Henrik Kirk

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About

Henrik Kirk is a movement neuroscientist whose research focuses on the neural control of gait, particularly in individuals with cerebral palsy (CP) and other neurological conditions. His key contributions lie in understanding how sensory feedback—especially from muscle spindles and cutaneous receptors—modulates muscle activation during walking. In his most-cited work (2017, 21 citations), Kirk challenged prevailing assumptions by demonstrating that sensory contributions to plantar flexor muscle activity during push-off are actually *reduced* in adults with CP, not exaggerated as previously thought. This finding has reshaped clinical perspectives on motor impairment after central nervous system lesions, suggesting that diminished sensory drive, rather than hyperactive reflexes, may underlie gait dysfunction. Kirk’s work bridges basic sensorimotor physiology with rehabilitation, offering insights that could inform more targeted therapies for improving walking in CP and stroke populations. His research is notable for its rigorous use of robotic perturbations and electromyography to dissect sensory versus central contributions to movement. By reframing the role of afferent feedback in pathological gait, Kirk has opened new avenues for understanding motor recovery and designing interventions that enhance, rather than suppress, sensory-motor integration.