Quizzes · Knowledge
Muscles of the Human Upper Arm and Shoulder: Type-in
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- 01Which broad, flat muscle of the middle and lower back is known as the 'lats' and is responsible for arm extension, adduction, and internal rotation?
- 02What is the large, triangular muscle that forms the rounded contour of the human shoulder and is the prime mover of arm abduction?
- 03This muscle, often called the 'little helper' of the latissimus dorsi, assists in adduction and medial rotation of the humerus.
- 04Which large, fan-shaped muscle of the upper chest is responsible for adduction and medial rotation of the arm?
- 05Which rotator cuff muscle initiates arm abduction (the first 15 degrees) and is located in the supraspinous fossa of the scapula?
- 06What is the collective term for the group of four muscles (supraspinatus, infraspinatus, teres minor, and subscapularis) that stabilize the shoulder joint?
- 07What is the large three-headed muscle on the back of the upper arm that acts as the primary extensor of the elbow joint?
- 08Name the large two-headed muscle on the front of the upper arm responsible for flexing the elbow and supinating the forearm.
- 09Which rotator cuff muscle is the main external rotator of the shoulder and is located in the infraspinous fossa of the scapula?
- 10This muscle lies deep to the biceps brachii and is the most powerful flexor of the elbow.