Journal of Neonatal Studies

Isometric Contraction

The one in which the muscle burns but there is no motion in the joint isometric contraction.So in isometric contraction, there will be no change in length of the muscle, and also there will be no movement at the joints but the muscle fibers fire. An example of isometric contraction includes pushing against a wall. In isometric contraction the muscle is activated, but it is held at constant length instead of being allowed to lengthen or shorten. Another example of an isometric contraction includes carrying an object directly in front. The weight of the object will pull downward, but the hands and arms would oppose the motion with equal force going upwards. During an isometric contraction the force generated fully depend on the length of the muscle while contracting. The benefit of isometric contraction is that they can be used for rehabilitation as well as general strengthening without giving the stress to the joints. High level of static muscle strength is also required in some sports like gymnastics, yoga, rock climbing, and downhill skiing, all require static strength.

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