The effects of wrist motion and hand orientation on muscle forces: A physiologic wrist simulator study.

ABSTRACT: Although the orientations of the hand and forearm vary for different wrist rehabilitation protocols, their effect on muscle forces has not been quantified. Physiologic simulators enable a biomechanical evaluation of the joint by recreating functional motions in cadaveric specimens. Control strategies used to actuate joints in physiologic simulators usually employ position or force feedback alone to achieve optimum load distribution across the muscles. After successful tests on a phantom limb, unique combinations of position and force feedback - hybrid control and cascade control - were used to simulate multiple cyclic wrist motions of flexion-extension, radioulnar deviation, dart thrower's motion, and circumduction using six muscles in ten cadaveric specimens. Low kinematic errors and coef

SUBMITTER: Shah DS 

PROVIDER: S-EPMC5555257 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature