Motion analysis of throwing Boccia balls in children with cerebral palsy.

uTaipei > School of Sports > Graduate Institute of Sports Equipment Technology > Periodical Articles > Item 987654321/12888

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Title:	Motion analysis of throwing Boccia balls in children with cerebral palsy. 腦性麻痺兒童地板滾球投擲之動作分析
Authors:	Huang PC;Pan PJ;Ou YC;Yu YC;Tsai YS;蔡鏞申
Keywords:	Biomechanics;Control;Movement
Date:	2013-12
Issue Date:	2014-12-15 16:43:54 (UTC+8)
Abstract:	Boccia is a sport suitable for children with cerebral palsy (CP). Throwing Boccia balls requires upper extremity and torso coordination. This study investigated the differences between children with CP and normally developed children regarding throwing patterns of Boccia balls. Thirteen children with bilateral spastic CP and 20 normally developed children participated in this study. The tests in this study were a pediatric reach test and throwing of Boccia balls. A 3D electromagnetic motion tracking system and a force plate were synchronized to record and analyze biomechanical parameters of throwing Boccia balls. The results of the pediatric reach test for participants with CP were significantly worse than those for normally developed participants. The 2 groups of participants did not significantly differ regarding the distance between a thrown Boccia ball and a target ball (jack). Participants with CP demonstrated significantly longer movement duration, smaller amplitude of elbow movement, greater amplitudes of shoulder abduction and flexion, slower maximal velocity of torso flexion and the linear velocity of moving the wrist joint forward, faster maximal velocity of head flexion, and smaller sway ratio compared with normally developed participants when throwing Boccia balls. Participants with CP seemed to mainly use head and shoulder movements to bring the Boccia balls forward with limited torso movement. Normally developed participants brought the Boccia ball forward with faster torso and greater elbow movement while stabilizing head and shoulder movements. Nevertheless, participants with CP did not demonstrate significantly worse performance in the throwing accuracy of Boccia balls. 地板滾球(Boccia)是一項適合腦性麻痺兒童參與的運動，投擲時需要上肢與軀幹動作的協調。本研究探討腦性麻痺兒童與正常發展兒童在地板滾球投擲時動作上的差異。十三名腦性麻痺兒童與20名正常發展兒童參與本研究。研究測驗包含兒童伸手測驗與地板滾球投擲兩部份。使用三維磁力追蹤動作分析系統與測驗板同步整合測量及分析參與兒童之地板滾球投擲動作。兒童伸手測驗結果顯示腦性麻痺兒童的平衡能力較正常發展兒童差。兩組兒童在地板滾球投擲球與目標球之間的距離並無統計上的差異。和正常發展兒童比起來，腦性麻痺兒童在地板滾球投擲時有較長的投擲動作時間，較小的手肘關節動作幅度，較大的肩關節外展及彎曲動作幅度，較慢的軀幹彎曲最大速度及較慢的腕關節最大向前線性速度，較快的頭部彎曲最大速度，以及較小的重心前後移動距離除以左右移動距離的比例。腦性麻痺兒童似乎主要以頭部及肩關節的動作將地板滾球帶向前投擲出去，限制軀幹的動作來穩住身體。正常發展兒童則是以較快的軀幹彎曲速度及較大的肘關節動作幅度將球送出去，同時穩定頭部及肩關節的動作。除此之外，腦性麻痺兒童在地板滾球投擲的準確度上，並沒有顯著的比正常發展而同來得差。
Relation:	Res Dev Disabil，35(2)，393-9.
Appears in Collections:	[Graduate Institute of Sports Equipment Technology] Periodical Articles

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