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CONTRACTION. An abbreviation; a mode of writing or printing by which some of the letters of a word are omitted. See Abbreviations.

References in periodicals archive ?
26] According to a recent view, the lesser recruitment and discharge rate of motor units during an eccentric contraction relative to a concentric contraction performed with the similar absolute workload explain the energy efficiency of an eccentric contraction.
As an example, for concentric contraction of the dorsal flexors, have the patient place the ankle joint in a neutral position (foot at a 90 [degrees] angle to the leg).
Isometric contractions (the hold phase) and concentric contractions (the contract phase) used immediately before the passive stretch (the relax phase) facilitate autogenic inhibition.
In effective plyometric training, an eccentric contraction is followed immediately by a concentric contraction to produce a powerful force.
1952; Asmunssen, 1953) that concentric contractions increase the metabolic demands, pH, temperature and oxygen pressure more than eccentric muscle contractions.
In the same example, the opposite of an eccentric contraction is a concentric contraction, which would be lifting the weight away from the chest.
In a concentric contraction, the muscle tension rises to meet the resistance, then remains stable as the muscle shortens.
sitting on the machine seat, every subject performed concentric contraction by bending and stretching her knee for 0 to 90[degrees] with 120 m/s speed and 100 N force.
This relationship demonstrates that for rapid concentric contraction, the resistance/force must be low.
A concentric contraction, in curl-ups or sit-ups, is performed as the two ends move close together.