize complications in acromioclavicular joint and clavicle surgery
    Stephanie H Hsu
    Department of Orthopedic Surgery, New York Presbyterian Hospital, New York, NY, USA
    Instr Course Lect 61:169-83. 2012
    ....
  49. ncbi request reprint Elbow arthroscopy: valgus extension overload
    Christopher S Ahmad
    Department of Orthopaedic Surgery, Columbia University, New York, NY, USA
    Instr Course Lect 60:191-7. 2011
    ..Surgical treatment is limited to the resection of osteophytes only; normal olecranon should not be resected...
  50. doi request reprint Physical examination of the athlete's elbow
    Stephanie H Hsu
    Center for Shoulder, Elbow, and Sports Medicine, Columbia University, Department of Orthopaedic Surgery, New York, New York, USA
    Am J Sports Med 40:699-708. 2012
    ..This article reviews general and focused physical examination maneuvers of the elbow in a systematic anatomic fashion...
  51. doi request reprint Hemiarthroplasty for three- and four-part proximal humerus fractures
    Edwin R Cadet
    Columbia Orthopaedics, Columbia University Medical Center, New York, NY, USA
    J Am Acad Orthop Surg 20:17-27. 2012
    ..Technical challenges, including obtaining proper humeral head height, retroversion, and optimal positioning and fixation of the tuberosities, have a substantial effect on patient outcomes...
  52. ncbi request reprint Dynamic contributions of the flexor-pronator mass to elbow valgus stability
    Maxwell C Park
    Center for Shoulder, Elbow and Sports Medicine, Department of Orthopaedic Surgery, Columbia University Medical Center, 622 West 168th Street, New York, NY 10032, USA
    J Bone Joint Surg Am 86:2268-74. 2004
    ..We hypothesized that the flexor-pronator mass assists the medial ulnar collateral ligament in stabilizing the elbow against valgus torque...
  53. doi request reprint Assessment of shoulder range of motion: introduction of a novel patient self-assessment tool
    Cordelia W Carter
    Center for Shoulder, Elbow and Sports Medicine, Columbia University Medical Center, New York, New York 10032, USA
    Arthroscopy 24:712-7. 2008
    ..The goal of this study was to show that patient self-assessment of active shoulder range of motion (ROM) by use of a novel, diagram-based questionnaire is accurate when compared with physician-assessed shoulder ROM...
  54. ncbi request reprint Biomechanical evaluation of subscapularis repair used during shoulder arthroplasty
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, New York, NY 10032, USA
    J Shoulder Elbow Surg 16:S59-64. 2007
    ....
  55. ncbi request reprint Biomechanical evaluation of a new ulnar collateral ligament reconstruction technique with interference screw fixation
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, New York Orthopaedic Hospital, College of Physicians and Surgeons of Columbia University, New York, New York 10032, USA
    Am J Sports Med 31:332-7. 2003
    ..Techniques for ulnar collateral ligament reconstruction have evolved...
  56. ncbi request reprint Current treatment strategies for bicolumnar distal humerus fractures
    Gregory J Galano
    Department of Orthopaedic Surgery, Columbia University Medical Center, New York, NY, USA
    J Am Acad Orthop Surg 18:20-30. 2010
    ..Distal humeral replacement is a new and potentially exciting option but it is currently not approved by the US Food and Drug Administration and has no long-term follow-up to support its use...
  57. doi request reprint Pediatric sports elbow injuries
    R Michael Greiwe
    Columbia University Medical Center, Department of Orthopaedic Surgery, 622 West 168th Street, PH11 1130, New York, NY 10032, USA
    Clin Sports Med 29:677-703. 2010
    ..Early and accurate diagnosis can improve outcomes for both nonoperative and operative treatments. Prevention strategies are important to help reduce the increasing incidence of elbow injuries in youth athletes...
  58. ncbi request reprint Combined medial patellofemoral ligament and medial patellotibial ligament reconstruction in skeletally immature patients
    Gabriel D Brown
    Center of Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, Columbia University Medical Center, New York Presbyterian Hospital, New York, NY 10032, USA
    J Knee Surg 21:328-32. 2008
    ..We present a novel physeal-sparing surgical technique that anatomically reconstructs both the medial patellofemoral and medial patellotibial ligaments using semitendinosus autograft...
  59. ncbi request reprint Elbow arthroscopy: setup, portal placement, and simple procedures
    Christopher S Ahmad
    Department of Orthopaedic Surgery, Columbia University, New York, NY, USA
    Instr Course Lect 60:171-80. 2011
    ..For beginning and advanced procedures, the surgeon's skill and competence must be at a level consistent with the procedure to avoid complications...
  60. doi request reprint Operative treatment of isolated greater tuberosity fractures: retrospective review of clinical and functional outcomes
    Bob Yin
    Department of Orthopedic Surgery, Columbia University Medical Center, New York, New York 10032, USA
    Orthopedics 35:e807-14. 2012
    ..For a specific injury, the ideal surgical approach and method of fixation is dictated by patient characteristics and fracture pattern...
  61. pmc Precontoured plating of clavicle fractures: decreased hardware-related complications?
    Corinne Vanbeek
    Center for Shoulder, Elbow and Sports Medicine, Department of Orthopaedic Surgery, Columbia University Medical Center, 622 West 168th Street PH 11, New York, NY 10032, USA
    Clin Orthop Relat Res 469:3337-43. 2011
    ..Plating these fractures, however, may trade these complications for hardware-related problems. Low-profile anatomically precontoured plates may reduce the rates of plate prominence and hardware removal...
  62. pmc Two-dimensional strain fields on the cross-section of the human patellofemoral joint under physiological loading
    Clare Canal Guterl
    Department of Biomedical Engineering, Columbia University, 500W 120th Street, New York, NY, USA
    J Biomech 42:1275-81. 2009
    ..090+/-0.030 and -0.072+/-0.038 (p<0.005). These experimental results provide a detailed description of the manner by which human PFJ articular layers deform in situ under physiological load conditions...
  63. ncbi request reprint "Transosseous-equivalent" rotator cuff repair technique
    Maxwell C Park
    Department of Orthopaedic Surgery, Southern California Permanente Medical Group, Woodland Hills Medical Center, Los Angeles, California 91365, USA
    Arthroscopy 22:1360.e1-5. 2006
    ..The geometry of the construct compresses the tendon, optimizing tendon-to-tuberosity contact dimensions, while providing strength sufficient to withstand immediate postoperative rehabilitation...
  64. ncbi request reprint The relationship between greater tuberosity osteopenia and the chronicity of rotator cuff tears
    Edwin R Cadet
    Center for Shoulder, Elbow and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, New York, NY, USA
    J Shoulder Elbow Surg 17:73-7. 2008
    ..The greater tuberosity osteopenia may affect anchor pullout strength and the healing biology that influences overall rotator cuff repair healing rates...
  65. ncbi request reprint Anteromedial capsular redundancy and labral deficiency in shoulder instability
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopaedic Surgery, New York Orthopaedic Hospital, Columbia Presbyterian Medical Center, New York, New York 10032, USA
    Am J Sports Med 31:247-52. 2003
    ..Redundancy of the anteromedial capsule of the shoulder may persist despite proper tensioning of the capsule and repair of a Bankart lesion during an anteroinferior capsular shift procedure...
  66. ncbi request reprint Training resources in arthroscopic rotator cuff repair
    Mark A Vitale
    New York Orthopaedic Hospital, 622 West 168th Street, PH 1132, 11th Floor, New York, NY 10032, USA
    J Bone Joint Surg Am 89:1393-8. 2007
    ..This study evaluated the influence of different training resources for surgeons performing this procedure...
  67. ncbi request reprint Arthroscopic rotator cuff repair
    Christopher S Ahmad
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopedic Surgery, Columbia University, New York, NY 10032, USA
    Orthopedics 27:570-4. 2004
  68. ncbi request reprint Thermal capsulorrhaphy
    William N Levine
    Center for Shoulder, Elbow, and Sports Medicine, Department of Orthopedic Surgery, Columbia University, New York, NY 10032, USA
    Orthopedics 27:823-6. 2004
    ..Although it remains to be seen if these techniques will lead to good clinical outcomes, it appears that they more closely resemble the original operative procedure-anterior capsular shift...
  69. doi request reprint Treatment of glenohumeral arthrosis
    Karen J Boselli
    Center for Shoulder, Elbow and Sports Medicine, Columbia University Medical Center, New York, New York, USA
    Am J Sports Med 38:2558-72. 2010
    ..However, concerns about progressive glenoid erosion and glenoid component loosening have led many to pursue alternative nonarthroplasty techniques for the management of arthrosis in active young individuals...
  70. ncbi request reprint Arthroscopic anterior shoulder instability repair: techniques, pearls, pitfalls, and complications
    Cordelia W Carter
    Department of Orthopaedic Surgery, Columbia University Medical Center, New York, New York, USA
    Instr Course Lect 57:125-32. 2008
    ..Current experience shows that with careful patient selection, strict adherence to proper surgical technique, and the avoidance of common surgical errors, excellent clinical results can be achieved with arthroscopic instability repair...
  71. doi request reprint The effects of timing of pediatric knee ligament surgery on short-term academic performance in school-aged athletes
    Natasha E Trentacosta
    Department of Orthopaedic Surgery, Center for Adolescent and Pediatric Sports Medicine, New York Presbyterian Medical Center, Columbia University, New York, New York10032, USA
    Am J Sports Med 37:1684-91. 2009
    ..Orthopaedic injuries negatively affect the academic lives of children...
  72. ncbi request reprint Bone grafting of humeral head cystic defects during rotator cuff repair
    David M Levy
    Columbia University College of Physicians, New York, New York, USA
    Am J Orthop (Belle Mead NJ) 41:92-4. 2012
    ..Bone grafting techniques are needed to address these defects. In this article, we present an arthroscopic allograft compaction technique with concomitant suture anchor rotator cuff repair...
  73. ncbi request reprint A comparison of magnetic resonance imaging findings of the acromioclavicular joint in symptomatic versus asymptomatic patients
    Beth E Shubin Stein
    Center for Shoulder, Elbow, and Sports Medicine, New York Orthopaedic Hospital, New York Presbyterian Medical Center, New York, NY, USA
    J Shoulder Elbow Surg 15:56-9. 2006
    ..05). Reactive bone edema on MRI is a more reliable predictor of symptomatic AC pathology than degenerative changes seen on MRI and, when correlated with clinical examination, is reproducible...
  74. doi request reprint Discrepancies and rates of publication in orthopaedic sports medicine abstracts
    Conor P Kleweno
    Columbia University College of Physicians and Surgeons, New York, New York 10032, USA
    Am J Sports Med 36:1875-9. 2008
    ..Presentations of clinically relevant data at AOSSM national meetings are presented yearly and may influence clinical decision making...
  75. ncbi request reprint Failure of acromioclavicular reconstruction using Gore-Tex graft due to aseptic foreign-body reaction and clavicle osteolysis: a case report
    Andrew M Stewart
    Department of Orthopaedic Surgery, Columbia University, New York, NY 10032, USA
    J Shoulder Elbow Surg 13:558-61. 2004
  76. ncbi request reprint Part I: Footprint contact characteristics for a transosseous-equivalent rotator cuff repair technique compared with a double-row repair technique
    Maxwell C Park
    Kerlan Jobe Orthopaedic Clinic, Los Angeles, CA, USA
    J Shoulder Elbow Surg 16:461-8. 2007
    ..A transosseous-equivalent technique, using suture bridges, may help optimize the healing biology at a repaired rotator cuff insertion...
  77. ncbi request reprint Part II: Biomechanical assessment for a footprint-restoring transosseous-equivalent rotator cuff repair technique compared with a double-row repair technique
    Maxwell C Park
    Kerlan Jobe Orthopaedic Clinic, Los Angeles, CA, USA
    J Shoulder Elbow Surg 16:469-76. 2007
    ..Gap formation is similar for both techniques. A transosseous-equivalent repair helps restore footprint dimensions and provides a stronger repair than the double-row technique, which may help optimize healing biology...
  78. ncbi request reprint Arthroscopic reduction and suture anchor fixation for a displaced greater tuberosity fracture: a case report
    Edwin R Cadet
    Center for Shoulder, Elbow and Sports Medicine, Department of Orthopaedic Surgery, Columbia University, New York, NY 10032, USA
    J Shoulder Elbow Surg 16:e6-9. 2007
  79. doi request reprint The rising incidence of acromioplasty
    Mark A Vitale
    Center for Shoulder, Elbow and Sports Medicine, Department of Orthopaedic Surgery, New York Presbyterian Medical Center, Columbia University, 622 West 168th Street, PH 1117, New York, NY 10032, USA
    J Bone Joint Surg Am 92:1842-50. 2010
    ..Acromioplasty is considered a technically simple procedure but has become controversial with regard to its indications and therapeutic value...
  80. ncbi request reprint The management of acromioclavicular joint osteoarthrosis: d├ębride, resect, or leave it alone
    Edwin Cadet
    Columbia Presbyterian Medical Center, Department of Orthopaedic Surgery, Columbia University, New York, New York, USA
    Instr Course Lect 55:75-83. 2006
    ....
  81. ncbi request reprint Avulsion fracture of the lesser tuberosity in an adolescent baseball pitcher: a case report
    Matthew T Sugalski
    Department of Orthopaedic Surgery, Columbia University, New York, New York, USA
    Am J Sports Med 32:793-6. 2004
  82. ncbi request reprint Elbow arthroscopy: capitellar osteochondritis dissecans and radiocapitellar plica
    Christopher S Ahmad
    Department of Orthopaedic Surgery, Columbia University, New York, NY, USA
    Instr Course Lect 60:181-90. 2011
    ..Radiocapitellar plica can cause chondromalacic changes on the radial head and capitellum, with symptoms including painful clicking and effusions. Arthroscopic plica resection is indicated when nonsurgical treatment fails...
  83. pmc Medial collateral ligament injuries of the knee: current treatment concepts
    Lan Chen
    Department of Orthopedic Surgery, Columbia University Medical Center, 622 West 168th Street, PH11 Center, New York, NY, 10032, USA
    Curr Rev Musculoskelet Med 1:108-13. 2008
    ..Accurate characterization of each aspect of the injury will help to determine the optimum treatment plan...
  84. ncbi request reprint Congenital medial dislocation of the patella
    Christopher S Ahmad
    New York Orthopaedic Hospital, Columbia Presbyterian Medical Center, New York, NY, USA
    Orthopedics 26:189-90. 2003
  85. ncbi request reprint Arthroscopic treatment of subcoracoid impingement caused by lesser tuberosity malunion: a case report and review of the literature
    Marc S Kowalsky
    Department of Orthopaedic Surgery, Center for Shoulder, Elbow and Sports Medicine, Columbia University, New York, NY 10032, USA
    J Shoulder Elbow Surg 16:e10-4. 2007
  86. ncbi request reprint Clinical outcomes of the DANE TJ technique to treat ulnar collateral ligament insufficiency of the elbow
    Joshua S Dines
    Kerlan Jobe Orthopaedic Clinic, 6801 Park Terrace, Los Angeles, CA 90045, USA
    Am J Sports Med 35:2039-44. 2007
    ..A novel elbow ulnar collateral ligament reconstruction technique that combines interference screw fixation on the ulna with docking of the graft on the humeral side (DANE TJ) has been reported...
  87. ncbi request reprint Elbow anatomy and structural biomechanics
    Jess G Alcid
    Ocean Orthopedic Associates, PA, 20 Hospital Drive, Suite 12, Toms River, NJ 08755, USA
    Clin Sports Med 23:503-17, vii. 2004
    ..Muscles play a dynamic role in stabilizing the elbow. Understanding the anatomy and biomechanics of the elbow is essential to diagnosing and treating problems that develop in a patient's elbow...
  88. ncbi request reprint A survey of sports medicine specialists investigating the preferred management of contaminated anterior cruciate ligament grafts
    Rolando Izquierdo
    Crystal Lake Professional Center, Crystal Lake, Illinois, USA
    Arthroscopy 21:1348-53. 2005
    ..To survey leaders in sports medicine who perform anterior cruciate ligament (ACL) reconstructions to determine the preferred management when ACL graft contamination occurs...
  89. ncbi request reprint Medial collateral ligament strain with partial posteromedial olecranon resection. A biomechanical study
    Srinath Kamineni
    Department of Orthopaedics and Biomechanics, Imperial College London and Hillingdon Hospital NHS Trust, South Kensington Campus, London SW7 2AZ, United Kingdom
    J Bone Joint Surg Am 86:2424-30. 2004
    ..It has been hypothesized that removal of the normal olecranon process, beyond the osteophytic margin, increases the strain in the anterior bundle of the medial collateral ligament...