| （1.西安体育学院，陕西 西安 710068；2.华南师范大学 体育科学学院，广东 广州 510006） 摘 要：通过运用MEGAWIN 12导肌电测试仪，对现阶段我国3名优秀女子铁饼运动员的整个投掷技术过程中左右对称的8块肌肉进行了生物电测试，结果发现，孙太凤下肢肌肉力量好，腰腹肌力量差；宋爱民整个肌肉力量小，特别是腰腹肌力量，但肌肉积分速率较快，肌肉之间的协同用力程度高；李艳凤肌肉力量大，放电速率慢，各块肌肉之间的协同用力程度差。 |
DONG Hai-jun1，2，SU Ming-li1，WANG Kun1
| （1.Xi’an University of Physical Education，Xi’an 710068，China； 2.School of Physical Education，South China Normal University，Guangzhou 510006，China） Abstract: By using MEGAWIN 12 myoelectricity tester, the authors did a bioelectricity test on 8 left-right symmet-rical muscles in the entire technical process throwing by 3 excellent female discus throwers in China today, and re-vealed the following findings: SUN Tia-feng had good lower limb muscle strength, but poor lumbar and abdominal muscle strength; SONG Ai-min had weak overall muscle strength, especially lumbar and abdominal muscle strength, but a faster muscle integration rate, and a high degree of coordinated power exertion between muscles; LI Yan-feng had powerful muscle strength, but a low discharge rate, and a poor degree of coordinated power exertion between various muscles. |
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