Clinical and radiological outcomes between superior capsule reconstruction using allografts or xenografts: a 2-year retrospective comparison study.

Background: Treating symptomatic, massive, irreparable rotator cuff tears remains challenging and controversial. Superior capsule reconstruction (SCR) using the tensor fascia lata has shown promising clinical results; however, due to donor site morbidity, interest in SCR using other grafts has increased. Yet, no studies have compared allografts with xenografts.

Atelocollagen Injections Improve Outcomes in the Nonsurgical Treatment of Grade III Medial Collateral Ligament Injuries.

Background: The purpose of this study was to evaluate the clinical outcomes of atelocollagen injections in isolated grade III medial collateral ligament (MCL) injuries of the knee joint.

Methods: A total of 50 participants were included in this retrospective study. Twenty-six patients underwent conservative treatment with a single atelocollagen injection, while the remaining patients underwent only typical conservative treatment.

Latarjet procedure without capsular repair produces favorable clinical results and avoids limitation in external rotation.

Purpose: This study aimed at analyzing the range of motion (ROM) and other clinical outcomes in patients with > 20% glenoid bone loss who underwent the Latarjet procedure with or without anterior capsule repair.

Methods: This retrospective study included 47 patients with > 20% glenoid bone loss who underwent the classic Latarjet procedure from 2016 to 2021. Of these, 25 did not undergo capsular repair (no-capsular-repair group; group I) whereas 22 patients did (capsular-repair group; group II).

Epidemiologic Study of Shoulder Injuries in the PyeongChang 2018 Winter Olympic Games.

Background: The purpose of this study is to describe and analyze the shoulder injuries in elite athletes during the 2018 Winter Olympics in Pyeongchang.

Methods: To collect the data of all Olympic athletes who visited venue medical centers, polyclinics, and Olympic-designated hospitals for shoulder injuries during the Olympic Games (February 9 through 25, 2018), we reviewed Olympic electronic medical records and patient information obtained from Olympic medical service teams about athletes who complained of shoulder pain.

Results: During the Olympics, a total of 14 athletes visited clinics for shoulder-related symptoms.

Effects of short malunion of the clavicle on in vivo scapular kinematics.

Background: Short malunion of the clavicle after fracture can change scapular kinematics and alter clinical outcome. However, the effects of malunion on kinematics and outcomes remains poorly understood because there have been no in vivo studies measuring changes during active motion with malunion. This study aimed to measure and to compare in vivo 3-dimensional (3D) scapular kinematics between normal shoulders and shoulders with short malunion using 3D-2-dimensional model image registration techniques.

Comparison of dynamics in 3D glenohumeral position between primary dislocated shoulders and contralateral healthy shoulders.

Backgrounds: After shoulder dislocation, kinematic changes in shoulder, including translation of the humeral head, ensue. There have been many attempts to measure these changes using motion measurement techniques, but in vivo three-dimensional (3D) glenohumeral changes have not been appreciated until now. The purpose of this study was to measure and analyze changes in glenohumeral translation in patients with shoulder dislocation and compare these changes with healthy shoulder.

Comparison of 2 Different Exercise Approaches: Tai Chi Versus Otago, in Community-Dwelling Older Women.

Background And Purpose: Regular exercise can delay age-related risk factors and can maintain or improve physical health and activity in older adults leading to a decrease in fall risk. The purpose of this study was to compare 2 different interventions for fall prevention, tai chi (TC) and Otago, by examining lower extremity strength, balance, and spatiotemporal gait parameters in community-dwelling older women.

Methods: We performed a randomized trial in which subjects were assigned to 1 of 2 groups: the TC group (n = 21; age, 72.