American Journal of Sports Medicine

Five articles from the January 2015 issue summarized in five minutes, with the addition of a brief editorial commentary. The 5-in-5 feature is designed to give readers an overview of articles that may pique their interest and encourage more detailed reading. It may also be used by busy readers who would prefer a brief audio summary in order to select the articles they want to read in full. The featured articles for this month are “Epidemiology of Stress Fracture Injuries Among US High School Athletes, 2005-2006 Through 2012-2013,” “Consequences of Tibial Tunnel Reaming on the Meniscal Roots During Cruciate Ligament Reconstruction in a Cadaveric Model, Part 1 The Anterior Cruciate Ligament,” “Arm Pain in Youth Baseball Players A Survey of Healthy Players,” “Analysis of ‘‘Hidden Lesions’’ of the Extra-articular Biceps After Subpectoral Biceps Tenodesis: The Subpectoral Portion as the Optimal Tenodesis Site,” and “Suture Placement Near the Musculotendinous Junction in the Supraspinatus Implications for Rotator Cuff Repair.”

Ankle sprains are the most common sports-related injury, associated with a high rate of recurrence and societal costs. Recent studies have emphasized the effectiveness of both neuromuscular training and bracing for the secondary prevention of ankle sprains. Bracing was found to be the dominant secondary preventive intervention over both neuromuscular training and the combination of both measures.

Click here to read the article.

A Hill-Sachs lesion is a common injury associated with anterior glenohumeral instability, and a Hill-Sachs lesion that engages with the anterior glenoid rim is 1 factor related to recurrent instability. In a cadaveric study in 2007, a new concept, the glenoid track, was proposed to evaluate the risk of engagement of Hill-Sachs lesions with the glenoid. The existence and widths of the glenoid track were confirmed in vivo.

Click here to read the article.

The effect of platelet-rich plasma (PRP) on chondrocytes has been studied in cell and tissue culture, but considerably less attention has been given to the effect of PRP on synoviocytes. Fibroblast-like synoviocytes (FLS) compose 80% of the normal human synovium and produce cytokines and matrix metalloproteinases that can mediate cartilage catabolism. Treatment of synovial cells with LR-PRP and RBCs resulted in significant cell death and proinflammatory mediator production.

Click here to read the article.

The presence of a cam deformity represents a significant risk factor for the development of hip pain. An elevated alpha angle at the 1:30 clock position and decreased internal rotation are associated with an increased risk of developing hip pain. However, not all patients with a cam deformity develop hip pain, and further research is needed to better define those at greater risk of developing degenerative symptoms.

Click here to read the article.

There is a high rate of RTP in professional baseball after UCL reconstruction. Performance declined before surgery and improved after surgery. When compared with demographic-matched controls, patients who underwent UCL reconstruction had better results in multiple performance measures. Reconstruction of the UCL allows for a predictable and successful return to the MLB.

Click here to read the article.

Femoral tunnel enlargement after MPFL reconstruction is common, with patients with patella alta at an increased risk. The influence of tunnel malposition and trochlear dysplasia on this condition requires further research. Recurrent instability and patient-reported outcome scores are not affected by tunnel enlargement.

Click here to read the article.

Five articles from the March 2014 issue summarized in five minutes, with the addition of a brief editorial commentary. The 5-in-5 feature is designed to give readers an overview of articles that may pique their interest and encourage more detailed reading. It may also be used by busy readers who would prefer a brief audio summary in order to select the articles they want to read in full. The featured articles for this month are "Treatment of 'Patellofemoral' Cartilage Lesions With Matrix-Assisted Autologous Chondrocyte Transplantation A Comparison of Patellar and Trochlear Lesions," "Comparisons of Retear Patterns for Three Arthroscopic Rotator Cuff Repair Methods," "20 Years of Pediatric Anterior Cruciate Ligament Reconstruction in New York State," "Platelet-Rich Plasma versus Dry-Needling, Combined with Eccentric Exercises, as a Treatment for Patellar Tendinopathy: A Double-Blind Randomized Controlled Trial," and "Risk Factors of Subsequent Operations After Primary Anterior Cruciate Ligament Reconstruction."

Five articles from the February 2014 issue summarized in five minutes, with the addition of a brief editorial commentary. The 5-in-5 feature is designed to give readers an overview of articles that may pique their interest and encourage more detailed reading. It may also be used by busy readers who would prefer a brief audio summary in order to select the articles they want to read in full. The featured articles for this month are "Efficacy of Platelet-Rich Plasma for Chronic Tennis Elbow A Double-Blind, Prospective, Multicenter, Randomized Controlled Trial of 230 Patients," "Relationship Between Isokinetic Strength and Tibiofemoral Joint Space Width Changes After Anterior Cruciate Ligament Reconstruction," "Complications After Arthroscopic Knee Surgery,""Comparison of Hamstring Tendon and Patellar Tendon Grafts in Anterior Cruciate Ligament Reconstruction in a Nationwide Population-Based Cohort Study: Results From the Danish Registry of Knee Ligament Reconstruction," and "Increased Risk of Revision with Hamstring Graft Compared to Patellar Graft after Anterior Cruciate Ligament Reconstruction; A Study of 12 643 cases from the Norwegian Cruciate Ligament Registry 2004-2012."

Click here to read the article.