Elbow Anatomy

Humerus

long bone in arm

medial epicondyle

part of humerus on distal and medial end, medial side of elbow (anterior view picture)

lateral epicondyle

part of humerus on distal and lateral end, lateral side of elbow (anterior view picture)

Capitulum

rounded eminence on the lateral and distal part of humerus, also articulates with the head of the radius (anterior view picture)

trochlea

medial portion of the humerus that articulates with ulna (anterior view picture)

Ulna

forearm bone on medial side, pinkie side

olecranon process

process of ulna on posterior side and proximal side (anterior view right hand picture)

coronoid process

process of ulna on anterior side and proximal side (anterior view right hand picture)

radius

forearm bone on lateral side, thumb side

radial head

radial neck

humeroulnar joint

proximal radioulnar joint

radiohumeral joint

biceps brachii

brachialis

triceps brachii

brachioradialis

supinator

pronator teres

anconeus

wrist flexors

wrist extensors

brachial artery

ulnar artery

radial artery

ulnar nerve

radial nerve

median nerve

olecranon bursa

Radial (Lateral) Collateral Ligament

Ulnar (Medial) Collateral Ligament

Annular Ligament