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¡@¡@¦Ù¦×´î¤Ö¯g (sarcopenia) ¬O²{¥N¦Ñ¦~¤ÆªÀ·|ªºÄY­«½ÒÃD¡C¦ý¬O¡A¦Ù¤O¦Ñ¤Æ¡B¦Ù¦×¥\¯à¤U­°ªºª¬ªp¡A¤~¬O¥X²{¦Ù¦×®e©ö¯h³Ò¡BªÏÅé±±¨î¤£¨Î¡B......µ¥°ÝÃDªº®Ú·½¡A¶i¦Ó³y¦¨¨­Å鬡°Ê­­¨î¡B¦M®`°·±dªº±¡§Î¥X²{¡C¦]¦¹¡AÁA¸Ñ¦Ù¤O¦Ñ¤Æ¡B¦Ù¦×¶q´î¤Ö¤§¶¡ªºÃö³s©Ê¡A±N¦³§U©ó³B²z¦Ù¦×´î¤Ö¯gªº¬ÛÃö°ÝÃD¡A­°§C¥i¯àªº­t­±¼vÅT¡C

¦Ù¤O¦Ñ¤Æ¬O¦Ù¦×´î¤Öªº3­¿¡@¡@Hughesµ¥ (2001) ¦b³Ìªì¥H46¦Ü78·³ªº120¦W (68¦W¤k©Ê¡B¦~ÄÖ60.4 ¡Ó 7.4 ·³¡A52¦W¨k©Ê¡B¦~ÄÖ60.4 ¡Ó 7.9 ·³) ¨ü¸ÕªÌ¬°¹ï¶H¡A¦b9.7¡Ó1.1¦~¤§«á¡A¨k©ÊÅé­«§ïÅÜ -0.1¡Ó4.1 ¤½¤ç¡B¤k©ÊÅé­«§ïÅÜ 1.1¡Ó5.5 ¤½¤ç¡A¦ý¬O¨k©Ê¦Ù¦×¶q (muscle mass) §ïÅÜ -12.9¡Ó15.5 %¡B¤k©Ê¦Ù¦×¶q§ïÅÜ -5.3¡Ó18.2%¡F¦Ù¤Oªº§ïÅܳ¡¤À¡A½¥¦ù¦Ùµ¥³t¦Ù¤O¤U­°14¢H¡A½¥Ãö¸`©}¦Ùµ¥³t¦Ù¤O¤U­°16¢H¡A¤k©Ê¨y¦ù¦Ù©M©}¦Ùµ¥³t¦Ù¤O¤U­°2¢H¡B¨k©Ê«h¤U­°12¢H¡F¦~¬ö¸û¤jªº¨ü¸ÕªÌ§e²{¥X§ó¤jªº¦Ù¤O¤U­°³t«×¡F¨k©Ê»L³¡¦Ù¤O¤U­°²v¤ñ¾îÂ_­±¿n¤U­°²v°ª¬ù60¢H¡C»L³¡¦Ù¤OªºÅܤƻPÅé­«¡B¦Ù¦×¶qªºÅܤÆÅãµÛ¬ÛÃö (¥k¹Ï)¡C¬ã¨sµ²ªGÅã¥Ü¡A¦~ÄÖ¡BÅé­«¡B¦Ù¦×¶q¡B©Ê§Oµ¥¦]¯À³£·|¼vÅT¦Ù¤Oªº¤U­°´T«×¡C

¦Ù¤O¦Ñ¤Æ¬O¦Ù¦×´î¤Öªº3­¿¡@¡@Goodpasterµ¥ (2006) ¥H1880¦W¦Ñ¦~¤H (73.5¡Ó2.8 ·³) ¬°¹ï¶H¡A¤ÀªR¤T¦~«e«áªº¦Ù¦×½è¶q©M¦Ù¦×¤O¶qªºÅܤơA¥Hµ¥³t¦Ù¤O´ú¶q»ö (KinCom dynamometer) ´ú¶q½¥¦ù¦Ù¤O¶q¡A¥HÂù¯àX®g½u§l¦¬´ú©wªk (dual-energy x-ray absorptiometry, DXA) ©M¹q¸£Â_¼h±½´y (computed tomography, CT) µû¦ô²bÅé­«©M¯×ªÕ¶q¡C¬ã¨sµo²{¡A¨k©Ê¦Ù¤O¦Ñ¤Æ´X¥G¬O¤k©Êªº¨â­¿¡A¶Â¤H¤ñ¥Õ¤H¦Ù¤O¦Ñ¤Æ¦h28¢H¡A»L³¡¦Ù¤O¨C¦~¤U­°²v¥Õ¤H¨k©Ê¬°3.4%¡B¶Â¤H¨k©Ê¬°4.1%¡B¥Õ¤H¤k©Ê¬°2.6%¡B¶Â¤H¤k©Ê¬°3.0%¡A¤j¬ù¬O»L³¡¦Ù¦×¶q´î¤Öªº¤T­¿ (»L³¡¦Ù¦×¶q¨C¦~´î¤Ö1%)¡CÁöµM¦Ù¦×¶qªº´î¤Ö»P¦Ñ¦~¤H¦Ù¤Oªº¤U­°¦³Ãö¡A¦ý¬O¦Ù¤Oªº¤U­°¤ñ¦Ù¦×¶q´î¤Ö­n§Ö±o¦h¡C

¦Ù¤O¦Ñ¤Æ¬O¦Ù¦×´î¤Öªº3­¿¡@¡@Delmonicoµ¥ (2009) °w¹ï1678¦W¦Ñ¦~¤H (813¦W¨k©Ê¡B¦~ÄÖ73.6¡Ó2.8 ·³¡A865¦W¤k©Ê¡B¦~ÄÖ73.2¡Ó2.9 ·³)¡A¶i¦æ¤­¦~ªºÁa¦V¬ã¨s¡C¬ã¨sµo²{¨k©ÊªÑ¥|ÀY¦Ù¤O¯x (muscle torque, MT) ¤U­°16.1¢H¡B¤k©Ê«h¤U­°13.4¢H¡F¤£ºÞ¨k©Ê©Î¤k©Ê¡AÅé­«´î»´ªÌMTªº¤U­°´T«×¤j©óÅ魫í©wªÌ»PÅé­«¼W¥[ªÌ¡CÅé­«´î»´ªÌ©MÅ魫í©wªÌªºªÑ¥|ÀY¦ÙMT¤U­°¤ñ¾îÂ_­±¿n (quadriceps muscle area, QMA) ¤U­°¤j2-5­¿¡CÅé­«´î»´½T¹ê·|¼W¥[¦Ù¤Oªº¦Ñ¤Æ´T«×¡A´NºâÅé­«¼W¥[¤F¡A¤]µLªkªý¤î¦Ù¤Oªº¦Ñ¤Æ¡C

¡@¡@Marcellµ¥ (2014) °w¹ï¸g±`­@¤O¶]¬°¥D­n¹B°Ê¼Ò¦¡ªº59¦W¨k©Ê (¬ã¨s¶}©l®É¦~ÄÖ58.6¡Ó7.3·³) ©M35¦W¤k©Ê (56.9¡Ó8.2·³)¡A¶i¦æ4.8¦~ªº¦Ù¦×¤O¶qÁa¦V¤ÀªR¡C¬ã¨sµo²{½¥Ãö¸`¦ù®iµ¥ªø¦Ù¤O¨C¦~¤U­°5¢H¡B½¥Ãö¸`©}¦±µ¥ªø¦Ù¤O¨C¦~¤U­°3.6¢H¡A¦ý¬O³o¨Ç«D±`¬¡ÅDªº¦Ñ¦~¨k©Ê»P¤k©Ê¨Ã¨S¦³´î¤Ö²bÅé­«¡C¬ã¨sÅã¥Ü¡A³æ¿W¶]¨B°V½m¨Ã¤£¨¬¥H¨¾¤î¦Ù¤O¦Ñ¤Æ¡Aªý¤O°V½m¦b°·¨­­p¹º¤¤¬O«D±`­«­nªº²Õ¦¨¡C

¡@¡@¤¤¦Ñ¦~¤Hªº¦Ù¤O¦Ñ¤Æ¤ñ¦Ù¦×¶q´î¤Ö§óÄY­«¡C¤@¯ë¨Ó»¡¡A¦Ù¦×¶q¨C¦~´î¤Ö1%¡A¦Ù¤O¨C¦~´î¤Ö2-5% (¦Ù¤O¦Ñ¤Æ¬O¦Ù¦×¶q´î¤Öªº2-5­¿)¡CÅé­«´î¤ÖªÌ¡BÅ魫í©wªÌªºªº¦Ù¤O¦Ñ¤Æ¤ñÅé­«¼W¥[ªÌ¨ã³Æ§ó¤jªº¦Ù¤O¦Ñ¤Æ¡C¸g±`¶]¨B°V½mªº¤¤¦Ñ¦~¤H¡A´Nºâ¨S¦³¦Ù¦×¶q´î¤Öªºª¬ªp¥X²{¡A¦Ù¤O¤´µM¥i¯à¨C¦~¤U­°3-5%¡C¬°¤F¸Ñ¨M¦Ù¤O¦Ñ¤Æªº°ÝÃD¡A¾A·í¶i¦æªý¤O°V½m¡A¬O¤@¯ëªÀ·|¤j²³¥²­nªº°·±d¤â¬q¡C

¤Þ¥Î¤åÄm

Delmonico, M. J., Harris, T. B., Visser, M., Park, S. W., Conroy, M. B., Velasquez-Mieyer, P., Boudreau, R., Manini, T. M., Nevitt, M., Newman, A. B., & Goodpaster, B. H. (2009). Longitudinal study of muscle strength, quality, and adipose tissue infiltration. The American Journal of Clinical Nutrition, 90(6), 1579-1585.

Goodpaster, B. H., Park, S. W., Harris, T. B., Kritchevsky, S. B., Nevitt, M., Schwartz, A. V., Simonsick, E. M., Tylavsky, F. A., Visser, M., & Newman, A. B. (2006). The loss of skeletal muscle strength, mass, and quality in older adults: the health, aging and body composition study. The Journals of Gerontology: Medical Sciences, 61(10), 1059-1064.

Hughes, V. A., Frontera, W. R., Wood, M., Evans, W. J., Dallal, G. E., Roubenoff, R., & Singh, M. A. F. (2001). Longitudinal muscle strength changes in older adults: influence of muscle mass, physical activity, and health. The Journals of Gerontology: Biological Sciences, 56(5), B209-B217.

Marcell, T., Hawkins, S., & Wiswell, R. (2014). Leg strength declines with advancing age despite habitual endurance exercise in active older adults. Journal of Strength and Conditioning Research, 28(2), 504-513.

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