20xx年醫(yī)學(xué)專題—肌細(xì)胞的收縮功能-(2)資料(編輯修改稿)
2024-11-14 12:03 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 (shōu suō)的生物力學(xué),第二十二頁(yè)，共三十六頁(yè)。,第二十三頁(yè)，共三十六頁(yè)。,isometric contraction 等長(zhǎng)收縮(shōu suō) Tension in the muscles increases The muscle is unable to shorten isotonic contraction 等張收縮 Myofilaments are able to slide past each other during contractions The muscle shortens,第二十四頁(yè)，共三十六頁(yè)。,Preload,Preload,Initial length,Single twitch tension is determined by length of sarcomere,第二十五頁(yè)，共三十六頁(yè)。,Afterload,第二十六頁(yè)，共三十六頁(yè)。,第二十七頁(yè)，共三十六頁(yè)。,Energy for Muscle Contraction,Slide 6.26b,Copyright 169。 2003 Pearson Education, Inc. publishing as Benjamin Cummings,Anaerobic glycolysis (continued) This reaction is not as efficient, but is fast Huge amounts of glucose are needed Lactic acid produces muscle fatigue,Figure 6.10b,第二十八頁(yè)，共三十六頁(yè)。,Energy for Muscle Contraction,Slide 6.25,Copyright 169。 2003 Pearson Education, Inc. publishing as Benjamin Cummings,Aerobic Respirat
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