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¡@¡@³Ìªñ¦]¬°¤@¨Ç¾÷½t¥i¥H¸ò«Ü¦h¤H«Å¶Ç°ª±j«×¹B°Ê¸ò­«¶q°V½mªº¦n³B¡A¦ý¨Æ¹ê¤W¤]µo²{¤j®a¨ä¹ê¹ï©ó¦Ù¦×ªº¹B°Ê¥Í²z»P¦Ñ¤Æ»{ÃÑ¬Û·í¦³­­¡A¨Æ¹ê¤W¦Ñ¤Æ¾É­P¦Ù¦×ÅÖºû¾îÂ_­±¿n (cross-sectional area, CSA) ªº´î¤Ö¸ò¦~»´¤H¤ñ°_¨Ó¡A´X¥G¥D­n³£¬Oµo¥Í¦b¤G«¬ (type II) ¦Ù¦×ÅÖºû (§ÖÁY¦Ù) ªº­±¿n¡A¦p¤U¹Ï¡A¦U¦ì¥i¥Hµo²{¤@«¬ (type I) ¦Ù¦×ÅÖºû (ºCÁY¦Ù) ªº¾îÂ_­±¿n¡A¦b¦~»´¤H¸ò°ªĄ֪̈­¤W¨Ã¨S¦³ÅãµÛ®t²§¦s¦b¡C

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¡@¡@¦Ó¼vÅT¦Ù¦×ÅÖºû¦X¦¨»P­×´_ªº½Ã¬P²Ó­M (satellite cells, SC) ¼Æ¶q¨ü¨ì¦Ñ¤Æ¼vÅTªº³¡¤À¡A¤]¥D­n¬Oµo¥Í¦b¤G«¬¦Ù¦×ÅÖºû¡A¦p¤U¹Ï¡A©Ò¥H®Ú¾Ú³o¨â­Ó¬ã¨sªºÀË´úµ²ªG¡A¥i¥H¤F¸Ñ¨ì¦Ù¤Ö¯g³Ì¼@¯P¼vÅTªºÀ³¸Ó¬Oµo¥Í¦b¤G«¬¦Ù¦×ÅÖºûªº­±¿n¤W¡C

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¦~»´¤H»P¦Ñ¦~¤HI«¬¡BII«¬¦ÙÅÖºû½Ã¬P²Ó­M¼Æ¶qªº¤ñ¸û (Verdijkµ¥¡A2007)

¡@¡@®Ú¾Ú¦Ù¦×¯«¸g©Û¶Òªº¤j¤p­ì«h¡A¦p¤U¹Ï¡A¤G«¬¦Ù¦×ÅÖºû»Ý­n¦b¤¤°ª±j«×ªº°V½m¤U¤~·|³Q¨ë¿E (<15RM)¡A³o¤]¬O§Ú­Ì¤@¯ë¤H¦b¤é±`¥Í¬¡¤¤¤Ö¥Î¨ìªº±j«×¡A§Ú­Ì¤é±`¥Í¬¡¤¤¤j³¡¤Àªº¨­Å鬡°Ê©Ò©Û¶Òªº¦Ù¦×ÅÖºû¦h¬O¤@«¬¦Ù¦×ÅÖºû¡C

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(Kraemer & Looney, 2012)

¡@¡@©Ò¥H­±¹ï°ªÄ֤ƪºªÀ·|¡A¦Ù¤Ö¯gªº°ÝÃD¡A§Ú­ÌÀ³¸Ó¦p¦ó­±¹ï? ¬O§¤µÛ¥Î§C±j«×¶i¦æ¦Ù­@¤O°V½m¡AÁÙ¬O¯¸µÛ¥Îº¥¶i¶W­t²üªº¤è¦¡Åý°V½m±j«×´£¤É¡A¯u¥¿Åý°ªÄ֪̥i¥H±j¤Æ¤UªÏ»L³¡¦Ù¦×¡B¦Óºû«ù¿W¥ß¥Í¬¡ªº¯à¤O¡H

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¤Þ¥Î¤åÄm

Kraemer, W. J., & Looney, D. P. (2012). Underlying mechanismsand physiology of muscular power. Strength and Conditioning Journal, 34(6), 13-19. 

Nilwik, R., Snijders, T., Leenders, M., & Groen, B. B. (2013). The decline in skeletal muscle mass with aging is mainly attributed to a reduction in type II muscle fiber size. Experimental Gerontology, 48(5), 492-498.

Verdijk, L. B., Koopman, R., Schaart, G., Meijer, K., Savelberg, H. H., & van Loon, L. J. (2007). Satellite cell content is specifically reduced in type II skeletal muscle fibers in the elderly. American Journal of Physiology-Endocrinology and Metabolism, 292(1), E151-157.

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