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Is the hand part of the arm?
In human anatomy, the arm is the part of the upper limb between the glenohumeral joint (shoulder joint) and the elbow joint. In common usage, the arm extends to the hand. … The Latin term brachium may refer to either the arm as a whole or to the upper arm on its own.
What is the function of the arm?
Your arms contain many muscles that work together to allow you to perform all sorts of motions and tasks. Each of your arms is composed of your upper arm and forearm. Your upper arm extends from your shoulder to your elbow. Your forearm runs from your elbow to your wrist.
What is the top of the arm called?
The arm proper (brachium), sometimes called the upper arm, the region between the shoulder and the elbow, is composed of the humerus with the elbow joint at its distal end.
What is the outside of your forearm called?
The arm's curved shape comes from its major exterior muscles. … It is formally known as the triceps brachii muscle. Brachioradialis: This muscle, located at the top of the forearm near the elbow, helps rotate the forearm both outwardly and inwardly. It also flexes the forearm at the elbow.