Proximal Humerus Anatomy

The distal end consists of both articular and non articular parts. The humerus is the long bone in the upper arm that sits between.

Shoulder Girdle Radiology Key

Bony landmarks muscle attachment bony landmarks of humerus.

Proximal humerus anatomy. Head is a large rounded projection that reaches medially from the bones proximal end. The proximal humeral articular surface is a segment of a sphere that measures from 37 to 57 mm in diameter. Blood supply of.

The proximal humerus is the top portion of the humerus upper arm bone. A proximal humerus fracture is typically categorised. Especially common in elderly individuals due to osteoporosis proximal humerus fractures are among the most common broken bones in the shoulder.

The humeral upper extremity consists of a rounded head a narrow neck. The average neck angle is 130. The proximal humerus is important because it forms half of the shoulder joint.

Causes of proximal humerus fractures. It connects the scapula and the two bones of the lower arm the radius and ulna and consists of three sections. The humeral head is covered in articular cartilage a slippery covering that allows bone to move smoothly on bone and articulates moves against with the socket of the shoulder joint the glenoid.

Most proximal humerus fractures can be treated nonoperatively including. Proximal humerus fracture anatomy overview. Proximal humerus fractures account for a majority.

At its proximal end the humerus forms a smooth spherical structure known as the head of the humerus. Greater tuberosity fracture displaced 5mm. A proximal humerus fracture is a common injury to the shoulder.

Muscle attachment of humerus. Fractures in patients who are not surgical candidates. Minimally displaced surgical and anatomic neck fractures.

The humerus ˈhjuːmərəs plural. Continue scrolling to read more below. Humeri is a long bone in the arm or forelimb that runs from the shoulder to the elbow.

In fact in patients older than 65 proximal humerus fractures are the third most common broken bone after hip fractures and wrist fractures. About 80 of proximal humeral fractures are what medical professionals call non displacedmeaning the broken bones remain in their correct anatomical position. Classification of humerus fractures.

The proximal end of the humerus consists of a head an anatomical neck and. The most superior portion of the humeral head is typically 8 mm above the height of the greater tuberosity. Additional variables to consider.

Non displaced and minimally displaced fractures can usually be treated successfully without surgery. It connects with the glenoid fossa of the scapula to form the glenohumeral joint. Anatomy bony landmarks and function of the humerus.

The humeral head average offset from the shaft is 3 mm posterior and 7 mm medial.

Posterior View Scapula And Proximal Humerus