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Fig. 5 | Journal of NeuroEngineering and Rehabilitation

Fig. 5

From: A suite of automated tools to quantify hand and wrist motor function after cervical spinal cord injury

Fig. 5

Assessment of wrist rotation function with the doorknob device. a Diagram of isometric wrist rotation module with the doorknob manipulandum. Green arrows indicate force direction. b Example of single isometric wrist pronation and supination trials from uninjured and cSCI participants collected using the doorknob manipulandum. c cSCI participants produce significantly less wrist pronation and supination force compared to uninjured controls. d Diagram of the isotonic wrist pronation and supination ROM device with the doorknob manipulandum illustrating direction of movement. e Example of single flexion and extension ROM trials performed with the doorknob by uninjured and cSCI participants. f Using the doorknob manipulandum, wrist pronation and supination ROM is not significantly impaired in cSCI participants compared to uninjured participants. Individual data is depicted with open circles. Error bars indicate SD. Significant differences were determined by Wilcoxon rank sum tests and are noted as ***p < 0.001

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