[Purpose] This study's purpose was to identify abduction angles of the shoulder joint that can provide effective infraspinatus muscle exercises while minimizing the muscle activity of the posterior deltoid muscle. [Subjects and Methods] The subjects of this study were 15 healthy young students in their 20s. Subjects adopted a standing position and performed shoulder external abduction while pus...

Definition.-A diagnosis of peri-arthritis of the shoulder is made when a patient exhibits pain in the region of the shoulder and limited mobility of the joint, apparently of spontaneous onset or following slight injury. The x-ray appearances may show either nothing abnormal or calcific deposits in the capsule or periarticular tissue. This syndrome is not a disease sui generis, since the underly...

INTRODUCTION Fatal pulmonary embolism following a shoulder joint replacement is a rare event. The exact prevalence of shoulder arthroplasties is not clear. Unlike hip and knee joint replacements where some form of thromboprophylaxis is routinely prescribed, no such guidelines and practice exist for shoulder replacements. Other case reports have confirmed fatal and non-fatal pulmonary embolisms ...

synovial chondromatosis affecting the glenohumeral joint is rare. treatment primarily consists of arthroscopic loose body removal and synovectomy. shoulder arthroplasty has been mentioned in the literature as a treatment option for patients with coexisting arthritis, although the results have been underreported. the case of an 84-year-old man with long standing synovial chondromatosis of the sh...