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ELECTROMYOGRAPHIC INVESTIGATION OF DURATION OF THE MASSETERIC SILENT PERIOD

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ÀÌÁ¾Áø,
¼Ò¼Ó »ó¼¼Á¤º¸
ÀÌÁ¾Áø ( Lee Jong-Jin ) - ¼­¿ï´ëÇб³

Abstract

Á¤»ó±³ÇÕÀÎ 179¸í°ú , ¾Ç°üÀýÀÌ»óȯÀÚ 12¸í, ±×¸®°í ¾Ç°üÀýÀÌ»óȯÀÚÁß ±¹¼Ò¸¶Ã븦 ÇÑ 6¸í, ÃÑ 197¿¹ÀÇ ´ë»ó¿¡ ±³±ÙÀÇ Jaw-Jerk Reflex¸¦ ¾ß±â½ÃÅ°±â À§ÇÏ¿© Spring Triggered Tapping Device¸¦ ÇϾǰñÀ¯°£ºÎ¿¡ ÀåÄ¡ÇÏ°í, ±³±Ù¿¡ ½Ö±ØÀºÆÇÀü±ØÀ» ºÎÂøÇÏ¿© Functional Switch Assembly ¸¦ ÅëÇÏ¿© Preamplifier(461 BÇü, Beckman)¿¡¼­ ÁõÆøµÈ È°µ¿Àü¾ÐÀ» Dynograph (RSÇü 9853A, Beckman)¿¡¼­ Á÷Á¢ ±â·ÏÇÏ¿´´Ù. ±â·ÏµÈ ±ÙÀüµµ´Â Computer (Univac 9400 Cobol Complier)·Î ºÐ¼®ÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾î ÀÌ¿¡ º¸°íÇÏ´Â ¹ÙÀÌ´Ù. (1) Á¤»ó±³ÇÕÀÎ ; ³²ÀÚ Æò±Õ 21msec, ¿©ÀÚ 20msec, ³²¿©Æò±º 20¡¾5.99msec (S.D.)¿´´Ù. (2) ¾Ç°üÀýÀÌ»óȯÀÚ : ³²ÀÚÆò±Õ 39msec, ¿©ÀÚ38msec, ³²¿©Æò±Õ 39¡¾13.57msec (S.D.) (3) ±¹¼Ò¸¶Ã븦 ½ÃÇàÇÑ ¾Ç°üÀýÀÌ»óȯÀÚ ; ³²ÀÚÆò±Õ 21msec, ¿©ÀÚ 18msec, ³²¿©Æò±Õ 19msec (4) 179¸íÀÇ Á¤»ó±³ÇÕÀÎÁß 34¸íÀº Masseteric Slient period°¡ ³ªÅ¸³ªÁö ¾Ê¾Ò´Ù. (5) Á¤»ó±³ÇÕÀΰú ¾Ç°üÀýÀÌ»óȯÀÚ°¡ Áߺ¹µÉ ¼ö ÀÖ´Â ±â°£Àº 31~33.5msec ¿´´Ù. (6) Á¤»ó±³ÇÕÀΰú ¾Ç°üÀýÀÌ»óȯÀÚ¿ÍÀÇ °æ°è´Â 32.2msec ¿´´Ù.

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