力量和耐力训练运动员足底屈肌的收缩特性。

M Pääsuke, J Ereline, H Gapeyeva
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引用次数: 32

摘要

这项研究比较了三组12人的足底屈肌收缩特性:耐力和力量训练的运动员和未经训练的受试者。用持续时间为1ms的最大方波脉冲刺激胫骨后神经。力量训练的运动员有更高的最大抽动力、最大力量发展和放松率以及最大自主收缩力(MVC)。训练组抽动最大力:MVC力比小于未训练组,抽动收缩和半松弛时间短于未训练组,两组间差异无统计学意义。因此,与未经训练的受试者相比,运动员诱发抽搐的时间短似乎与训练类型无关。结果表明,力量训练比耐力训练更能明显提高肌肉的发力能力和收缩、放松速度。
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Twitch contractile properties of plantar flexor muscles in power and endurance trained athletes.

This study compared twitch contractile properties of plantar flexor muscles among three groups of 12 subjects each: endurance and power trained athletes and untrained subjects. The posterior tibial nerve was stimulated by supramaximal square wave pulses of 1-ms duration. Power trained athletes had higher twitch maximal force, maximal rates of force development and relaxation and also maximal voluntary contraction (MVC) force. The trained subjects had a smaller twitch maximal force: MVC force ratio and shorter twitch contraction and half-relaxation times than the untrained subjects with no significant differences between the two groups. Thus, the short time for evoked twitches in the athletes compared to the untrained subjects would seem unrelated to the type of training. It is concluded that power training induces a more evident increase of muscle force-generating capacity and speed of contraction and relaxation than endurance training.

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