Hybrid Assistive Limb Intervention in a Patient with Late Neurological Deterioration after Thoracic Myelopathy Surgery due to Ossification of the Ligamentum Flavum

Figure 8

(a) Temporal profile of the angular position of the ankle joint over the gait cycle, measured without the HAL, before and after the HAL intervention. (b) Surface electromyography of the gastrocnemius muscles. (c) The muscle activation ratio of the gastrocnemius (swing phase to the total step cycle), before and after the HAL intervention. (d) Toe clearance, before and after the HAL intervention.

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