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30 Οκτ 2023 · The posterior surface is bounded by the medial and lateral borders and is covered mostly by the medial head of the triceps brachii muscle. A ridge on the proximal third also gives attachment to the lateral head of the triceps brachii.
Humerus. The articular surface of the humeral head points in a medial, posterior and slightly caudal direction and is separated from the major and minor tuberosities by its anatomical neck. When the arm is hanging down the side with its anterior aspect facing the body, the greater tuberosity lies laterally and . the lesser tuberosity anteriorly.
Humerus Bone Anatomy. We’re going to be looking at a humerus from the right arm (pictured above), with the anterior (or front) view on the left, and the posterior (or back) view on the right. Head – Let’s start with the ball-shaped section at the proximal end (or top) of the humerus, which is called the head.
Surgical view of the posterior approach with triceps-sparing: this approach damages the triceps muscle less during surgery because it is entirely pulled out medially. In addition, this access allows to have a direct view of the fracture, which facilitates
7 Αυγ 2023 · Posterior compartment muscles: The triceps brachii muscle contains three heads, with the medial head originating on the posterior aspect of the humerus, inferior to the spiral groove, and the lateral head originating on the posterior surface, both insert into the olecranon process of the ulna and allow extension of the forearm at the elbow ...
17 Δεκ 2018 · The humerus is the largest bone of the upper extremity and defines the human brachium (arm). It articulates proximally with the glenoid via the glenohumeral (GH) joint, and distally with the...
The AP view of the humerus is part of the humerus series and is usually taken in a standing position. However, it can also be obtained in a supine position. The projection demonstrates the humerus in its natural anatomical position allowing for adequate radiographic examination of the entire humerus and its respective articulations. Indications.
