Maintenance of cutaneomuscular neuronal excitability after leg-cycling predicts lower limb muscle strength after incomplete spinal cord injury

Cutaneous sensory processing is essential for the performance of voluntary motor tasks such as locomotion and balance (Van Wezel et al., 1997, Zehr et al., 1999, Rossignol et al., 2006) and the execution of phasic lower limb movements associated with leg cycling (Zehr et al., 2001). After spinal cord injury (SCI) experimental studies have also demonstrated that cutaneous afferent information contributes to the recovery of residual gait function (Rossignol et al., 2008; Panek et al., 2014), and may represent a central mechanism of neuroplasticity (Frigon et al., 2009).

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