Research News

E-bike injuries among youth surge over 300% as micromobility market expand

NEW ORLEANS (March 2, 2026)—Electronic bicycles (e-bikes) have surged in popularity in the United States in recent years. As e-bike use has increased, so have associated accidents and injuries, particularly among children and teenagers. A new study presented at the 2026 Annual Meeting of the American Academy of Orthopaedic Surgeons (AAOS), “E-Bike Orthopaedic Injuries Amongst Pediatric and Adolescent Patients at a Level 1 Trauma Center,” found that youth are experiencing a growing number of severe orthopaedic injuries related to e-bike usage, highlighting the need for community-based e-bike safety strategies...

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Research in college and NFL athletes links early sports specialization to higher injury rates

NEW ORLEANS (March 2, 2026)—New research presented at the 2026 Annual Meeting of the American Academy of Orthopaedic Surgeons (AAOS) studied college and National Football League (NFL) players to determine the long-term impact of early, single-sport specialization on injury risk. The studies showed that repetitive stress from focusing on one sport from a young age can have negative, lasting effects on the musculoskeletal system, potentially making them more prone to hip dysfunction, reduced function, and surgical intervention in young adulthood...

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GLP

Studies explore: GLP-1 receptor agonist use and its impact on long-term musculoskeletal health

NEW ORLEANS (March 2, 2026)—The use of glucagon-like peptide-1 receptor agonists (GLP-1 RAs), including semaglutide, has expanded rapidly among patients with obesity and Type 2 diabetes due to the proven benefits in glycemic control, weight loss and cardiometabolic risk reduction. New research presented at the 2026 Annual Meeting of the American Academy of Orthopaedic Surgeons (AAOS) offers a closer look at how these medications may affect musculoskeletal health...

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robotics

Robotic-assisted arthroplasty shows higher patient satisfaction and quality of life for total knee replacement; comparable infection rates to conventional surgery for total hip replacement

NEW ORLEANS (March 2, 2026)—Robotic-assisted total joint arthroplasty (TJA) continues to gain popularity, with the volume of robotic-assisted procedures increasing 601.2% between 2015 and 2020.[i] New research presented at the 2026 Annual Meeting of the American Academy of Orthopaedic Surgeons (AAOS) adds to the growing body of evidence supporting the technology, showing higher patient satisfaction one year after surgery for total knee arthroplasty (TKA) and comparable infection rates between robotic-assisted and conventional total hip arthroplasty (THA)...

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hrt

New study finds early hormone replacement therapy reduces risk of osteoporosis and fractures for older women

NEW ORLEANS (March 2, 2026)—Hormone replacement therapy (HRT) has been shown to reduce bone loss in postmenopausal women, but there is limited research on long-term outcomes in real-world populations. In the largest study to date, researchers looked at the impact of HRT on bone health in more than 137,000 postmenopausal women during a five-year period...

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doctor patient

First-of-its-kind study: Analysis finds prior authorization delays elective spine surgery without cutting costs

NEW ORLEANS (March 2, 2026)—As public and private health plans seek to reduce rising medical costs, requiring prior authorization (PA) for high-cost procedures has become standard. A new study presented at the 2026 Annual Meeting of the American Academy of Orthopaedic Surgeons (AAOS) found that patients with degenerative spine disease had their surgery delayed, resulting in prolonged pain and no cost savings benefit to the payer...

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New research links testosterone therapy with serious health risks after total knee replacement surgery

NEW ORLEANS (March 2, 2026)—Testosterone replacement therapy (TRT) in men and women has soared in recent years, with prescriptions rising from 7.3 million in 2019 to more than 11 million in 2024.1  Now, a large-scale study presented at the 2026 Annual Meeting of the American Academy of Orthopaedic Surgeons (AAOS) points to serious health risks for testosterone users who undergo total knee arthroplasty (TKA)...

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