ANATOMY

Detailed explanation-1: -An olecranon fracture is a break in the “pointy bone” of your elbow that sticks out when you bend your arm, which is actually the end of the ulna. This type of fracture is common and usually occurs in isolation (there are no other injuries) but can also be a part of a more complex elbow injury.

Detailed explanation-2: -Olecranon process consists of bone of proximal ulna from base of coronoid process (down arrow) proximally. Trochlear notch (up arrows; also called semilunar notch) is articular surface shown between two arrows. The ulnar nerve lies on the posterior aspect of the elbow, posterior to the medial collateral ligament.

Detailed explanation-3: -The elbow is made up of a group of bones that connect the humerus (upper arm) to the ulna and the radius (the forearm bones). The olecranon or “tip of the elbow” is part of the ulna.

Detailed explanation-4: -The olecranon is situated at the proximal end of the ulna, one of the two bones in the forearm. When the hand faces forward (supination) the olecranon faces towards the back (posteriorly).