Anatomy Of The Lower Arm

The radius is long and curved in shape and runs parallel to the ulna. Anterior compartment there are three muscles located in the anterior compartment of the upper arm biceps brachii coracobrachialis and brachialis.

Muscular Function And Anatomy Of The Lower Leg And Foot

This hinged joint allows the arm to open up to 180 degrees at full extension.

Anatomy of the lower arm. The flexors and the extensors. The flexor digitorum superficialis. Extending from the shoulder to the elbow the upper arm provides pulling and lifting strength.

The proximal end of the humerus known as the head is a round structure that forms the ball of the ball and socket shoulder joint. On the posterior side of the upper arm is the triceps brachii which acts as an extensor of the forearm at the elbow and the humerus at the shoulder. The muscles of the lower arm are divided into two groups.

The muscles of the flexor group begin from the lower inner edge of the humerus. Arm anatomy muscles. The term forearm is used in anatomy to distinguish it from the arm a word which is most often used to describe the entire appendage of the upper limb but which in anatomy technically means only the region of the upper arm whereas the lower arm is called the forearm.

Muscles attached to the radius include. Well go over all the muscles in your upper arm and forearm as well as explain. In human anatomy the arm is the part of the upper limb between the glenohumeral joint shoulder joint and the elbow joint.

The lower arm or forearm bone is the radius. It extends from the elbow to the wrist. The muscles in the forearm rotate flex and extend the wrist.

The function of the radius is to help in movement and supporting the arm. The flexor pollicis longus. Teachme anatomy part of the teachme series the medical information on this site is provided as an information resource only and is not to be used or relied on for any diagnostic or treatment purposes.

The forearm is the area between the wrist and the elbow. Additionally the biceps brachii operates as a supinator of the forearm by rotating the radius and moving the palm of the hand anteriorly. In common usage the arm extends to the hand.

Your arm muscles allow you to perform hundreds of everyday movements from making a fist to bending your thumb. In this article we shall look at the anatomy of the muscles of the upper arm their attachments innervation and actions. It is homologous to the region of the leg.

It can be divided into the upper arm which extends from the shoulder to the elbow the forearm which extends from the elbow to the hand and the hand. We will start with the forearm or lower arm. Now let us examine the main muscles of the arm anatomy.

It is a long large bone that extends from the scapula of the shoulder to the ulna and radius of the lower arm.

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