Proximal Humerus Anatomy

The proximal humerus is the top portion of the humerus upper arm bone. The humerus ˈhjuːmərəs plural.

Proximal Humerus Fractures Trauma Orthobullets

The proximal humerus is important because it forms half of the shoulder joint.

Proximal humerus anatomy. Humeri is a long bone in the arm or forelimb that runs from the shoulder to the elbow. It connects the scapula and the two bones of the lower arm the radius and ulna and consists of three sections. The proximal humeral articular surface is a segment of a sphere that measures from 37 to 57 mm in diameter.

In fact in patients older than 65 proximal humerus fractures are the third most common broken bone after hip fractures and wrist fractures. A proximal humerus fracture is typically categorised. Minimally displaced surgical and anatomic neck fractures.

Fractures in patients who are not surgical candidates. At its proximal end the humerus forms a smooth spherical structure known as the head of the humerus. Bony landmarks muscle attachment bony landmarks of humerus.

Continue scrolling to read more below. Non displaced and minimally displaced fractures can usually be treated successfully without surgery. Anatomy bony landmarks and function of the humerus.

The average neck angle is 130. Causes of proximal humerus fractures. A proximal humerus fracture is a common injury to the shoulder.

The most superior portion of the humeral head is typically 8 mm above the height of the greater tuberosity. Most proximal humerus fractures can be treated nonoperatively including. It connects with the glenoid fossa of the scapula to form the glenohumeral joint.

Additional variables to consider. 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. Especially common in elderly individuals due to osteoporosis proximal humerus fractures are among the most common broken bones in the shoulder.

The distal end consists of both articular and non articular parts. About 80 of proximal humeral fractures are what medical professionals call non displacedmeaning the broken bones remain in their correct anatomical position. Blood supply of.

Proximal humerus fractures account for a majority. Head is a large rounded projection that reaches medially from the bones proximal end. The humeral head average offset from the shaft is 3 mm posterior and 7 mm medial.

Greater tuberosity fracture displaced 5mm. The proximal end of the humerus consists of a head an anatomical neck and. The humerus is the long bone in the upper arm that sits between.

Muscle attachment of humerus. The humeral upper extremity consists of a rounded head a narrow neck. Proximal humerus fracture anatomy overview.

Classification of humerus fractures.

Adult Shoulder Fractures Midwest Bone And Joint Institute

Proximal Humerus Tumors Springerlink