Triceps and Biceps
to flex the forearm at the elbow, you use the biceps brachii, brachialis, and brachioradial (to a lesser extent).to supinate the forearm, you use the biceps brachii and the supinator muscles.the biceps brachii does both motions.
Flexing bodybuilders showcase their muscular physique during competitions by performing a series of poses that highlight their muscle definition, size, and symmetry. They use specific poses to emphasize different muscle groups and demonstrate their overall physical conditioning and aesthetics to the judges and audience.
When flexing your arm you would use shoulder muscles, mainly the deltoids and pectoralis major. If you flex your elbow (which most people think means flexing your arm, but is really the forearm), then you would use your biceps, brachialis. and brachioradialis muscles, which would be three muscles, depending on the orientation of the forearm.
You primarily use your elbow joint to lift the barbell, as it is responsible for flexing and extending your arm. Your shoulder joint also plays a supporting role by stabilizing and assisting in the movement.
Flexion is the act of bringing two bones closer together, decreasing the angle between the two bones. Extension is the act of increasing the angle between two bones, resulting in a straightening motion.
During exercise muscle cells use oxygen.
the PC muscle is the one you use to stop you peeing if you can do that, you on the right path while you pee stop your self then the muscle you should get the idea which one then you can do that all day if you choose too as you do that you should find sex lasts longer
Your lats.
erector spinae for spinal extension and quadratus lumborum for spinal abduction
I think you are referring to the triceps. This is the muscle that attaches at the elbow and the shoulder. The one that you use when extending your arm. biceps; up triceps; under
An elbow is a joint that helps you bend your arm.
You can use it to the extent that you use it to bend your arm. If you're asking if you can strike your opponent with your elbow... no, that would be against the rules.