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Acute effect of foot strike patterns on in vivo tibiotalar and subtalar joint kinematics during barefoot running,
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Acute effect of foot strike patterns on in vivo tibiotalar and subtalar joint kinematics during barefoot running,

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Dongqiang Ye, Lu Li, Shen Zhang, Songlin Xiao, Xiaole Sun, Shaobai Wang, Weijie Fu

J Sport Health Sci. 2024 Jan;13(1):108-117. doi: 10.1016/j.jshs.2023.05.002

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Strike)°ú ÀüÁ· Á¢Áö ÆÐÅÏ (FFS, Forefoot Strike)°ú °ü·ÃÇÑ °ü·ÃÇÑ »ýü³»(invivo) °üÀý ¿ªµ¿Çп¡ 

´ëÇÑ Áö½ÄÀº Á¦ÇÑÁ¡ÀÌ ¸¹´Ù.  º» ¿¬±¸¿¡¼­´Â °í¼Ó ÀÌÁß Åõ½Ã À̹Ì¡ ½Ã½ºÅÛ (DFIS, Dual Fluoroscopic

Imaging System)À» »ç¿ëÇÏ¿© ´Ù¾çÇÑ ¹ß Á¢Áö ÆÐÅÏÀÌ 3D »ýü ³» °æ°Å°ñ(tibiofibular) °üÀý 

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°í¼Ó DFIS (100Hz)¸¦ »ç¿ëÇÏ¿© Âü°¡ÀÚµéÀÌ ¸Ç¹ß »óÅ¿¡¼­ RFS¿Í FFS ¹æ½ÄÀ» ¼±ÅÃÇßÀ» ¶§ °æ°Å°ñ °üÀý ¹× °Å°ñÇÏ °üÀýÀÇ 6ÀÚÀ¯µµ(degree of freedom) ¿ªµ¿ÇÐÀ» ¼öÁýÇß´Ù. CT¸¦ ÃÔ¿µÇÏ¿© °æ°ñ°Å°ñÁ¾°ñÀÇ 3Â÷¿ø ¸ðµ¨À» ¸¸µé°í À̸¦ ÀÌÁß Åõ½Ã Àåºñ·Î ÃÔ¿µÇÏ¿© °¢ »ÀµéÀÌ ´Þ¸®´Â Áß°£ÀÇ ¿òÁ÷ÀÓÀ» 3 Â÷¿øÀûÀ¸·Î À籸¼ºÇÏ¿© º¸Çà ÁÖ±â»ó¿¡¼­ ¿ªµ¿ÇÐÀû ÁöÇ¥°¡ ¾î¶»°Ô º¯ÇÏ´Â Áö¸¦ ÃøÁ¤ÇÏ¿´´Ù.



±×¸² 1. °í¼Ó ÀÌÁß Åõ½Ã À̹Ì¡ ½Ã½ºÅÛ (DFIS, Dual Fluoroscopic Imaging System).

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RFS¿Í ºñ±³ÇÏ¿© FFS´Â ÁöÁö±â(stance phase) ½ÃÀÛ ½Ã 0%~20% ±¸°£¿¡¼­ ´õ Å« ³»È¸ÀüÀ» º¸¿´´Ù. FFS¿¡¼­ °æ°Å°ñ °üÀýÀÇ ÃÖ´ë ³»È¸Àü °¢µµ´Â RFSº¸´Ù ´õ ÄÇ´Ù (p < 0.001, Cohen's d = 0.92). RFS´Â FFSº¸´Ù ÁöÁö±â ½ÃÀÛ ½Ã 0%~20% ±¸°£¿¡¼­ °æ°Å°ñ °üÀýÀÇ Á·¹è±¼°î (dorsiflexion)ÀÌ ´õ ÄÇ´Ù¶ÇÇÑ RFS´Â Ãʱâ Á¢Áö ½Ã °Å°ñÇÏ °üÀý¿¡¼­ ´õ Å« Àü¹æ À̵¿ (anterior translation) (p <0.001, Cohen's d = 1.28)À» º¸¿´´Ù.

 

 



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±Þ¼º ¸Ç¹ß FFS·Î ´Þ¸®´Â °ÍÀº ÀÔ°¢±âÀÇ 0~20%¿¡¼­ °æ°Å°ñ °üÀýÀÇ ³»È¸ÀüÀ» Áõ°¡½ÃÄ×´Ù. ±×·¯³ª Ãʱâ Á¢ÃË ½Ã Àü¹æ À̵¿À» Á¦¿ÜÇÏ°í °Å°ñÇÏ °üÀýÀÇ 6 ÀÚÀ¯µµ ¿îµ¿Çп¡ ´ëÇØ RFS¿Í FFS¸¦ °¡Áø ÁÖÀÚµé »çÀÌ¿¡´Â Åë°èÀû Â÷ÀÌ°¡ °üÂûµÇÁö ¾Ê¾Ò´Ù. Àü¹ÝÀûÀ¸·Î ÇÏÀ§ °üÀý(¿¹: °æ°Å°ñ ¹× °Å°ñÇÏ °üÀý)ÀÇ ¿òÁ÷ÀÓÀ» Á¤·®È­Çϱâ À§ÇØ °í¼Ó DFIS¸¦ Àû¿ëÇÏ´Â °ÍÀº ´Þ¸®±â Áß RFS ¹× FFSÀÇ È¿°ú¸¦ ¹àÈ÷´Â µ¥ ¸Å¿ì Áß¿äÇÏ°Ô »ç¿ëÇÒ ¼ö ÀÖ´Ù.


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