Stretch reflex and H-reflex during human walking

The H-reflex and the stretch reflex modulation during gait have both been described in the literature as high during the stance phase and suppressed throughout the swing phase. To illuminate the difference between the two methodologies, both types of reflexes was evoked in the same subjects within the same experiment. It was found that the reflexes were significantly different modulated in the late stance where the stretch reflex was decreased in relation to the H-reflex. It is argued that this difference is caused by a decreased muscle spindle activity