Textured Foot Orthotics on Dynamic Stability and Turning Performance in Parkinson¡¯s Disease
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Kelly A. Robb and Stephen D. Perry
Journal of Motor Behavior. https://doi.org/10.1080/00222895.2019.1639609
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ÆÄŲ½¼º´(PD)Àº ÅðÇ༺ ½Å°æÁúȯÀ¸·Î ¼µ¿Áõ, ¶³¸², º¸Çà Á¤Áö¿Í °°Àº ¿îµ¿ Áõ»óÀÌ µ¿¹ÝµÇ¸ç, ÀÌ´Â ³«»ó¿¡ ´ëÇÑ µÎ·Á¿òÀ» Å©°Ô Áõ°¡½ÃÅ°°í »îÀÇ ÁúÀ» °¨¼Ò½ÃŲ´Ù. °æÁßÁõµµÀÇ ÆÄŲ½¼ ȯÀÚ¿¡¼ mediolateral(ML) sway path length¿Í range°¡ Áõ°¡ÇÏ°í ÀÌ´Â ÆÄŲ½¼ ȯÀÚÀÇ ³«»óÀÇ À§ÇèÀ» Áõ°¡ ½ÃŲ´Ù. ÀÌÀü ¿¬±¸µéÀº Á¤ÀûÀÎ »óÅ¿¡¼ ÀÌ·ç¾îÁ³°í, µ¿ÀûÀÎ »óÅ¿¡¼ center of mass (COM)-base of support (BOS) ¿Í center of mass (COM)-center of pressure (COP) °üÇÑ ¿¬±¸´Â ºÒ¸íÈ®ÇÑ »óȲÀÌ´Ù. ÆÄŲ½¼ ȯÀÚ¿¡¼ º¸Çà ¼Óµµ¿Í ȸÀü º¸Çà ¼ö, stability margin À» Á¶»çÇÏ´Â °ÍÀÌ ±ÕÇü Æò°¡¿Í Ä¡·á È¿°ú¸¦ ÆľÇÇϴµ¥ µµ¿òÀ» µÉ °ÍÀÌ´Ù. ¹ß¹Ù´ÚÀÇ ±â°è°¨°¢¼ö¿ëü¸¦ ÀÚ±ØÇÏ´Â °ÍÀº °¨°¢ ÀúÇÏ·Î ±ÕÇü °¨°¢ÀÌ ¶³¾îÁö´Â ÆÄŲ½¼ ȯÀÚ¿¡¼ ü¼º°¨°¢½Ã½ºÅÛÀ» º¯È ½ÃÄÑ º¸»óÀû ¿òÁ÷ÀÓ°ú ´ëÀÀ ´É·ÂÀ» Çâ»ó½Ãų ¼ö ÀÖ´Ù. Áú°¨À» »ì¸° ±òâÀº °¨°¢ Çǵå¹éÀ» Çâ»ó½Ãų °ÍÀÌ´Ù. ÅؽºÃ³°¡ º¸°µÈ º¸Á¶±â¸¦ »ç¿ëÇؼ ±ÕÇü ¹× º¸Çà ¸Å°³ º¯¼ö °³¼±À» ¾Ë¾Æº» ¿¬±¸´Â ¾ø¾ú´Ù. º¸Çà ¼Óµµ, ½ºÅÜ Æø, ½ºÅÜ ±æÀÌ, ÅÏ ½ºÅÜ Ä«¿îÆ®, ML COM-BOS °ü°è¸¦ ½Å¹ß¸¸ ½Å°í(F), Áú°¨ÀÌ ¾ø´Â ±òâÀ» ½Å°í(FO), Áú°¨ÀÌ ±òâÀ» ½Å°í(FOT) ¼¼°¡Áö Á¶°Ç¿¡¼ Á¶»ç¸¦ ÇÏ¿´´Ù.
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Kinematic data´Â 3°³ÀÇ force plates·Î ÃøÁ¤µÇ¾ú°í(AMTI; Watertown, Massachusetts, USA),
Optotrak motion capture system (Northern Digital Inc., Waterloo, ON, CAN)ÀÇ 12°³ÀÇ IRED markersµéÀ» ¾çÃø 3rd metatarsals, ankles, knees, hips, shoulders, forehead, ±×¸®°í xyphoid process À§Ä¡½ÃÄ×´Ù.
The SoleTM ¡®thin sport¡¯ orthotic (D609561, Edge Marketing Corp; Calgary, AB, CAN) °¡ FO ¿Í FOT conditions¿¡ »ç¿ëµÇ¾ú´Ù. Silicone rubber (Smooth-Sil 950 Series) cover °¡ sole orthotic (Figure 1)À¸·Î »ç¿ëµÇ¾ú°í, ¸ðµç Âü°¡ÀÚ´Â Thin socks, with minimal seams (76% polyester, 22% olefine, and 2% rubber; ATW3202-014/M/TO2/ P10/S04, Athletic Works, Wal-Mart Canada Corp.)À» ½Å¾ú´Ù.
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F(½Å¹ß¸¸ Âø¿ë) and FO(Áú°¨ ¾ø´Â ±òâÀ» Âø¿ë)À» baselineÀ¸·Î °Ë»çÇÏ°í FO(Áú°¨ ¾ø´Â ±òâ Âø¿ë) and FOT(Áú°¨ ÀÖ´Â ±òâ Âø¿ë)À» 4ÁÖ°¿Í 5ÁÖ°¿¡ °Ë»çÇÔ. Monofilament testingÀ» ¸Å¹ø ½ÃÇàÇÏ¿© Âü°¡ÀÚµéÀÇ °¨°¢ ¿ªÄ¡°¡ ¿¬±¸±â°£µ¿¾È ÀÏÁ¤ÇÑÁö¸¦ È®ÀÎÇÏ¿´´Ù. ¾à¹° º¹¿ë ÀÌ·Â, ±òâÀÇ Æí¾ÈÇÑ Á¤µµ, Âø¿ë ½Ã°£, ³«»ó ¿©ºÎ¸¦ Á¶»çÇÏ°í, ¸Å Å×½ºÆ® ½Ã Âü¿©ÀÚ°¡ ¿øÇÏ´Â ¼Óµµ·Î 180µµ ȸÀüÀ» Æ÷ÇÔÇÏ¿© 10ȸ¸¦ °Èµµ·Ï ÇÏ¿´°í static stance½Ã¿¡´Â ÇѹßÀÌ footplate À§¿¡ À§Ä¡Çϵµ·Ï ÇÏ¿´´Ù.
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One-way repeated measures analysis of variance (ANOVA) using SAS statistical software version 9.2À» »ç¿ëÇÏ¿© dynamic balance¿Í gait parameter variables ºÐ¼®ÇÏ¿´°í, inter-subject variability ¿Í trial variability¸¦ È®ÀÎÇÏ¿´´Ù. Acute vs long-term FO wear, acute vs long-term FOT wear, baseline (footwear only) vs long-term FOT wear °ªÀ» ºñ±³ÇÏ¿´°í, p<0.05 Åë°èÇÐÀû À¯ÀÇÇÑ °ªÀ¸·Î Á¤ÀÇÇÏ¿´´Ù.
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Acute foot orthotics ÀÇ °á°ú´Â À¯ÀÇÇÑ Maximum ML COM-BOS°¨¼Ò, À¯ÀÇÇÏÁö ¾ÊÀº Minimum ML COM-BOS °¨¼Ò, À¯ÀÇÇÏÁö ¾ÊÀº ML Range COM-BOS Áõ°¡°¡ °üÂûµÇ¾ú´Âµ¥ ÀÌ´Â ºÒ¾ÈÀü¼ºÀÇ Áõ°¡¸¦ ÀǹÌÇÏ°í ¹ßº¸Á¶±â¸¦ Âø¿ëÇÏÁö ¾Ê¾Ò´ø ÆÄŲ½¼ ȯÀÚµéÀº Ãʱâ ÀûÀÀ±â°£µ¿¾È ºÒ¾ÈÁ¤¼ºÀÌ Áõ°¡ÇÒ ¼ö ÀÖ´Ù´Â °ÍÀ» ÀǹÌÇÑ´Ù. Long-term foot orthoticsÀÇ °á°ú´Â Áú°¨ÀÌ ÀÖ´Â ±òâÀ» Âø¿ëÇÑ È¯ÀÚ¿¡¼ À¯ÀÇÇÑ ML Range COM-BOSÀÇ Áõ°¡¿Í ȸÀü µ¿ÀÛ¿¡¼ step number ÀÇ °¨¼Ò¸¦ °üÂûÇÏ¿´´Ù.
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