contraction

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Related to eccentric muscle contraction: isometric muscle contraction, concentric muscle contraction

contraction,

in physics: see expansionexpansion,
in physics, increase in volume resulting from an increase in temperature. Contraction is the reverse process. When heat is applied to a body, the rate of vibration and the distances between the molecules composing it are increased and, hence, the space occupied by the
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.

contraction,

in writing: see abbreviationabbreviation,
in writing, arbitrary shortening of a word, usually by cutting off letters from the end, as in U.S. and Gen. (General). Contraction serves the same purpose but is understood strictly to be the shortening of a word by cutting out letters in the middle, the omission
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.

contraction

[kən′trak·shən]
(graphic arts)
A microfilm defect in the form of a compressed image that occurs when the film speed is reduced as the document passes through a rotary microfilmer.
(mathematics)
A function f from a metric space to itself for which there is a constant K that is less than 1 such that, for any two elements in the space, a and b, the distance between f (a) and f (b) is less than K times the distance between a and b.
(mechanics)
The action or process of becoming smaller or pressed together, as a gas on cooling.
(physiology)
Shortening of the fibers of muscle tissue.

contraction

Of concrete, the sum of volume changes occurring as the result of all processes affecting the bulk volume of a mass of concrete.

contraction

1. Physiol any normal shortening or tensing of an organ or part, esp of a muscle, e.g. during childbirth
2. Pathol any abnormal tightening or shrinking of an organ or part

contraction

References in periodicals archive ?
(2010) Repetitive eccentric muscle contractions increase torque unsteadiness in the human triceps brachii.
Exercise involving eccentric muscle contractions is well known to impair force production capacities (Janecki et al., 2011; Torres et al., 2007) and to induce reduced range of motion (ROM) immediately after exercise (Lau and Nosaka, 2011; Torres et al., 2007; Whitehead et al., 2001).
Eccentric muscle contractions are thought to allow for greater force production over concentric muscle contractions, yet in sports like soccer the deficiency in eccentric contractions is more often than not the cause of thigh injuries (1).
Eccentric muscle contractions were separated by 10 s periods to minimize metabolic inhibition which is often associated with accumulation of inorganic phosphate in muscle fibres (Allen et al., 1995).