Elbow X-ray Labeling Quiz

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Questions and Answers

What bone is represented by the term 'ulna'?

A bone in the spine
A bone in the leg
A bone that makes a 'u' (correct)
A bone in the arm opposite to the radius (correct)

What is the name of the bone referred to as 'radius'?

Radius

What bone is referred to as 'humerus'?

Humerus

What is the 'trochlear notch of ulna'?

Trochlear notch of ulna Signup and view all the answers

Define 'olecranon process'.

Olecranon process Signup and view all the answers

What is the 'coracoid process'?

Coracoid process Signup and view all the answers

Flashcards

Ulna

The ulna is a bone in the forearm that forms a 'U' shape with the humerus.

Radius

The radius is one of the two long bones in the forearm, located on the thumb side.

Humerus

The humerus is the long bone in the upper arm, extending from the shoulder to the elbow.

Trochlear Notch of Ulna

The trochlear notch of the ulna is a large depression that articulates with the trochlea of the humerus to form part of the elbow joint.

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Olecranon Process

The olecranon process is a bony projection of the ulna at the elbow, forming the prominent point of the elbow. It fits into the olecranon fossa of the humerus.

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Coracoid Process

The coracoid process is a hook-shaped bony projection from the scapula (shoulder blade) that serves as an attachment site for several muscles and ligaments of the shoulder.

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Study Notes

Elbow X-ray Labeling

Ulna: A bone in the forearm that forms the inner side of the elbow joint; identifiable by its U-shaped structure that curves around the radius.
Radius: The lateral bone of the forearm, situated on the opposite side of the ulna; plays a critical role in wrist and forearm movement.
Humerus: The long bone in the upper arm extending from the shoulder to the elbow; articulates with both the ulna and radius to form the elbow joint.
Trochlear Notch of Ulna: A deep, curved indentation on the ulna that fits over the trochlea of the humerus; essential for hinge-like movement at the elbow.
Olecranon Process: The bony prominence of the ulna at the elbow; serves as a lever for the triceps muscle, facilitating arm extension.
Coracoid Process: A small, hook-like structure on the scapula that provides attachment for several muscles, although not directly involved in the anatomy of the elbow.