지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 51 - 59 (9page)
이용수
초록· 키워드
오류제보하기
Background: Despite muscle latency times and patterns were used as broad examination tools to diagnose disease and recovery, previous studies have not compared the dominant arm to the non-dominant arm in muscle latency time and muscle recruitment patterns during reaching and reach-to-grasp movements. Objects: The present study aimed to investigate dominant and non-dominant hand differences in muscle latency time and recruitment pattern during reaching and reach-to-grasp movements. In addition, by manipulating the speed of movement, we examined the effect of movement speed on neuromuscular control of both right and left hands. Methods: A total of 28 right-handed (measured by Edinburgh Handedness Inventory) healthy subjects were recruited. We recorded surface electromyography muscle latency time and muscle recruitment patterns of four upper extremity muscles (i.e., anterior deltoid, triceps brachii, flexor digitorum superficialis, and extensor digitorum) from each left and right arm. Mixed-effect linear regression was used to detect differences between hands, reaching and reach-to-grasp, and the fast and preferred speed conditions. Results: There were no significant differences in muscle latency time between dominant and non-dominant hands or reaching and reach-to-grasp tasks (p>.05). However, there was a significantly longer muscle latency time in the preferred speed condition than the fast speed condition on both reaching and reach-to-grasp tasks (p<.05). Conclusion: These findings showed similar muscle latency time and muscle activation patterns with respect to movement speeds and tasks. Our findings hope to provide normative muscle physiology data for both right and left hands, thus aiding the understanding of the abnormal movements from patients and to develop appropriate rehabilitation strategies specific to dominant and non-dominant hands.
목차
등록된 정보가 없습니다.
참고문헌 (37)
참고문헌 신청
Annett J / 1979 / The control of movement in the preferred and non-preferred hands / Q J Exp Psychol 31:641~652
Annett M / 1992 / Five tests of hand skill / Cortex 28(4):583~600
Bagesteiro LB / 2000 / Handedness: dominant arm advantages in control of limb dynamics / J Neurophysiol 88(5):2408~2421
Butler TJ / 2005 / Selective recruitment of single motor units in human flexor digitorum superficialis muscle during flexion of individual fingers / J Physiol 567:301~309
Carr JH / 2003 / Stroke Rehabilitation: Guidelines for Exercise and Training to Optimize Motor Skill / Butterworth-Heinemann :1~300
Annett M / 1992 / Five tests of hand skill / Cortex 28(4):583~600
Bagesteiro LB / 2000 / Handedness: dominant arm advantages in control of limb dynamics / J Neurophysiol 88(5):2408~2421
Butler TJ / 2005 / Selective recruitment of single motor units in human flexor digitorum superficialis muscle during flexion of individual fingers / J Physiol 567:301~309
Carr JH / 2003 / Stroke Rehabilitation: Guidelines for Exercise and Training to Optimize Motor Skill / Butterworth-Heinemann :1~300
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