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the ulna fits into the olacranon fossa, specifically the olecranon process.
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∙ 14y ago
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Bone that contains the olecranon fossa?
The bone that contains the olecranon fossa is the humerus, which is located in the upper arm. The olecranon fossa is a depression on the posterior side of the humerus that accommodates the olecranon process of the ulna when the arm is extended.
What is the landmark that contacts with olecranon fossa to form its joint?
The landmark that contacts with olecranon fossa to form its joint is the olecranon process of the ulna. It forms the elbow joint with the humerus at the olecranon fossa, providing stability and allowing for extension of the forearm.
Where is the olecranon fossa located?
The olecranon fossa is located on the posterior aspect of the humerus bone in the elbow joint. It is a depression that accommodates the olecranon process of the ulna when the elbow is fully extended.
What does the olecranon fossa articulate with?
The olecranon fossa of the humerus articulates with the olecranon process of the ulna when the elbow is extended. This forms the back part of the elbow joint.
What bone sits in the olecranon fossa?
The olecranon fossa is a depression in the humerus bone of the upper arm, and it is specifically designed to accommodate the olecranon process of the ulna bone. The olecranon is a prominent bony projection at the end of the ulna that forms the bony part of the elbow.
When the arm is straight which structure accepts the olecranon?
When the arm is straight, the olecranon process of the ulna fits into the olecranon fossa of the humerus, forming part of the elbow joint. This configuration allows for the extension and flexion of the arm.
Bone that contains the olecranon fossa?
The bone that contains the olecranon fossa is the humerus, which is located in the upper arm. The olecranon fossa is a depression on the posterior side of the humerus that accommodates the olecranon process of the ulna when the arm is extended.
What is the landmark that contacts with olecranon fossa to form its joint?
The landmark that contacts with olecranon fossa to form its joint is the olecranon process of the ulna. It forms the elbow joint with the humerus at the olecranon fossa, providing stability and allowing for extension of the forearm.
Fossa on distal posterior surface of humerus?
The fossa on the distal posterior surface of the humerus is the olecranon fossa. It is located above the trochlea and accommodates the olecranon process of the ulna when the elbow is extended. It helps to increase the range of motion of the elbow joint.
Where is the olecranon fossa located?
The olecranon fossa is located on the posterior aspect of the humerus bone in the elbow joint. It is a depression that accommodates the olecranon process of the ulna when the elbow is fully extended.
What does the olecranon fossa articulate with?
The olecranon fossa of the humerus articulates with the olecranon process of the ulna when the elbow is extended. This forms the back part of the elbow joint.
What bone sits in the olecranon fossa?
The olecranon fossa is a depression in the humerus bone of the upper arm, and it is specifically designed to accommodate the olecranon process of the ulna bone. The olecranon is a prominent bony projection at the end of the ulna that forms the bony part of the elbow.
What is the depression on the ulna into which the humerus inserts?
olecranon fossa
What is the function of the olecranon fossa?
The olecranon fossa is a depression located at the distal end of the humerus bone. Its function is to accommodate and articulate with the olecranon process of the ulna during elbow extension, allowing for smooth movement and stability in the joint.
When the arm is straight where is the olecranon process?
The olecranon process is the bony prominence at the tip of the elbow and is part of the ulna bone. When the arm is straight, the olecranon process is directly at the back of the elbow joint, providing stability and acting as a lever for movements like extension.
How do the articulating bones of the elbow prevent hyper-extension of this joint?
The articulating bones of the elbow joint, including the humerus, radius, and ulna, have specific bony structures and ligaments that limit the range of movement to prevent hyperextension. The olecranon process of the ulna fits into the olecranon fossa of the humerus, creating a bony block to limit extension. Additionally, the ulnar collateral ligament on the inner side of the elbow provides stability and restricts excessive outward movement, helping to prevent hyperextension.
Anterior depression superior to the trochlea that receives part of the ulna whenthe forearm is flexed?
The structure described is the coronoid fossa of the humerus, which accommodates the coronoid process of the ulna when the forearm is flexed.
