Upper Limb Anatomy

Upper Limb Anatomy
Features of Humerus
Medial Epicondyl - Flexors

Lateral Epicondyl - Extensors

trochlea - Ulna

Capitulum Radial head




Features of radius and ulna
Radius - Big at bottom

Ulna - Big at top (Olecranon)

Olecranon = pointy bit of elbow

Notches - At small ends




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Radial Nerve Motor Innervation
Triceps and forearm extensors


Ulnar nerve motor innervation
Intrinisc muscles of hand -

except thenar and lateral 2 lumbricals

, Flexor carpi ulnars

1/2 flexor digitorum profundus


Median nerve innervates
Flexors of forearm -

Except carpi ulnaris and half flexor digitorum

Thenar muscles

Lateral 2 lumbricals


Musculocutaneous nerve motor innervation


Axillary nerve motor innervation
Deltoid

Teres Minor




Sensory innervation of arm


Tests for each nerve in hand
Median - thumb abduction

Tineals + Phaeleans

Ulnar - Finger adduction

Radial - Wrist extension


Boundry of cubital fossa
Pronator Teres

Brachioradialis

Between epicondyls


Contents of cubital fossa
Radial + Median nerves