Upper Limb Anatomy Quiz

What is the insertion of the biceps brachii?

• Olecranon

• Radial tuberosity

• Tuberosity of the ulna

• Coracoid process

The biceps brachii is innervated by which nerve?

• Median nerve

• Radial nerve

• Musculocutaneous nerve

• Ulnar nerve

Which muscle is a powerful flexor of the forearm at the elbow joint?

• Coracobrachialis

• Biceps brachii

• Brachialis

• Triceps brachii

What is the origin of the brachialis muscle?

• Apex of the coracoid process

• Supraglenoid tubercle

• Posterior surface of the humerus

• Anterior aspect of the humerus

Which nerve also contributes to the innervation of the lateral part of the brachialis muscle?

• Ulnar nerve

• Radial nerve

• Median nerve

• Axillary nerve

Which head of the triceps brachii originates from the infraglenoid tubercle?

• Medial head

• Lateral head

• Long head

• None of the above

The main function of the triceps brachii is:

• Flexion of the arm at the shoulder

• Supination of the forearm

• Extension of the forearm at the elbow

• Adduction of the arm

Which nerve innervates the triceps brachii?

• Radial nerve

• Median nerve

• Ulnar nerve

• Musculocutaneous nerve

What is the insertion of the triceps brachii?

• Radial tuberosity

• Olecranon

• Tuberosity of the ulna

• Coracoid process

Which head of the triceps can also extend and adduct the arm at the shoulder joint?

• Medial head

• Lateral head

• Long head

• None