PURPOSE: This study aimed to verify the differences in shoulder range of motion (ROM) and dynamic stability in the upper extremities depending on the playersโ ages and frequency of sports injuries in the shoulder joint.METHODS: A total of 519 volleyball players enrolled in the Korea Volleyball Association and Korean Volleyball Federation participated in this study. All participants answered questions about their experiences of sports-related shoulder injuries and were then categorized into shoulder-injured and non-injured groups. Shoulder ROM (flexion/extension and internal/external rotation) and upper quarter Y-balance (YBT-UQ) were tested by trained examiners. The YBT-UQ was normalized to the arm length (%AL) of the players.RESULTS: Among elementary and middle school players, the shoulder-injured group had lower internal rotation than the non-injured group. In addition, elementary school players with a history of shoulder injuries performed worse in the YBT-UQ test. Regardless of their history of shoulder injury, older patients tended to have decreased shoulder flexion and extension. In the injured group, younger players had lower internal rotation of the shoulder.CONCLUSIONS: These results showed that player age should be considered for rehabilitation to prevent shoulder sports-related injuries in volleyball players.
PURPOSE: This study aimed to verify the effect of 8-week Pilates and core stability exercises on bone mineral density (BMD) and risk of falls in older adult women. METHODS: A total of 49 healthy women over 60 years of age were randomly classified into three groups: Pilates exercise group (PG, n=17), core stability exercise group (CSG, n=17), and control group (CON, n=12). Pilates and core stability exercise programs were applied in each group for 8 weeks. Before and after the two exercise programs, BMD, Tinetti Performance Oriented Mobility Assessment (Tinetti POMA), and balance ability were measured.RESULTS: There were no differences in BMD among the three groups depending on the application of the exercise program. The balance scores of the Tinetti POMA and total Tinetti POMA scores in both the PG and CSG were higher after the 8-week exercise program. In particular, the gait score of the Tinetti POMA in the PG was higher than that in the CSG. Static and dynamic balance abilities improved in both the PG and CSG.CONCLUSIONS: These results suggest that Pilates and core stability exercises can be effective for improving balance ability, leading to the prevention of falls in older adult women.
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