Contraction

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Related to eccentric contraction: Isotonic contraction

Contraction

In a business cycle, the time between the peak and the bottom. That is, a contraction occurs between the end of economic growth and the end of the subsequent recession. Contractions are characterized by layoffs, a decline in GDP, and other negative factors. However, historically, contractions have tended not to last as long as expansions.
References in periodicals archive ?
The especially high hamstrings responsiveness to the damaging effects of an exercise bout has already been reported following voluntary eccentric contractions (Croisier at al.
Five days later participants performed an acute bout of eccentric contractions in the same leg-press device.
1983) Ultrastructural changes after concentric and eccentric contractions of human muscle.
30] In spite of an old concept, emphasis on the eccentric contraction of large muscle groups as in downhill treadmill walk could emerge as a new or updated exercise modality.
We have previously introduced an orthotic device that provides variable stiffness at the knee joint to overcome the challenges of controlling eccentric contractions with stimulation [15].
Therefore, it can be concluded that caffeine consumption has a significant effect on changes in serum creatine kinase after eccentric contractions (Figure 1).
Studies have shown that, out of these contractions, the greater ability to generate force is achieved by the eccentric contraction, then by the isometric one and the least by the concentric one, while if we compare the effect to energy consumption, the best performance is achieved by the isometric contraction, followed by the eccentric one.
Eccentric contractions may also stimulate tendon cells to produce collagen and decrease neovascularization that contributes to pain.
Rupture of the distal biceps tendon is a relatively rare injury that occurs when there is an unexpected, forceful eccentric contraction of the biceps muscle.
Subsequently, the muscle is also more vulnerable to rupture during an eccentric contraction.
It is slowly releasing tension, which is termed eccentric contraction.