Which muscle? The biceps, at the front of the arm, get shorter, and the triceps, at the back, get longer.
it goes to the loo to have a wee
The Biceps brachii muscle. We just call it the biceps, though. (Pronounced bye-seps) To straighten the arm again, the triceps muscle is contracted - which lies 'underneath' the upper arm.
The muscle in your arm contracts. The muscle on the other side of your arm, opposite from the side that you are flexing, stretches.
it contracts
you will get hurt
Implanon is still effective even if it is bent.
If you're talking about the one that everyone's always asking for when they say, "Make a muscle!" then it's your BICEP. The bicep is the muscle that contracts when the arm is bent, and the tricep is the one that relaxes.
The biceps brachii muscle will contract, pulling the lower arm up.
The Triceps extend (Stretch out) as the biceps contract.
you would get an operation and in that operation you would get a metal rod inside
It could be just a muscle strain, or maybe a torn ligament, but I would think you pulled a muscle, not that bad
The muscle in your arm contracts. The muscle on the other side of your arm, opposite from the side that you are flexing, stretches.