Long Bones

humerus, ulna, radius

humeral head

where does the head of the ulna articulate with?

ulnar notch on radius

what does the humeral head articulate with?

glenoid fossa

greater tubercle of humerus

lesser tubercle

where does the tricep brachii muscle (extensor) insert?

olecranon of ulna

Intertubercular groove

what articulates with the intertubercular groove?

long head of biceps brachii (tendon)

where does the short head of the bicep brachii (flexor of elbow) articulate?

coracoid process of scapula

shaft of humerus

deltoid tuberosity of humerus

anteromedial

nutrient foramen on humerus

posterior

Olecranon fossa

what does the olecranon fossa articulate with during extension of elbow?

olecranon of ulna

lateral

radial fossa

what does the radial head articulate with?

radial fossa

medial

coronoid fossa

what does the coronoid fossa articulate with during max flexion of elbow?

coronoid process of ulna

lateral + anterior

capitulum

anterior surface

trochlea

lateral epicondyle

what forms the broader lateral wall of olecranon fossa

lateral epicondyle

what muscles attach to the lateral epicondyle?

extensor muscles of wrist (extension) and supinator muscle (supination)

juts out a lot more (medial)

medial epicondyle

what forms the narrow medial wall of olecranon fossa?

medial epicondyle

what muscles attach to the medial epicondyle?

flexor muscles of wrist (flexion) and pronator teres muscle (pronation)

articulations for radius

humerus, ulna, lunate, scaphoid

proximal

head of radius

neck of radius

anteromedial

radial tuberosity

what muscle articulates with the radial tuberosity?

bicep brachii muscle

shaft of radius

anterior

nutrient foramen of radius

medial

interosseous crest of radius

medial, distal

ulnar notch of radius

lateral

styloid process of radius

posterior

groove for extensor muscle tendons of radius

what articulates with the groove for extensor tendons?

extensor digitorum muscle from lateral epicondyle

medial lunate
lateral scaphoid

distal (carpal) articular surface of radius

olecranon (process) of ulna

ulna

trochlear notch

anterior

coronoid process of ulna

trochlear on ulna

depression

ulnar (brachial) tuberosity of ulna

shaft of ulna

anterior

nutrient foramen of ulna

lateral

interosseous crest of ulna

what does the interosseous membrane articulate with?

lateral border interosseous crest of ulna & medial interosseous crest of radius

styloid process of ulna

head of ulna

extensor carpi ulnaris groove

rotator cuff muscles that articulate with the greater tubercle

supraspinatus, infraspinatus, teres minor

rotator cuff muscles that articulate with the lesser tubercle

subscapularis

how to side humerus

head is medial, olecranon fossa is posterior, medial epicondyle juts out more

how to side radius

tuberosity anteromedial, styloid processes lateral, sharp crest down

how to side ulna

hook (olecranon) up, sharp crest is lateral

what does metacarpal 1 articulate with?

trapezium

what does metacarpal 2 articulate with

trapezium, trapezoid, capitate

what does metacarpal 3 articulate with

capitate

what does metacarpal 4 articulate with

hamate, sometimes capitate

what does metacarpal 5 articulate with

hamate