(tendon) reflex hammer

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• Reflex hammer — A reflex hammer is a medical instrument used by physicians to test deep tendon reflexes. Testing for reflexes is an important part of the neurological physical examination in order to detect abnormalities in the central or peripheral nervous… …   Wikipedia

• Triceps reflex — The triceps reflex, a deep tendon reflex, is a reflex as it involuntary contraction of the triceps brachii muscle. It is initiated by the Cervical (of the neck region) spinal nerve 7 nerve root (the small segment of the nerve that emerges from… …   Wikipedia

• Patellar reflex — The patellar reflex or knee jerk is a stretch reflex and is a myotatic reflex. MechanismStriking the patellar tendon with a tendon hammer just below the patella stretches the quadriceps tendon. This stimulates stretch sensory receptors (most… …   Wikipedia

• Biceps reflex — A reflex test that examines the function of the C5 reflex arc and to a lesser degree the C6 reflex arc. The test is performed by using of a tendon hammer to quickly depress the biceps brachii tendon as it passes through the cubital fossa.… …   Wikipedia

• Brachioradialis reflex — The brachioradialis reflex is observed during a neurological exam by striking the brachioradialis tendon directly with a hammer when the patient s arm is resting [http://edinfo.med.nyu.edu/courseware/neurosurgery/reflexes.html] . This reflex is… …   Wikipedia

• jaw-jerk reflex — an abnormal reflex elicited by lightly placing the index finger across the chin of the patient and tapping it with a tendon hammer while the jaw hangs loosely open. A brisk upward movement of the jaw indicates an upper motor neurone disorder… …   The new mediacal dictionary

• Marteau à réflexes — Pour les articles homonymes, voir Marteau. Marteau à réflexes de Taylor ou modèle tomahawk Un marteau à réflexes est un instrument utilisé en médecine pour tester les ré …   Wikipédia en Français

• nervous system disease — Introduction       any of the diseases or disorders that affect the functioning of the human nervous system (nervous system, human). Everything that humans sense, consider, and effect and all the unlearned reflexes of the body depend on the… …   Universalium

• Neurological examination — Intervention The human nervous system ICD 9 CM …   Wikipedia

• Edwin B. Twitmyer — (1873 1943) was Professor of Psychology and Director of the Psychological Laboratory and Clinic at the University of Pennsylvania. He is a little known figure in the history of psychology, but he independently discovered classical conditioning at …   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