Muscles of the Shoulder and Upper Arm Quiz

Which muscle is involved in swinging the arm and also raises the arm to perform tasks, such as writing on an elevated surface?

• Trapezius

• Pectoralis major

• Latissimus dorsi

• Deltoid

Which muscle drives all forward-reaching and pushing movements and pulls the shoulder down and forward?

• Trapezius

• Deltoid

• Serratus anterior

• Pectoralis major

Which muscle raises and lowers the shoulders and stabilizes the scapula during arm movements?

• Trapezius

• Deltoid

• Rotator cuff

• Latissimus dorsi

Which muscle extends the upper arm backward, such as when rowing or swimming, and when grasping an object overhead?

• Rotator cuff

• Pectoralis major

• Deltoid

• Latissimus dorsi

Which muscle is the prime mover when flexing the forearm?

• Brachialis

• Biceps brachii

• Brachioradialis

• Triceps brachii

Which muscle assists the brachialis when flexing the forearm?

• Brachioradialis

• Triceps brachii

• Biceps brachii

• Brachialis

Which muscle is the prime mover when extending the forearm?

• Triceps brachii

• Brachioradialis

• Brachialis

• Biceps brachii

Which muscle allows the arm to pronate (palms down)?

• Pronator muscle

• Supinator muscle

• Flexors

• Extensors

Which muscle lies deep in the forearm near the elbow and allows supination (palms up)?

• Pronator muscle

• Supinator muscle

• Extensors

• Flexors

Which muscles are located on the anterior of the forearm and flex the wrist?

• Pronator muscle

• Supinator muscle

• Extensors

• Flexors