Upper Limb Muscles

Front

What is the teres minor muscle?

Back

The teres minor is a small muscle located in the shoulder, part of the rotator cuff, responsible for external rotation of the arm.

Front

What are flexor muscles?

Back

Flexor muscles are muscles that decrease the angle between two body parts, primarily responsible for bending joints.

Front

What is the function of the biceps brachii?

Back

The biceps brachii is a muscle in the upper arm that flexes the elbow and supinates the forearm.

Front

What is the role of the deltoid muscle?

Back

The deltoid muscle is responsible for shoulder abduction, flexion, and extension, giving the shoulder its rounded shape.

Front

What is the brachioradialis muscle?

Back

The brachioradialis is a muscle of the forearm that flexes the elbow, particularly when the forearm is in a neutral position.

Front

What are the main muscles involved in shoulder rotation?

Back

The main muscles involved in shoulder rotation include the rotator cuff muscles: supraspinatus, infraspinatus, teres minor, and subscapularis.

Front

What is the difference between extensors and flexors?

Back

Extensors are muscles that increase the angle between body parts, while flexors decrease the angle.

Front

What is the function of the triceps brachii?

Back

The triceps brachii is a muscle located at the back of the upper arm that extends the elbow.

Front

What is the significance of the rotator cuff?

Back

The rotator cuff is a group of muscles and tendons that stabilize the shoulder joint and allow for a wide range of shoulder movements.

Front

What are abductors?

Back

Abductors are muscles that move a limb away from the midline of the body, such as the deltoid and gluteus medius.