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What else can I help you with?
What muscle can do?
Muscles can contract and shorten
How do you straiten your leg?
You extend the muscles neccisary, and contract others.
How do muscles in your arm work together?
When you flex your arm your biceps contract, and your triceps extend. And when you unflex your arm the triceps contract and you biceps extend. The muscles work together to allow you to move your body.
Can muscles only extend?
No, they can also contract, they do every time you use them to move an arm, a leg, etc..
Can muscle cells extend?
only contract, never extend. if it looks like it is extending, that's just another muscles contraction.
What happens during isokinetic exercise Muscles contract at a constant rate. Muscles contract and relax to move a joint. Muscles do not contract at all. Muscles contract with very little body movement.?
Muscles contract and relax to move a joint. ... Muscles contract at a constant rate. Muscles contract and relax to move a joint.
Describe the action of your muscles when you bend your arm and then straighten it again?
The muscles in your arm never expand; so when you bend your arm, your biceps contract as your triceps return to their regular form. When you extend your arm, you triceps contract as your biceps return to their regular form.
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.
Can muscle cells move a bone when they extend as well as when they contract?
Muscles are a bit like rope, they can pull, but they can't push. So in evey important way, they only move bone when they contract.
How do muscles contract and relax?
muscles contract and relax by bring about movements.
What two ways do muscles work?
They contract and relax
Which muscles extend or straighten a body part?
Extensor muscles extend or straighten a body part.
