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Is it true that muscle cells can move a bone when they extend or get longer as well when they contract or get shorter?
Wiki User
∙ 6y ago
No, muscles only do work when contracting. Thus muscles come in opposing sets that pull in opposite directions.
Wiki User
∙ 6y ago
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Can muscle cells extend or get longer as well as contract or get shorter?
False
When a muscle contracts it become shorter or longer?
It becomes shorter.
What muscle can do?
Muscles can contract and shorten
When a muscle contracts how does actin and myosin get shorter?
When the muscle contracts, it gets shorter. When it relaxes, it gets longer.
What happens to the muscle when the arm is bent?
Which muscle? The biceps, at the front of the arm, get shorter, and the triceps, at the back, get longer.
Why you use your muscle to move not your bones?
Your bones are solid and fixed - they cannot move by themselves because they have no flexibility. Your muscles are used to move your bones because each muscle can contract or relax - get shorter or longer - and therefore cause the bones to move.
What Muscle extends in any movement?
None. Muscles only contracts. In order to extend, the muscle on the opposite movement has to contract. For example, the biceps help flex the elbow, but it does not extend the elbow; the triceps does that.
Are striated under skeletal muscle?
Because muscle cells can only contract, not extend, skeletal muscles most work in pairs. While one muscle contracts, the other muscle in the pair relaxes to its original length.
The only tissue that is able to contract and shorten in the body?
muscles
When you perform flexion on your arm the biceps muscle contracts What happens to the triceps muscle on the posterior of the arm as you do this action?
The Triceps extend (Stretch out) as the biceps contract.
Can muscle cells extend?
only contract, never extend. if it looks like it is extending, that's just another muscles contraction.
What makes muscles become shorter and makes bones move?
sarcomere's are the functional unit of a muscle which contract and make muscles shorter which then cause bones to move.
