Humeral Head Anatomy

The humerus articulates proximal region by the scapula at the shoulder joint and radius and distal region with ulna at the elbow joint. The humerus is the only bone found in the anatomical arm.

Humerus Anatomy And Clinical Notes Kenhub

The humerus is the largest bone in the entire upper extremity.

Humeral head anatomy. Greater tuberosity fracture displaced 5mm. Humeral head the head caput humeri is nearly hemispherical in form. It is directed upward medialward and a little backward and articulates with the glenoid cavity of the scapula to form the glenohumeral joint shoulder joint.

Bony landmarks muscle attachment the humerus is described as having a proximal region shaft and distal region. The most superior portion of the humeral head is typically 8 mm above the height of the greater tuberosity 2. The humerus is the longest and largest bone of the upper limb.

The shaft connects both the proximal and distal ends. Gross anatomy osteology the humerus begins proximally a. The average neck angle is 130.

The humerus is the largest bone of the upper limb and it has two ends and a shaft. The proximal end is round and has an articular head. 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.

Humeri is a tubular bone of the arm that articulates proximally at the shoulder with the glenoid of the scapula and distally at the elbow with the radius and ulna. The radius and ulna bones are found in the forearm. Most proximal humerus fractures can be treated nonoperatively including.

The humerus articulates with the scapula proximally at the glenohumeral joint so it participates in the movements of the shoulder. The top of the humerus joins with an area called the glenoid fossa on the scapula or shoulder blade. It consists of a proximal end a shaft and a distal end all which contain important anatomical landmarks.

The proximal humeral articular surface is a segment of a sphere that measures from 37 to 57 mm in diameter 5. In anatomy the arm is the part of the upper extremity from the elbow to the shoulder. Minimally displaced surgical and anatomic neck fractures.

Fractures in patients who are not surgical candidates. The distal end is irregular in shape. Additional variables to consider.

The humeral head average offset from the shaft is 3 mm posterior and 7 mm medial. 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. The bottom of the humerus touches the top of the radius and ulna which joins the upper arm with the lower arm.

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