The Relationship Between Volitional Activation and Muscle Properties in Incomplete Spinal Cord Injury | Zendy

Kristen L. Jakubowski | Zendy; Andrew C. Smith | Zendy; James M. Elliott | Zendy; Sabrina S. M. Lee | Zendy

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The Relationship Between Volitional Activation and Muscle Properties in Incomplete Spinal Cord Injury

Author(s) -

Kristen L. Jakubowski,

Andrew C. Smith,

James M. Elliott,

Sabrina S. M. Lee

Publication year - 2017

Publication title -

topics in spinal cord injury rehabilitation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.597

H-Index - 35

eISSN - 1945-5763

pISSN - 1082-0744

DOI - 10.1310/sci17-00007

Subject(s) - medicine , spinal cord injury , physical medicine and rehabilitation , spinal cord , physical therapy , psychiatry

Purpose: Following a motor incomplete spinal cord injury (iSCI), there is decreased volitional activation and changes in composition, architecture, and stiffness of affected muscles. We investigated the relationship between muscle properties and volitional activation. Methods: The relationship between central activation ratio (CAR), maximum volitional torque (MVT), and muscle properties was assessed in the gastrocnemius of 6 participants with iSCI. Results: No significant relationship was found between CAR and muscle properties, while a significant relationship was found between CAR and MVT. Conclusion: Our findings suggest there may be no relationship between volitional activation and muscle; thus, certain patients with iSCI may benefit from therapies targeted at neural control.

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