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<section data-role="paragraph" data-color="rgb(182, 228, 253)" data-custom="rgb(182, 228, 253)"><section><section><section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><section><section><p><p><img src="image/20201014/86b79d371e9862b01189f0252a03b2cd_1.png" /></p></p></section><section><section><span><strong></strong></span></section><p><span>医疗器械媒体报道先锋</span></p><p><span>分享专业医疗器械知识</span></p></section><section><section><section>关注</section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section><p><strong><span>来源:</span></strong></p><p><strong><span><br /></span></strong></p><p>健身房的你挥汗如雨却还是苦恼吸引不到她的目光?或许你该了解一下人体解剖学中的肌学。人体的肌(muscle)可分为骨骼肌、平滑肌和心肌,躯体与内脏的运动都是以肌的收缩和舒张为动力。平滑肌主要分布于空腔器官的壁内,如胃、肠、血管和输尿管等;心肌为心脏所持有;骨骼肌是运动系统的肌,因附于骨骼上而得名。骨骼肌有少数附着于皮肤的,称皮肌。骨骼肌可受意识控制的,也称随意肌。在神经系统的支配下骨骼肌收缩,以关节为枢纽牵拉骨产生运动。如果支配骨骼肌的神经损伤,则可引起该肌瘫痪。健身就是通过对肌肉进行针对性训练,从而练出“玲珑浮凸”的肌肉线条。</p><p><br /></p><p><iframe src="https://v.qq.com/iframe/player.html?width=500&height=375&auto=0&vid=z0842kfpox9&auto=0" width="100%" height="580" frameborder="0"></iframe></p><p><br /></p><p><strong><span>本文视频来源网络,出于科普目的转载。</span></strong><br /></p><section data-id="1658"><section><section><section data-id="1658"><section><section><section data-id="1658"><section><section><section data-id="1658"><section><section><p><span><strong>相关阅读</strong></span></p></section><p><p><img src="image/20201014/ec237188ae1e9c03eb4d9814f31b18ab_2.gif" /></p></p><p><br /></p><p><span>为什么得了关节炎,医生却让我去打支玻尿酸?</span><br /></p><p><br /></p><p><span>科普视频|你知道吗?你的骨头其实是活的!</span><br /></p><p><br /></p><p><span>他革新了解剖学,使外科手术变成可能,让续命有了新方式</span><br /></p><p><br /></p><p><span>80年代的解剖立体书,比切开的人体还精确</span><br /></p></section></section></section></section></section></section></section></section></section></section></section><p><br /></p><p><span><strong><span><p><img src="image/20201014/225eae26a91575de7508aebe3e999278_3.jpg" /></p></span></strong></span></p>
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