All I know is: Muscles can only pull. They can't push. The muscles on your arm above the elbow for instance. Bend your arm. Your bicepts are thick from pulling your humorous Relax your arm. Now your tricepts are thick from pulling. The muscles in your legs work the same way too. Hope this helps!
Skullcrushers primarily work the triceps muscles in the body.
Cross body curls primarily work the biceps muscles in the upper arms.
Muscles must work together because you need to move your body.
the feet
Muscles that raise a part of the body are known as elevators or agonists. These muscles work in opposition to the muscles that lower the body part, known as depressors or antagonists.
When any function has to be performed by body , muscles use energy. It helps in doing work.
tendons deal in muscular system of the body.. Tendons are what ties muscles to the skeleton, so they work both with muscles and bones.
Muscles.
Cross body hammer curls primarily work the biceps brachii muscles, which are located on the front of the upper arm.
By moving the body and digesting meals.
they repair torn muscles when you work out...
quadriceps