지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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This study was designed to assess the changes in range of motion with increasing age in youth baseball players. For this study, 79 athletes with no problem physically were included. We divided them into 3 groups(G1; Middle school, 13.4±0.9yrs, G2; High school 16.9±0.9yrs, G3; University, 20.0±1.1yrs). We tested both dominant and non-dominant upper limbs for range of motion including internal and external rotation of shoulder joint, flexion and extension of elbow joint, pronation and supination of forearm. We analyzed the data using one-way ANOVA to know difference of ROM among groups using SPSS 13.0 for windows. The results demonstrated that internal rotation of shoulder joint was significant lower in G3 than G2(p=.006), but these was decrease with increasing ages in range of ER(p=.384). The elbow ROM was lower in G3 than the G1(p=.039). And, in ROM of dominant forearm pronation was significantly different in all groups. Therefore, We concluded the ROM was higher in dominant upper limb than the non-dominant one and the ROM of joints decreased with increasing age in baseball players.
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