Question

what is isometric contraction? ​

Answer 1

Answer:

Isometric muscle contraction is the production of muscle tension without a change in muscle length or joint angle.

An example of an isometric contraction would be carrying an object in front of you. The weight of the object would be pulling downward, but your hands and arms would be opposing the motion with equal force going upwards. Since your arms are neither raising or lowering, your biceps will be isometrically contracting.

In an isometric muscle contraction, the muscle fires (or activates with a force and tension) but there is no movement at a joint. In other words, the joint is static; there is no lengthening or shortening of the muscle fibers and the limbs don't move.

Explanation:

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Answer 2

An isometric exercise is a form of exercise involving the static contraction of a muscle without any visible movement in the angle of the joint

An example of an isometric contraction would be carrying an object in front of you. The weight of the object would be pulling downward, but your hands and arms would be opposing the motion with equal force going upwards. Since your arms are neither raising or lowering, your biceps will be isometrically contracting

Isometric: A muscular contraction in which the length of the muscle does not change. isotonic: A muscular contraction in which the length of the muscle changes. eccentric: An isotonic contraction where the muscle lengthens. concentric: An isotonic contraction where the muscle shortens.