Which Structure(s) Directly Secures the Humerus to the Glenoid Cavity

question 23

Multiple Choice

Which structure(s) directly secures the humerus to the glenoid cavity?

• A) the rotator cuff
• B) the glenohumeral ligaments
• C) the coracohumeral ligament
• D) the tendon of the biceps brachii muscle

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Definitions:

Ulna

One of the two long bones in the forearm, extending from the elbow to the smallest finger, and playing a vital role in arm movement and stability.

Pivot Joint

A type of synovial joint that allows rotation around a single axis, such as the joint between the first and second cervical vertebrae in the neck.

Forearm

The part of the arm between the elbow and the wrist.

Supination

The rotational movement of the forearm or foot that results in the palm or sole facing upwards or forwards.