- ankle reflex
- triceps surae r.
Medical dictionary. 2011.
ankle reflex
Look at other dictionaries:
ankle jerk — n a reflex downward movement of the foot produced by a spasmodic contraction of the muscles of the calf in response to sudden extension of the leg or the striking of the Achilles tendon above the heel called also Achilles reflex … Medical dictionary
Reflex — A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The nasal reflex is a sneeze. * * * 1. An involuntary reaction in response to a stimulus applied to the periphery and transmitted to the… … Medical dictionary
Ankle jerk reflex — The ankle jerk reflex, also known as the Achilles reflex, occurs when the Achilles tendon is tapped while the foot is dorsi flexed. A positive result would be the jerking of the foot towards its plantar surface. The Achilles reflex checks if the… … Wikipedia
ankle jerk — a deep tendon reflex elicited when the Achilles tendon is stretched and then struck with a tendon hammer. The normal response is reflex contraction of the calf muscles and plantar flexion of the ankle. The ankle jerk may be increased if the… … The new mediacal dictionary
Reflex — For other uses, see Reflex (disambiguation). A reflex action, also known as a reflex, is an involuntary and nearly instantaneous movement in response to a stimulus.[1] A true reflex is a behavior which is mediated via the reflex arc; this does… … Wikipedia
ankle jerk — noun : a reflex downward movement of the foot due to a spasmodic contraction of the muscles of the calf caused by sudden extension of the leg or by striking the Achilles tendon above the heel * * * a reflex extension of the foot, caused by… … Useful english dictionary
ankle jerk — a reflex extension of the foot, caused by contraction of the muscles of the calf, resulting from a sharp tap on the Achilles tendon; Achilles reflex. [1885 90] * * * … Universalium
ankle clonus — a series of abnormal rhythmic reflex movements of the foot, induced by sudden dorsiflexion, which causes alternate contraction and relaxation of the triceps surae muscle (gastrocnemius and soleus muscles); called also foot c … Medical dictionary
Stretch reflex — The stretch reflex (myotatic reflex) is a muscle contraction in response to stretching within the muscle. It is a monosynaptic reflex which provides automatic regulation of skeletal muscle length. When a muscle lengthens, the muscle spindle is… … Wikipedia
Cushing reflex — (also referred to as the vasopressor response, the Cushing effect, the Cushing reaction, the Cushing phenomenon, the Cushing response, or Cushing s Law) is a physiological nervous system response to increased intracranial pressure (ICP) that… … Wikipedia
