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The brachioradialis reflex (also known as supinator reflex [1])is observed during a neurological exam by striking the brachioradialis tendon (at its insertion at the base of the wrist into the radial styloid process (radial side of wrist around 4 inches proximal to base of thumb)) directly with a hammer when the patient's arm is relaxing. This reflex is caused by the Radial nerve C5,C6 spinal nerve.
The reflex should cause slight wrist extension and/or radial deviation, supination[1] and slight elbow flexion.
See also[]
References[]
- ↑ Springhouse (1 July 2007). Neurologic Care, 60–, Lippincott Williams & Wilkins. URL accessed 4 July 2011.
Nervous system physiology: neurophysiology - reflex | |
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Cranial nerve |
midbrain: Pupillary light reflex • Accommodation reflex |
Stretch reflexes |
upper limb: Biceps reflex C5/C6 • Brachioradialis reflex C6 • Triceps reflex C7/C8 |
Primitive reflexes |
Galant • Gastrocolic • Grasp • Moro • Rooting • Stepping • Sucking • Tonic neck • Parachute |
Superficial reflexes | |
Lists |
general • alphabetical • by organ |
Cardiovascular |
Bainbridge reflex • Bezold-Jarisch reflex • Coronary reflex • Mammalian diving reflex • Oculocardiac reflex |
Other |
Acoustic reflex • H-reflex • Golgi tendon reflex • Optokinetic • Startle reaction • Withdrawal reflex (Crossed extensor reflex) |
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