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- Title
Upper Limb Proprioceptive Acuity Assessment Based on Three-Dimensional Position Measurement Systems.
- Authors
Lin Li; Yanxia Li; Chang-hong Wu; Hao Fu; Li, Lin; Li, Yanxia; Wu, Chang-Hong; Fu, Hao
- Abstract
The aim of the current work was to verify three-dimensional directional effects on the reproduction error precision of the human upper limb position. Thirty male subjects without history of upper limb pathology were recruited from Renmin University of China. A three-dimensional position reproduction task in six directions (up, down, left, right, far, and near) was performed by each subject. The results suggested that the proprioceptive sense of upper limb position depends on the direction, with smaller absolute errors in Directions 4 (right) and 5 (far) than in Directions 1 (up), 2 (down), 3 (left), and 6 (near). Proprioception near the end of the elbow joint range of motion may be more reliable and sensitive. Subjects reproduced fewer ranges in the horizontal plane (Directions 3, 5, and 6) and they overshot the target position along the z-axis (vertical direction) except for Direction 6. Overestimations of position in the z-axis may be caused by overestimations of force.
- Subjects
RENMIN University of China; ARM; RANGE of motion of joints; PROPRIOCEPTION
- Publication
Motor Control, 2020, Vol 24, Issue 4, p605
- ISSN
1087-1640
- Publication type
journal article
- DOI
10.1123/mc.2020-0009