Anatomy Of The Humerus

Although the word humerus comes from a latin word that means shoulder it is often referred to as the funny bone because humerus arm bone and humorous funny are homophones same sound different spelling and meaning. The head of the humerus forms the ball of the ball and socket shoulder joint with the glenoid cavity of the scapula acting as the socket.

Humerus Arm Bone Human Anatomy

The humerus is a long bone in the arm that runs from the shoulder to the elbow.

Anatomy of the humerus. The region articulates forming part of the shoulder joint. The humerus articulates proximal region by the scapula at the shoulder joint and radius and distal region with ulna at the elbow joint. In this anatomy and physiology lesson im going to cover the only bone that makes up the anatomical arm called the humerus which is part of the appendicular skeleton.

Large smooth and rounded end of the proximal humerus that lies obliquely and medially. The lower portion has two epicondyles the trochlea process the. It is located between the elbow joint and the shoulder.

This is a common condition in which the tendons surrounding. As well as its true anatomical neck the constriction below the g. The humerus is the long bone in the upper arm.

The largest bone in the upper arm anatomy. The humeral upper extremity consists of a rounded head a narrow neck and two short processes. At the elbow it connects primarily to the ulna as the forearms radial bone connects to the wrist.

Many muscles which manipulate the arm at the forearm at the elbow and the shoulder are anchored to the humerus. At the shoulder the humerus connects to the frame of the body via the glenoid fossa of the scapula. It connects the scapula and the two bones of the lower arm the radius and ulna and consists of three sections.

Anatomy of the humerus bone proximal region. The rounded shape of the head of the humerus allows the humerus to move in a complete circle circumduction and rotate around its axis at the shoulder joint. The upper portion of the humerus has a round head a thin neck and two tubercles.

Bony landmarks muscle attachment the humerus is described as having a proximal region shaft and distal region. Anatomical neck narrow constricted area lying just below the head of the humerus. The head of the humerus makes up a portion of the ball and socket shoulder joint.

The humerus has two large knobs at the top of the bone. The shaft of the humerus contains the deltoid tuberosity and the radial groove. The lower extremity consists of 2 epicondyles 2 processes and 3 fossae.

Humerus is known as the bone of the arm. It is the longest and also strongest bone of the upper limb. The body is cylindrical in its upper portion and more prismatic below.

The following nerves are located on the following aspects of the humerus.

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