Abstract
본 연구의 목적은 깊은 목굽힘근과 깊은 목폄근의 두께를 목근육 지구력 검사 동안 측정하여 목통증 경험 유무에 따라 깊은 목근육들의 크기에 차이가 있는 지 관찰하였다. 컴퓨터 사용이 많은 대학생 65명이 참여하였으며, 목통증이나 두통으로 인하여 일상생활을 수행하는데 제약이 없고 현재 척추증상이 없는 자를 대상으로 하였다. 근육의 두께는 근지구력검사를 수행하는 중 근이완기, 수축기와 제한시점에서 각각 측정하였다. 목통증과 기능제한에 대한 정보는 설문지를 통하여 수집하였다. 목통증 경험이 없는 대상자들 (그룹1)의 근지구력 시간이 목통증 경험이 있는 대상자들(그룹2)보다 통계적으로 유의하게 길었다 (p<0.01). 그룹1 대상자의 왼쪽 긴목근이 그룹2 대상자보다 근이완기에서 두껍게 관찰되었으며(p=0.02), 오른쪽 긴머리근은 목통증 경험이 없는 대상자들이 근수축에서 제한시점까지의 변화가 목통증 경험이 있는 대상자보다 크게 관찰되었다(p=<0.01). 목통증과 연관하여 특정 근육의 기능파악이 중요하며, 임상 대상자들의 목수축 패턴과 근기능에 대한 연구가 더 필요하다. The aim of the study was to investigate the thickness of deep neck muscles during neck endurance tests using ultrasonography images to assess muscle sizes in persons with or without neck pain experience. Sixty-five university students volunteered for the study. The thicknesses of longus colli, longus capitis, semispinalis and cervical multifidus were assessed bilaterally using diagnostic ultrasound equipment during each endurance test. Participants were divided into two groups based on their Neck Pain(NP) experience; 45 subjects of those had no experience of NP (Group1) whereas 20 subjects of those reported NP experience sometime in their lives (Group2). Endurance time of both neck flexion and extension tests in Group1 showed significantly longer than Group's (p<0.01). The thicknesses of deep neck flexors and extensors were observed smallest at the terminal of endurance tests in general. Only left longus colli was found to be significantly smaller at rest in subjects of Group2 than Group 1's (P=0.02). The size difference between at contraction and the terminal of right longus capitis was observed bigger in subjects of group1 than subjects in group2. Future studies are needed to conduct with clinical subjects to assess contraction patterns of neck muscles.
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