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Claw Toe: Individuals with chronic ankle instability exhibit altered ankle kinematics and neuromuscular control compared to copers during inversion single leg landing
±Û¾´ÀÌ : °ü¸®ÀÚ ³¯Â¥ : 2022-11-07 (¿ù) 12:48 Á¶È¸ : 1475

Claw Toe: Individuals with chronic ankle instability exhibit altered ankle kinematics and neuromuscular control compared to copers during inversion single leg landing

Takaya Watabe 1, Tomoya Takabayashi 2, Yuta Tokunaga 3, Masayoshi Kubo 4

Phys Ther Sport. 2021 May;49:77-82.

 

 

¸ñÀû: Á¤»óÂøÁö¿Í inversion single legÂøÁö½Ã, ¸¸¼º ¹ß¸ñ ºÒ¾ÈÁ¤¼º(CAI), coper ¹× ´ëÁ¶±ºÀÇ ¹ß¸ñ ¿îµ¿ÇÐ ¹× ±ÙÀ° È°µ¿À» ºñ±³Çغ»´Ù.

 

¹æ¹ý: CAI¼ºÀÎ(N = 12);  copers(N = 12) ¹× ´ëÁ¶±º(N = 12), ÃÑ 3 ±×·ì.

Á¤»óÂøÁö¿Í inversion single legÂøÁö½Ã, tibialis anterior, medial gastrocnemius, fibularis longus (FL) 3°³ÀÇ ±ÙÀ° activity¸¦ ÂøÁö ÀüÈÄ 200ms µ¿¾È ±â·ÏÇÏ¿´´Ù. ¶ÇÇÑ, FL latency, sagittal and frontal co-contraction indexes (CCI), ankle inversion angle at the initial contact, maximum inversion angle ¶ÇÇÑ ±â·ÏÇÏ¿´´Ù. 



Fig. Inverted (B) and flat (C) platforms that utilized a platform arrangement to simulate lateral ankle sprain during a single leg drop-landing. (A) Starting position, (B) inversion landing tasks, and (C) normal landing tasks.

 

°á°ú: CAI ±×·ìÀº coper ¹× control ±×·ì°ú ºñ±³ÇÏ¿© inversion single-leg ÂøÁöµ¿¾È À¯ÀÇÇÏ°Ô ±ä FL Àẹ±â, °¨¼ÒµÈ FL ±ÙÀ° È°µ¿, Á¤¸é CCI ¹× ÂøÁö ÈÄ maximum inversion angleÁõ°¡°¡ ¹ß°ßµÇ¾ú½À´Ï´Ù. ±×·¯³ª Á¤»ó ÂøÁö ½Ã CAI¿Í coper ±×·ì °£¿¡´Â À¯ÀÇÇÑ Â÷ÀÌ°¡ °üÂûµÇÁö ¾Ê¾Ò´Ù. 

 

°á·Ð: ÀÌ·¯ÇÑ °á°ú´Â FL Àẹ±â°¡ ¿¬ÀåµÇ°í ankle kinematics°¡ º¯°æµÇ¾úÀ½À» ½Ã»çÇÏ´Â °ÍÀ¸·Î, inversion single-leg ÂøÁö½Ã CAI¿¡¼­ ¹ß¸ñ¿°Á°¡ ¹Ýº¹µÉ¼ö ÀÖ´Ù´Â °ÍÀ» ½Ã»çÇÑ´Ù.

 

Comment : Chronic ankle instabilityȯÀÚ¿¡¼­ inversion single legÂøÁö½Ã fibularis longus latencyÁö¿¬ÀÌ È®ÀεǾú´Ù. ¶ÇÇÑ copers±º(ankle inversion injuryÈÄ È¸º¹µÇ°í ±Øº¹µÈ ±º) ¶Ç´Â control±º¿¡ ºñÇØ CAI±º¿¡¼­, ankle inversion°¢µµ°¡ ´õ¿í Áõ°¡ÇÔÀÌ °üÂûµÇ¾ú´Ù. ±×·¯³ª normal single legÂøÁö½Ã, CAI¿Í copers°£ ¾î¶°ÇÑ Â÷À̵µ ¾ø¾ú´Ù. °á±¹ uneven surface, ƯÈ÷ inversion landing task½Ã ¿°Á´ ¹Ýº¹µÉ ¼ö Àִµ¥, À̸¦ ±Øº¹ÇϱâÀ§Çؼ­´Â PL ±ÙÀ°ÀÇ neuromuscular controlÀÌ ¹«¾ùº¸´Ù °­Á¶ µÇ¾î¾ßÇÏ°Ú´Ù.

 

 



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