Answered

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when you extend your elbow to put down a heavy object (e.g. placing a heavy textbook on a table), your biceps is being lengthened, but it is still contracting to control the downward movement. what type of contraction is this?

Sagot :

Your biceps are stretched when you extend your arm to set down a heavy object (such a large book on a table), but they are still contracting to regulate the downward movement. Isometric contraction is a form of contraction.

When tension is applied, an isometric contraction happens because the length of the muscle remains mostly unchanged. Isometric contraction, for instance, occurs while doing a biceps curl while holding the weight stationary rather than actively raising or lowering it. Isometric contraction include tightening (contracting) a specific biceps muscle or group of muscles. Isometric exercises do not considerably change the muscle's length. Furthermore, the injured joint is immovable. Isometric exercises help to maintain strength.

learn more about Isometric contraction here:

https://brainly.com/question/14643272

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