Background Musculoskeletal (MSK) conditions are common, and their burden on the healthcare system is increasing as the general population ages. It is essential that medical students be well prepared to evaluate and treat MSK disorders in a confident manner as they enter the workforce. Recent studies and the American Association of Medical Colleges have raised concern that medical schools may not give sufficient instruction on this topic. Other authors have shown that preclinical instruction has increased over the past decade; however, it is unclear if required clinical instruction also has followed that trend. Questions/purposes The purposes of this study were: (1) to assess the presence and duration of required or selective instruction in a MSK medicine specialty within the clinical years of undergraduate medical education; and (2) to assess the current state of requirements of clinical clerkships or rotations in other surgical and nonsurgical fields for comparison with the initial findings.Methods The web sites of all 141 US medical schools were assessed to determine the content of their clinical curricula for the 2014-2015 academic year; five were excluded because they had not yet had a graduating class by the conclusion of the 2014-2015 academic year. Complete information on required rotations was obtained through the schools' web sites for all 136 (100%) medical schools. For selective experience during the surgery clerkships, complete information was available for 130 of the remaining 136 (96%) web sites. Results Mean (in weeks, ± SD) duration of core clerkships were as follows: internal medicine (10 ± 2), surgery (8 ± 2), pediatrics (7 ± 1), obstetrics/gynecology (6 ± 1), and psychiatry (5 ± 1). Other common required clerkships were: family medicine (required in 96% [131 of 136] of schools, mean duration of 6 ± 2 weeks), neurology (81% [110], 4 ± 1), and emergency medicine (55% [75], 3 ± 1). Required MSK instruction, at a mean of 2 ± 1 weeks, was only present in 15% (20 of 136) of medical schools. In addition, clinical MSK instruction was offered as a selective (eg, students pick from a selection of subspecialties such as orthopaedics, plastics, or urology during a general surgery clerkship) in 34% (44 of 130) of all medical schools. This is less than other non-core specialties: geriatrics/ambulatory care (required in 40% [54 of 136] of schools, mean duration of 3 ± 1 weeks), critical care (30% [41], mean of 3 ± 1 weeks), radiology (26% [35], mean of 3 ± 1 weeks), anesthesiology (23% [31], mean of 2 ± 1 weeks), and other surgical subspecialties (19% [26

Purpose Parathyroid hormone (PTH) 1-34 is known to enhance fracture healing. Tendon repair is analogous to bone healing in its dependence on the proliferation and differentiation of mesenchymal stem cells, matrix formation, and tissue remodeling.1-3 We hypothesized that PTH 1-34 enhances tendon healing in a flexor digitorum longus (FDL) tendon repair model. Methods C57Bl/6J mice were treated with either intraperitoneal PTH 1-34 or vehicle-control (PBS). Tendons were harvested at 3-28 days for histology, gene expression, and biomechanical testing. Results The metatarsophalangeal joint range of motion was reduced 1.5-2-fold in PTH 1-34 mice compared to control mice. The gliding coefficient, a measure of adhesion formation, was 2-3.5-fold higher in PTH 1-34 mice. At 14 days post-repair, the tensile strength was 2-fold higher in PTH 1-34 specimens, but at 28 days there were no differences. PTH 1-34 mice had increased fibrous tissue deposition that correlated with elevated expression of collagens and fibronectin as seen on quantitative PCR. Conclusions PTH 1-34 accelerated the deposition of reparative tissue but increased adhesion formation.

Although silicone radial head arthroplasty has been successful in many patients, it has been associated with complications such as fractures of the prosthesis and silicone synovitis. Synovectomy and removal of the failed silicone radial head, with or without reimplantation of a metallic radial head, is indicated in such complications. In an effort to perform minimally invasive surgery, we performed arthroscopic removal of the silicone head combined with synovectomy in a series of such patients. The silicone prostheses were cut into two or three pieces and then removed. After a median follow up of 26 months, all patients reported excellent pain relief and there were no residual loose bodies. Removal of a failed silicone radial head can be successfully performed arthroscopically. This arthroscopic technique has the advantage of being minimally invasive and can be combined with other procedures including capsulectomy, if necessary.

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This study reveals that participation in a clinical elective is the only factor that led to a significant increase in musculoskeletal knowledge in fourth-year medical students. A two-week clinical elective can be sufficient time to have an impact on musculoskeletal knowledge, but it alone does not increase clinical confidence. Further studies are needed to determine how to improve musculoskeletal clinical confidence.