hyperextension


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hyperextension

 [hi″per-ek-sten´shun]
extension of a limb or part beyond the normal limit.

hy·per·ex·ten·sion

(hī'pĕr-eks-ten'shŭn),
Extension of a limb or part beyond the normal limit.

hyperextension

(hī′pər-ĭk-stĕn′shən)
n.
Extension of a bodily joint beyond its normal range of motion.

hy′per·ex·tend′ (-ĭk-stĕnd′) v.

hyperextension

[-exten′shən]
Etymology: Gk, hyper + L, extendere, to stretch out
movement at a joint to a position beyond the joint's normal maximum extension.
enlarge picture
Hyperextension of the wrist

hyperextension

Overextension Rehab medicine The extension of a limb or other body part beyond its normal range of movement

hy·per·ex·ten·sion

(hī'pĕr-eks-ten'shŭn)
Extension of a limb or part beyond the normal limit.

hyperextension

’over-straightening’ of a joint beyond its normal limits.

hyperextension

extension of a limb or a joint beyond normal limit of motion

hyperextension

extension of a limb or part beyond the normal limit.

hyperextension injury
see dropped carpus.
spinal hyperextension injury
usually results in damage to the dorsal articular facets and rupture of the ventral annulus fibrosus with escape of the nucleus pulposus.
References in periodicals archive ?
The mechanisms most commonly associated with injury to the PLC include posterolateral forces to the anteromedial thigh, contact and non-contact hyperextension, a valgus force to a flexed knee, and severe tibial external rotation with a flexed knee.
The extension deficit was 7 degrees with pain at terminal extension and deficit of hyperextension.
The so called "padded dashboard" constellation of injuries,16 results from neck hyperextension during rapid acceleration followed by blunt impact of the anterior neck on the car dashboard or steering wheel.
Pisiform fractures should be suspected when a patient presents with acute wrist pain located over the ulnar side of the wrist after direct trauma or a hyperextension injury to the wrist joint.
a short and thick neck), inadequate cervical hyperextension, a deviated trachea, a goiter, or previous cervical surgery (4 previous tracheotomies and 1 esophagostomy).
For the determination of the levels of flexibility in split and trunk hyperextension, two-dimensional kinematics with static posture analysis were used (HAMILL; KNUTZEN, 1999).
ACL ruptures generally occurs as a result of either a hyperextension damage or valgus impact [4, 8-10] as well as an abrupt slowing, sprain of the knee after turning or moving, sprain as a result of improper landing after an act of jumping or some other direct impacts on the knee.
We hypothesized that repetitive hyperextension posture for eye drop instillation causes detrimental strain in the neck muscles, and subsequently chronic neck pain.
THIGH-HIGH BOOTS If the heels are high, you're going to have the same issues as with stilettos -- hyperextension of the back, pressure on the balls of your feet and lack of balance.
Usual mechanism of injury is sudden violent hyperextension or sudden violent abduction, sometimes a direct injury (2,3).
Some authors supported that hyperextension stress7, hyperflexion and compression stress9, or tangential force9 may be responsible for the occurrence of the trauma.