cocontraction

cocontraction

[kō′kəntrak′shən]
the simultaneous contraction of agonist and antagonist muscles around a joint.

co·con·trac·tion

(kō'kŏn-trak'shŭn)
Simultaneous contraction of both the agonist and the antagonist around a joint to hold a stable position.

cocontraction

(kō″kŏn-trăk′shŭn)
A condition in which muscles around a joint or the spinal column contract simultaneously to provide stability.
References in periodicals archive ?
Cocontraction was set as the switching strategy between grips, with lateral set as default at device switch-on.
Despite the not sampled antagonists in the thigh, it may be hypothesized that the RT training led to RT adaptation and reduced cocontraction.
Aging-induced shifts from a reliance on sensory input to muscle cocontraction during balanced standing.
a brief cocontraction of two antagonist muscles) changes the state of the controller in a predefined order.
2002a) through different mechanisms such as improved reflex potentiation, alterations of the synergists, alterations of the cocontraction of antagonist muscles and increases in electromyographic activity, but this approach has not been investigated in swimming although Rouard et al (Rouard et al.
Clinical neurologic examination in May 2004 revealed bilateral ptosis, double vision when looking in any direction, dysarthria, sore neck muscles, generally brisk tendon reflexes with contralateral cocontraction of the lower limbs, weak elbow extension (M5-) on the right side, weak hip flexion bilaterally (M5-), wasting of the thighs and reduced Achilles tendon reflexes.
Hemiparesis is worsened by disuse and cocontraction patterns across multiple joints (i.
There was also some inconsistency of activation, with involuntary movements noted related to cocontraction of muscles within the socket, likely related to the changing sensitivity of the electrode settings, which would respond to threshold adjustments by his prosthetist.
Applications include documentation of treatment effects for returning motor control [50], assessment of spasticity and cocontraction [51], and provision of objective criteria for the selection of intervention strategies [52].
reported on a case series of 16 persons with transtibial amputation (mean age 72, range 57 to 83) that assessed the effect of muscle cocontraction and silicone liners on residual limb volume and the implications for casting and socket fit [13].
The result can be simple speed and direction control or the more sophisticated control that also stiffens the joint during cocontraction of these muscles as in the intact limb.