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RISS 인기검색어
- 검색키워드
- 저자 : 전덕훈 ( Deok Hoon Jun ) (검색결과 4 건)
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전덕훈,구미란,Jun, Deok-Hoon,Goo, Mi-Ran 대한고유수용성신경근촉진법학회 2021 PNF and Movement Vol.19 No.2
Purpose: The purpose of this study was to observe office workers' postural behaviors during computer work to identify the risk factors for head and thorax postural behaviors. Methods: The participants included 57 office workers who worked longer than 20 hours on a computer. Postural behaviors during computer work were measured using 3-D wearable motion sensors on the forehead and sternum. A multivariate linear regression model evaluated the association between various risk factors (neck pain, demographics, and environmental factors) and non-head and thorax postural behaviors. Results: The participants maintained their head and thorax in neutral postures (defined as 10° extension~10° flexion and 5° extension~10° flexion, respectively) for 24.7% and 39.3% of the total recorded time. Those who reported neck pain at the measurement of postural behaviors showed less time spent in thorax postures. Current neck pain, high desk height, and the distance between the keyboard and the edge of the desk (cm) were found to be related to less time spent in a neutral thorax posture. Conclusion: Office environment factors and current neck pain might affect workers' thorax postures, which might also determine the orientation of head postures during computer work.
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초음파 영상을 통한 머리-목 굽힘 운동의 적정 수준 제시에 관한 연구
전덕훈 ( Deok Hoon Jun ),데니스펠 ( Dennis W Fell ),김경 ( Kyoung Kim ) 대한물리의학회 2011 대한물리의학회지 Vol.6 No.4
Purpose:Chronic cervical pain is a common source of disability in society. There has been no research regarding the amount of pressure for the deep cervical flexors during cranio-cervical flexion exercise (CCFE). The purpose of this study is to determine optimal pressure levels to facilitate deep cervical muscles (longus colli & longus capitis) during cranio-cervical flexion exercise, using ultrasound measurement of the muscles. Methods:Using a cross-sectional design, the study was performed in an experimental group of 19 subjects (7 men, 12 women) with no cervical pain. Participants were instructed to perform the CCFE, and during the five incremental stages of the test, changes in thickness, as compared to resting baseline values, were measured using ultrasonography for sternocleidomastoid muscle (SCM) and deep cervical muscles (DCF). Results:Both DCF and SCM muscles demonstrated an increase in recruitment with each progressive phase of the test. In comparing the different pressure increments, the most significant changes found in DCF thickness were between phase 2 and phase 3 (p<.05), However no differences were found between pressure increments for SCM thickness (p>.05). Conclusion:The results suggest 26 mm Hg as the optimal pressure level during cranio-cervical flexion exercise for facilitation of deep cervical flexor.
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머리-목굽힘검사 시 통증 유무에 따른 표층 및 심부 목 굽힘근의 두께 비교연구
전덕훈(Deok-Hoon Jun) 한국운동재활복지협회 2022 운동재활·복지 Vol.3 No.1
목통증은 신경근동원의 체계를 변화시켜 정상적인 목 주변 근육의 활성과 근동원 패턴을 어렵게 한다고 보고된다. 따라서 본 연구의 목적은 목통증을 가진 사람들을 대상으로 머리-목굽힘검사(CCFT, cranio-cervical flextion test)시 머리-목굽힘검사시에 나타나는 통증군과 대조군의 목 굽힘근 두께를 비교하여 목굽힘근(neck flexor)들의 근육 동원 패턴을 이해하는 것이다. 목통증이 없는 17명의 대학생과 목통증을 경험하고 있는 17명의 대학생을 대상자로 선정하였다. 대상자들의 목 굽힘근 동원 패턴을 알아보기 위해서 머리-목굽힘검사 동안 초음파 측정을 통해 목굽힘근 근육의 두께변화를 측정하였다. 두 집단 모두에서 머리-목굽힘검사 시 압력의 증가에 따라 근 두께 변화량의 증가를 보였으며 목빗근(sternoclavicle muscle)의 근두께 변화량은 통증군이 비통증군에 비해 더 큰 증가량을 보였고, 심부 목굽힘근(deep neck flexors)의 근두께 변화량은 비통증군이 통증군에 비해 더 큰 증가량을 보였다. 결과분석을 바탕으로 목통증을 가진 사람들은 그렇지 않은 사람들에 비해 심부목굽힘근의 활성능력이 떨어지고 그 보상으로 인한 표층목굽힘근의 과활성을 확인 할 수 있엇다. 이에 목 통증을 가지는 사람을 위한 운동처방에서 심부목굽힘근의 활성을 유도할 수 있는 운동법이 제시되어야 할 것이다. The purpose of this study is to analyse the recruitment pattern of the neck flexor muscle during bothe the CCFT and the arm movement with CCFT. Using a cross-sectional design, the study was performed in an experimental group of 17 subjects (8 male, 12 female) with cervical pain and in an control group of 17 subjects (11 male, 9 female) with no cervical pain. Participants were instructed to perform the CCFE, and during the five incremental stages of the test, changes in thickness, as compared to resting baseline values, were measured using ultrasonography for sternocleidomastoid muscle (SCM) and deep cervical muscles (DCF). In analysis by ultrasonographic measurment, there was an increase in DCF and SCM recruitment with each progressive phase of the CCFT. Statistically significant difference were found between control group and experimental group in both DCF and SCM. In change of muscle thickness, experimental group had higher measures of change of SCM thickness compared to the control group, on the other hand control group had higher measures of change of DCF thickness compared to the experimental group. According to the results of this study, there was a strong trend for greater muscle activity in the SCM as compensation of poor activity of DCF in the neck pain group during the CCFT.
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젊은 성인 여성의 휴대 가방 위치가 보행 후 정적 균형 변화에 미치는 영향
김진섭 ( Jin Seop Kim ),김경 ( Kyoung Kim ),전덕훈 ( Deok Hoon Jun ) 대한물리의학회 2011 대한물리의학회지 Vol.6 No.1
Purpose:This study was designed to identify the effects of carrying bag positions (None, left hand, right hand, left shoulder, right shoulder) on static balance. Methods:Fourteen healthy adult females participated in the this study. The exclusion criteria were orthopedic or neurologic disease, predominant left side. Measurements were performed initial effects. Results were evaluated by OSI, APSI, and MLSI in the biodex stability system. Results:There are among the three assessments (overall stability index(OSI), antero-posterior stability index (APSI), medio-lateral stability index(MLSI) significants difference for the carrying bags positions (None bag, left hand, right hand, left shoulder, right shoulder)(p<05). The post-hoc test revealed a significant difference between none bag and both left hand and left shoulder in the OSI, APSI, MLSI (p<.05). Also, comparing the carrying positions significant difference between right hand and both left hand and left shoulder in the MLSI (p<.05). Conclusion:The results suggest that none dominant side with carrying bag improve more imbalance than none bag and right hand of dominant with carrying bag improve more balance than non dominant side, When comparing the four carrying bag conditions, right hand was more effective than another conditions in static balance.
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