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Sitting balance I : trunk-arm coordination and the contribution of the lower limbs during self-paced reaching in sitting
DEAN C; SHEPHERD R; ADAMS R
GAIT POSTURE , 1999, vol. 10, n° 2, p. 135-146 Doc n°: 91826 Localisation : Documentation IRR Descripteurs : DF14 - POSITION ASSISE - EQUILIBRATION The effects of reach distance and type of task on the functional relationship between the trunk, upper limb segments and the lower limbs during self-paced reaching in sitting were examined. Two-dimensional kinematic, kinetic and electromyography (EMG) data were collected as six healthy subjects reached forward under three distance (60, 100, 140% arm's length) and two task (reaching to press a switch, reaching to grasp a glass) conditions. The results demonstrate that type of task affected primarily the temporal aspects of coordination, with the grasp task taking consistently longer than the press task. In contrast, reach distance affected both the spatio-temporal aspects of coordination between the trunk and arm segments and the active contribution of the lower limbs. Langue : ANGLAIS Identifiant basis : 1999207692 |
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