the humerus, radius, ulna

head of the humerus

shaft of the humerus

nutrient foramen of the humerus

anatomical neck

surgical neck

greater tubercle

lesser tubercle

intertubercular sulcus (groove)

deltoid tuberosity (attachment for deltoideus muscle)

spiral groove (radial sulcus)

olecranon fossa

septal aperture (only present in some individuals)

coronoid fossa

trochlea

capitulum

lateral epicondyle

medial epicondyle

lateral supracondylar crest

medial supracondylar crest

shaft of the radius

nutrient foramen of the radius

head of the radius (radial head)

neck of the radius (radial neck)

radial tuberosity (attachment for biceps brachii)

interosseous crest (attachment of interosseous membrane)

anterior oblique line

ulnar notch

styloid process

dorsal tubercle

distal radial articular surface

shaft of the ulna

nutrient foramen of the ulna

olecranon process

trochlear notch

coronoid process

brachial tuberosity

radial notch

interosseous crest (attachment of interosseous membrane)

supinator crest

ulnar head

styloid process