Elbow and Shoulder Anatomy Quiz

What is the primary action of the Biceps Brachii during elbow flexion?

• Extends the elbow

• Flexes the elbow

• Supinates the forearm

• Adducts the shoulder

Which muscle group assists in elbow flexion?

• Extensor muscles of the wrist

• Flexor muscles of the wrist and fingers

• Triceps Brachii

• Anconeus

What is the normal range of motion (ROM) for elbow flexion?

• 0° to 90°

• 0° to 120°

• 0° to 145°-160°

• 0° to 180°

What is the main purpose of stabilizing the proximal joint segment during ROM assessment?

• To make the test more challenging

• To prevent compensatory movements at other joints

• To increase the range of motion

• To improve muscle strength

Which of the following muscles assists with supination of the forearm?

• Biceps Brachii

• Triceps Brachii

• Supinator

• Pronator Quadratus

What is the action of the Brachialis muscle during elbow flexion?

• Supinates the forearm

• Flexes the elbow

• Extends the elbow

• Adducts the shoulder

What is the origin of the long head of the Biceps Brachii?

• Supraglenoid tubercle of the scapula

• Coracoid process of the scapula

• Distal humerus

• Radial tuberosity

Which nerve innervates the Biceps Brachii?

• Radial nerve

• Musculocutaneous nerve

• Median nerve

• Ulnar nerve

Which muscle is responsible for forearm pronation?

• Biceps Brachii

• Supinator

• Pronator Teres

• Triceps Brachii

What is the action of the Triceps Brachii?

• Flexes the elbow

• Extends the elbow

• Supinates the forearm

• Adducts the shoulder