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Positioning for eliciting the ankle jerk deep tendon reflex while in bed and crossing leg, foot gently and passively dorsiflexed, S1>S2, tibial (sciatic) nerve, elicited with tromner reflex hammer (more difficult in older patients with +/- hip pathology as requires external rotation hip)
Medicine and Health Sciences
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Clinical Neurological Sciences, Schulich School of Medicine and Dentistry, "Eliciting the ankle jerk deep tendon reflex (supine; crossing leg)." (2021). Neurology. 74.