Treatment of osteochondral injuries of the humeral head using fresh osteochondral allograft transplantation.

Background: Large osteochondral lesions of the humeral head can result from locked posterior dislocations, avascular necrosis, and osteochondritis dissecans. Fresh osteochondral allograft (OCA) transplantation is a treatment option for young patients with focal osteochondral defects of the humeral head. The purpose of this case series was to assess graft survivorship, subjective patient-reported outcomes, and satisfaction among 7 patients who underwent OCA transplantation of the humeral head.

Participation in Sports or Recreational Activities After Osteochondral Allograft Transplantation of the Talus.

Background: Fresh osteochondral allograft (OCA) transplantation is a viable treatment option for osteochondral defects of the talus. However, sufficient data are not available on patients' participation in sports or recreational activities after the procedure.

Purpose: To assess whether patients undergoing OCA transplantation of the talus participated in sports or recreational activities postoperatively.

Evolution of the throwing shoulder: why apes don't throw well and how that applies to throwing athletes.

Background: Humans have unique characteristics making us the only primate that can throw well while most other primates throw predominately underhand with poor speed and accuracy. The purpose of this study is to illuminate the uniquely human characteristics that allow us to throw so well. When treating an injury such as a labral tear or capsule tear, this study hopes the reader can gain a better understanding of the issues that lead to the tear and those that may determine the success of treatment besides the actual repair.