Medically reviewed by Renee Nilan, MD The brachioradialis is a large forearm muscle that helps bend the elbow, especially when the hand is in a neutral position, like holding a cup. Controlled by the ...

Muscles are attached to bones by tendons. Muscles contract to move our bones by pulling on them. However, muscles can only pull; they cannot push. This is why they usually work a joint in pairs ...

The origin is the end of a muscle which is attached to a fixed bone. The insertion is the other end of the muscle that is attached to the bone which moves. Muscular contractions are defined as the ...