Anatomy Of Lower Arm

Muscles attached to the radius include. This is known as nerve compression or a pinched nerve.

Muscles Of The Lower Arm And Hand Human Anatomy And

Additionally the biceps brachii operates as a supinator of the forearm by rotating the radius and moving the palm of the hand anteriorly.

Anatomy of lower arm. It extends from the elbow to the wrist. The radius is long and curved in shape and runs parallel to the ulna. 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.

Several of the muscles in your upper arm are connected to your shoulder. Your arm especially your forearm and wrist is a common area for this. Anterior compartment there are three muscles located in the anterior compartment of the upper arm biceps brachii coracobrachialis and brachialis.

In human anatomy the arm is the part of the upper limb between the glenohumeral joint shoulder joint and the elbow joint. The flexor pollicis longus. 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.

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

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

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 flexor digitorum superficialis. The brachioradalis muscle connects the humerus upper arm bone to the radius shortest lower arm bone and aids in flexing the elbow.

In this article we shall look at the anatomy of the muscles of the upper arm their attachments innervation and actions. It has two long bones known as the ulna and the radius. This hinged joint allows the arm to open up to 180 degrees at full extension.

The lower arm or forearm bone is the radius. The function of the radius is to help in movement and supporting the arm. It is homologous to the region of the leg.

In common usage the arm extends to the hand. The coracobrachialis muscle the deltoid muscle. Extending from the shoulder to the elbow the upper arm provides pulling and lifting strength.

Forearm Muscles