This week in Sports Medicine

Aug 10–16, 2026 · 22 new studies, 10 reviews · Sports Medicine archive · All weeks

The new Sports Medicine research The Reduction sent the week of Aug 10–16, 2026, with the week’s most recent reviews, each with a one-line summary.

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New research

  1. Proceedings of the 2026 Biologics Research Think Tank Convened by AANA, American Orthopaedic Society for Sports Medicine, and the Biologic Association.

    Arthroscopy · Sep 2026 · PubMed

    This expert consensus report summarizes the 2026 AANA/AOSSM/Biologic Association Think Tank proceedings identifying key research gaps and priority funding directions in orthobiologics for sports medicine.

  2. Platelet-Derived Growth Factor Synergistic Enhancement of Bone Marrow Stimulation for Enhanced Labral Repair and Functional Recovery in a Rat Bankart Model.

    American Journal of Sports Medicine · Sep 2026 · PubMed

    In a rat Bankart model, adding PDGF to bone marrow stimulation dramatically boosted progenitor cell recruitment and improved labral healing and functional recovery compared to either treatment alone, suggesting a promising translational strategy.

  3. Association of Early Knee Extension Range of Motion Deficits With Cartilage T2 Relaxation Following Anterior Cruciate Ligament Reconstruction.

    American Journal of Sports Medicine · Sep 2026 · PubMed

    In 30 patients after ACL reconstruction, knee extension deficits at 2 months were linked to worsening medial femoral cartilage T2 relaxation at 6 months, suggesting early ROM loss may accelerate cartilage degeneration and OA risk.

  4. Postoperative Sensory Nerve Complications Following Ankle Arthroscopy: Incidence, Risk Factors, and Clinical Course in 545 Consecutive Procedures.

    Foot & Ankle International · Sep 2026 · PubMed

    In 545 ankle arthroscopies, sensory nerve complications occurred in 8.4% of cases (mostly superficial peroneal nerve), with smoking and surgical approach as risk factors and less than half achieving full resolution by 13 months.

  5. Changes in ACL T2* Metrics Over the Course of the Female Menstrual Cycle: A New Biomarker for the ACL Injury Risk?

    American Journal of Sports Medicine · Aug 14 2026 · PubMed

    MRI T2* imaging showed ACL tissue changes across the menstrual cycle in eumenorrheic women but not in anovulatory controls, suggesting a possible hormone-related biomarker for ACL injury risk.

  6. Peroneal Reaction-Time Demonstrates a Greater Influence Than Peroneal Muscle Strength on Lateral Ankle Ligament Strain in People With Chronic Ankle Instability.

    Sports Health · Aug 14 2026 · PubMed

    In patients with chronic ankle instability, delayed peroneal reaction time predicted increased ATFL ligament strain more strongly than peroneal muscle weakness, suggesting rehab should prioritize neuromuscular reaction training.

  7. Quantifying the Center of Elbow Rotation in Relation to the Capitellum: Implications for Lateral Ulnar Collateral Ligament Reconstruction.

    HAND · Aug 13 2026 · PubMed

    CT-based 3D modeling of 29 elbows found the ulnohumeral center of rotation closely matches the geometric center of the capitellum, guiding optimal graft placement for isometric lateral ulnar collateral ligament reconstruction.

  8. Posterior Translation of the Humeral Head after Arthroscopic Bankart Repair: A Quantitative Analysis of Preoperative and Postoperative Axial MRI.

    Journal of Shoulder and Elbow Surgery · Aug 13 2026 · PubMed

    In 50 patients, arthroscopic Bankart repair significantly shifted the humeral head posteriorly on MRI, with greater preoperative anterior translation (linked to instability chronicity) predicting less postoperative correction.

  9. Examining Sex-Based Inequities in Pediatric Sports Medicine Research: A Systematic Review.

    Journal of Pediatric Orthopaedics · Aug 10 2026 · PubMed

    A systematic review of 409 pediatric sports medicine studies (2020-2024) found female athletes are significantly underrepresented, especially in single-sport and higher-evidence-level studies, highlighting a need for more equitable inclusion in future research.

  10. Outcomes of primary reverse total shoulder arthroplasty in patients younger than 65 years: A systematic review.

    Shoulder & Elbow · Aug 08 2026 · PubMed

    A systematic review shows primary reverse total shoulder arthroplasty in patients under 65 significantly improves range of motion and PROMs, with modest complication (13%) and revision (8%) rates, supporting its use in selected younger patients.

  11. Preoperative Proximal Migration of the Radial Head as an Independent Predictor of Suboptimal Outcomes After Osteochondral Autograft Transplantation for Capitellar Osteochondritis Dissecans: A Retrospective Cohort Study.

    American Journal of Sports Medicine · Aug 06 2026 · PubMed

    In adolescents undergoing osteochondral autograft transplantation for capitellar OCD, preoperative proximal migration of the radial head >2.2mm independently predicted suboptimal outcomes.

  12. Gärtner Type and Outcomes After US PAL Versus Arthroscopic Debridement for Calcific Tendinitis: A Retrospective Cohort Study.

    Journal of Shoulder and Elbow Surgery · Aug 06 2026 · PubMed

    In this cohort study, arthroscopic debridement outperformed ultrasound-guided lavage for Gärtner Type I calcific tendinitis, while both were equally effective for Type II, suggesting calcification type could guide treatment choice.

  13. Primary ACL Repair and Reconstruction in Isolated ACL Ruptures: Forgotten Joint Scores and the Association Between Residual Laxity and Joint Awareness.

    American Journal of Sports Medicine · Aug 03 2026 · PubMed

    In selected proximal ACL tears, repair and hamstring reconstruction had similar clinical outcomes, but repair patients reported less joint awareness (higher FJS-12), which correlated with lower residual laxity.

  14. Association between tibiofemoral bone and meniscus morphology and dynamic tibiofemoral movements during jump-landing tasks in patients following ACL reconstruction.

    Knee Surgery, Sports Traumatology, Arthroscopy · Aug 03 2026 · PubMed

    In ACL-reconstructed knees, steeper tibial slope, flatter medial plateau, smaller lateral meniscal slope, and larger lateral femoral condyle ratio were linked to greater dynamic rotational/translational instability during jump-landing, suggesting possible indications for anterolateral augmentation.

  15. Length Changes of the Lateral Knee: Fibular Collateral Ligament, Anterolateral Ligament, and Iliotibial Band Fibers.

    American Journal of Sports Medicine · Aug 03 2026 · PubMed

    Cadaveric study found FCL and ALL attachment distances shorten progressively with knee flexion while ITB Kaplan fiber segments remain relatively isometric, informing optimal graft fixation angles in lateral knee reconstruction.

  16. Suprascapular Nerve Release Improves the Histological Healing Morphology and Biomechanical Strength of the Rotator Cuff in a Rat Chronic Massive Rotator Cuff Tear Model.

    American Journal of Sports Medicine · Jul 31 2026 · PubMed

    In a rat chronic massive rotator cuff tear model, suprascapular nerve release combined with tendon repair improved biomechanical strength and histological healing compared to repair alone, supporting its potential clinical use.

  17. Shoulder Injury and Surgery Patterns Among Astronauts Across Spaceflight Phases and Mission Operations: An Analysis of 677 Injuries from 1981 to 2024.

    Journal of Shoulder and Elbow Surgery · Jul 30 2026 · PubMed

    Analysis of 677 astronaut shoulder injuries (1981-2024) found most occur post-flight, with longer microgravity exposure and greater NBL training hours linked to earlier injury onset, supporting targeted pre-flight conditioning and post-flight surveillance.

  18. Surgical Time Is More Predictive of Suture Contamination During Arthroscopic Rotator Cuff Repair Compared With Skin-Preparation Method: A Prospective Randomized Study on Male Patients.

    Arthroscopy · Jul 29 2026 · PubMed

    In this RCT of 150 rotator cuff repairs, longer surgical/suture exposure time predicted suture contamination more than choice of skin antiseptic, though olanexidine had higher contamination risk than alcohol-povidone-iodine.

  19. Preoperative Scaption and External Rotation Strength Deficits Are Predictive of Retear After Rotator Cuff Repair.

    Arthroscopy · Jul 27 2026 · PubMed

    In 699 patients, preoperative deficits in scaption and external rotation strength (plus age and Constant score) independently predicted rotator cuff retear, offering a practical clinical alternative to MRI for risk assessment.

  20. The Influence of Preoperative Mood Disorders on Postoperative Complications and Healthcare Utilization in Adolescent Sports Injuries.

    Sports Health · Jul 23 2026 · PubMed

    In over 7,000 adolescents undergoing sports surgery, preoperative mood disorders did not increase complication rates but were linked to significantly lower postoperative follow-up attendance.

  21. Guide For Selection of Appropriate Patient-Reported Outcome Measures and Clinically Significant Outcome Thresholds in Knee Arthroscopy.

    Arthroscopy · Jul 22 2026 · PubMed

    A narrative review guiding selection of patient-reported outcome measures for knee arthroscopy, emphasizing validity, ceiling effects, and clinically meaningful thresholds like MCID and PASS over statistical significance alone.

  22. How Much Meniscal Translation Is Normal? A Pediatric Physiological Arthroscopic Meniscus Mobility Study.

    Journal of Pediatric Orthopaedics · Jul 20 2026 · PubMed

    Arthroscopic study of 40 pediatric cadaver knees establishes normal age-based meniscal mobility and rim width benchmarks, showing the lateral meniscus is inherently more mobile than the medial, to help surgeons judge abnormal peripheral rim instability during discoid meniscus saucerization.

Recent reviews

  1. ICRS-FIFA-Aspetar consensus on the management of knee cartilage injuries in football players: part 2-appropriateness of specific surgical procedures to address articular cartilage lesions in different clinical scenarios using the RAND/UCLA appropriateness method.

    British Journal of Sports Medicine · Jun 08 2026 · PubMed

    An expert RAND/UCLA consensus finds surgical choice for knee cartilage lesions in footballers should be tailored to lesion characteristics and patient priority for quick return vs long-term results, favoring debridement+orthobiologics or regenerative techniques respectively while bone marrow stimulation is often inappropriate.

  2. Injectable Peptides in Sports Medicine: A Structured Narrative Review of Evidence, Safety, and Antidoping Implications.

    JBJS Reviews · May 01 2026 · PubMed

    Most injectable peptides marketed for sports medicine (aside from GLP-1 agonists for knee OA-related weight loss) remain experimental with unproven efficacy, safety concerns, and antidoping risks.

  3. Osteochondritis Dissecans of the Elbow: Current Diagnosis and Management.

    Journal of the American Academy of Orthopaedic Surgeons · Feb 15 2026 · PubMed

    Reviews diagnosis and staged management of elbow osteochondritis dissecans, favoring nonoperative treatment for stable lesions and surgery (microfracture, OAT, grafting) for unstable or refractory cases.

  4. The Orthopaedic Surgeon's Guide to Surfing Injuries.

    Journal of the American Academy of Orthopaedic Surgeons · Apr 29 2025 · PubMed

    A review outlining surfing biomechanics, typical orthopaedic injury patterns, prevention strategies, and return-to-sport guidance to help surgeons manage surfing-related injuries.

  5. Management of the in-season athlete with an anterior shoulder dislocation.

    Journal of Shoulder and Elbow Surgery · Dec 2024 · PubMed

    This narrative review highlights that nonoperative treatment allows in-season return to play after shoulder dislocation but carries higher recurrence risk, while operative treatment lowers recurrence at the cost of season-ending recovery.

  6. The 2024 Kappa Delta Young Investigator Award: Leveraging Insights From Development to Improve Adult Repair: Hedgehog Signaling as a Master Regulator of Enthesis Fibrocartilage Formation.

    Journal of the American Academy of Orthopaedic Surgeons · Dec 01 2024 · PubMed

    This award-winning research identifies Hedgehog signaling as a key driver of enthesis fibrocartilage formation and tendon-to-bone healing, offering a promising therapeutic target to improve outcomes after ACL and tendon repairs.

  7. Pickleball Primer: An Overview of Common Injuries, Treatment, and Optimization Strategies in Pickleball Athlete.

    Journal of the American Academy of Orthopaedic Surgeons · Sep 01 2024 · PubMed

    This review familiarizes orthopaedic surgeons with pickleball's rapid growth and common injuries, treatment, and prevention strategies given limited existing research.

  8. A Comparison of Proximal Patellar Realignment vs. Medial Patellofemoral Ligament Reconstruction: A Review of the Literature.

    JBJS Reviews · Sep 01 2024 · PubMed

    Proximal patellar realignment and MPFL reconstruction show similar dislocation and arthritis rates, but PPR is cheaper and has fewer complications, so it remains a valid option for patellar instability.

  9. Subtle Syndesmotic Instability.

    Journal of the American Academy of Orthopaedic Surgeons · Aug 15 2024 · PubMed

    This review covers diagnosis and management of subtle syndesmotic instability (high ankle sprains), emphasizing physical exam maneuvers, advanced imaging, and arthroscopic stress testing as the diagnostic gold standard.

  10. Injuries in Male and Female Wrestlers.

    JBJS Reviews · Aug 01 2024 · PubMed

    Female wrestlers experience more sprains/strains while males have more concussions and fractures, with weight-cutting practices flagged as a shared concern needing further study.

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