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flexor retinaculum

   Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson 0.18 sec.
flexor /flex·or/ (flek´ser)
1. causing flexion.
2. a muscle that flexes a joint.

flexor retina´culum  see entries under retinaculum.

flexor ret·i·nac·u·lum (rtn-ky-lm)
n.
A strong fibrous band crossing the front of the carpus and binding down the flexor tendons of the digits and the tendon of the radial flexor muscle of the wrist.

flexor
any muscle that flexes a joint. See Table 13.

flexor reflex
a spinal reflex in which a painful (pressure) stimulus applied to a toe, coronary band or heel bulb, results in a flexion, or withdrawal, of the leg. A test of the integrity of the reflex arc and sensory pathways. Called also withdrawal reflex.
flexor retinaculum
any bracelet-like band of fibrous tissue on the flexor surface of a joint, e.g. transverse palmar carpal ligament.
flexor spasm
flexor tendon
tendons of the superficial and deep digital flexor muscles, situated behind the metacarpal or metatarsal bones.


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Modeling of the tendons in the wrist with a free-body diagram showed that the reaction force exerted against the tendons from the carpal bones and flexor retinaculum increased as the wrist was extended.
After treatment of the cervical region, numbness and tingling in the fingers also disappeared, which suggested to us that the carpal tunnel symptoms were from structures other than those under the flexor retinaculum.
 
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