Anatomy Of Lower Arm

It has two long bones known as the ulna and the radius. The flexor digitorum superficialis.

Muscles Of The Arm And Hand Anatomy Pictures And Information

The forearm is the area that lies between the elbow and the wrist.

Anatomy of lower arm. This is known as nerve compression or a pinched nerve. In human anatomy the arm is the part of the upper limb between the glenohumeral joint shoulder joint and the elbow joint. It is important to first understand the anatomy of the forearm as any disease disorder or injury of these structures may be the reason for forearm pain.

That means pain from a shoulder injury such as a torn rotator cuff often radiates down your arm. The muscles in the forearm rotate flex and extend the wrist. The forearm is the area between the wrist and the elbow.

The coracobrachialis muscle the deltoid muscle. Your arm especially your forearm and wrist is a common area for this. 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.

This hinged joint allows the arm to open up to 180 degrees at full extension. It extends from the elbow to the wrist. The brachioradalis muscle connects the humerus upper arm bone to the radius shortest lower arm bone and aids in flexing the elbow.

It is homologous to the region of the leg. Additionally the biceps brachii operates as a supinator of the forearm by rotating the radius and moving the palm of the hand anteriorly. Muscles attached to the radius include.

Extending from the shoulder to the elbow the upper arm provides pulling and lifting strength. 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. Anterior compartment there are three muscles located in the anterior compartment of the upper arm biceps brachii coracobrachialis and brachialis.

The radius is long and curved in shape and runs parallel to the ulna. In common usage the arm extends to the hand. 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.

The lower arm or forearm bone is the radius. 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 flexor pollicis longus.

The function of the radius is to help in movement and supporting the arm. Several of the muscles in your upper arm are connected to your shoulder. In this article we shall look at the anatomy of the muscles of the upper arm their attachments innervation and actions.

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