Dynamic testing of volleyball players' body posture using a formetric 3D device

IF 1.6 Q4 ENGINEERING, BIOMEDICAL Biosurface and Biotribology Pub Date : 2020-11-24 DOI:10.1049/bsbt.2020.0008
Jianhua Ying, Feng Ren, Gusztáv Fekete
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引用次数: 3

Abstract

Volleyball activities involve several factors such as asymmetrical movements, muscle imbalance, and continual overloading that damage body posture. This study aimed to determine postural changes of volleyball players in spike overhand front set, overhand pass ball, and mat ball motions, and if there is any postural variation difference between short training and long training volleyball players. Methods: Fifteen long training and short training male volleyball players aged 21–23 years were recruited in this study. The upper-thoracic angle, thoracic-lumbar segment angle, lower lumbar-sacral segment, pelvic inclination, and inclination of the acromion were measured using DIERS formetric 3D device in a dynamic way. During the overhand pass motion, long training participants showed a significant larger peak upper-thoracic and peak thoracic-lumbar angles than short training participants. During the mat ball motion, the long training volleyball players demonstrated a significant higher peak upper-thoracic angle, but a smaller peak inclination of the acromion than short trainers. During the spike overhand front set motion, long trainers showed a significant smaller peak upper-thoracic angle than short trainers. Athletes should consider developing an appropriate dynamic trunk stabilization to reduce posture imbalance during volleyball activities.

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利用形式化三维装置对排球运动员身体姿势进行动态测试
排球活动涉及几个因素,如不对称的动作,肌肉不平衡,持续的负荷,损害身体姿势。本研究旨在了解排球运动员扣球、手前接、手传球、垫球动作的体位变化,以及短练与长练排球运动员的体位变化是否有差异。方法:选取15名21 ~ 23岁的长、短训练男子排球运动员为研究对象。采用DIERS三维测量仪动态测量上胸椎角、胸腰椎段角、下腰骶段角、骨盆倾角、肩峰倾角。在上手传球运动中,长时间训练的参与者表现出明显大于短时间训练参与者的上胸椎和胸腰椎角峰值。在垫球运动中,长时间训练的排球运动员的上胸角峰值明显高于短时间训练的运动员,而肩峰倾角峰值明显小于短时间训练的运动员。在扣球上手前置动作中,长训练者的上胸角峰值明显小于短训练者。运动员应考虑发展适当的动态躯干稳定,以减少排球活动中的姿势不平衡。
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来源期刊
Biosurface and Biotribology
Biosurface and Biotribology Engineering-Mechanical Engineering
CiteScore
1.70
自引率
0.00%
发文量
27
审稿时长
11 weeks
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