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A muscle is either contracting (doing work) or relaxing (not under tension). Some muscles do not ever completely relax under normal conditions.

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13y ago

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What does the verb 'tense' mean?

When you tense a muscle, you are tightening it or contracting it. The opposite is to relax.


Why acting alone each muscle of this pear turns the head toward the opposite shoulder?

Each muscle of the neck, such as the sternocleidomastoid, works by contracting and pulling the head in a specific direction. When one side of the muscle contracts, it creates a torque that turns the head toward the opposite shoulder due to the muscle's attachment points. This unilateral contraction results in rotation and lateral flexion of the neck, effectively directing the head away from the contracting muscle. Thus, acting alone, each muscle facilitates the rotation of the head toward the opposite side.


What is the opposite of contraction?

The general opposite of to contract is to expand.In terms of biology, an opening would dilate (widen) as opposed to contracting or narrowing in size.For a muscle, the opposite of contract would be relax.


What is a contracting economy?

A contracting economy is one that is on the decline. The opposite of a contracting economy is a growing economy.


Is Concentric in exercise shortening of muscle or not?

Looking form the out side the two bones to which the Muscle is attached moves closer when the muscle is contracting concentrically while they do not when muscle is contracting eccentrically


When your muscle shortens and moves a load?

muscle fibers contracting


When a muscle is contracting the other is?

relaxing


What is the opposite word for expanding?

Contracting


What muscle action does pulling represent?

It represents contracting or shortening of a muscle.


What are the two movement of muscle?

Pulling and contracting is how a muscle moves the bones ....


A muscle causes a bone to move by?

contracting.


When a muscle is contracting the other is doing?

Relaxing