Upper Region

• Diagrams of Arterial Supplies

Pectoral Region

• Pectoralis Major
• Pectoralis Minor
• Subclavius
• Serratus Anterior
• Breast

Muscles of the back

Extrinsic

• Trapezius
• Latissimus Dorsi
• Rhomboids
• Levator scapulae

Intrinsic

• Name the rotor cuff muscles
• Deltoid
• Teres Major
• Subscapularis
• Supraspinatus
• Infraspinatus
• Teres Minor

Axilla

• What forms the anterior border?
• What forms the medial border?
• What forms the posterior border?

Brachial plexus

• What spinal nerves form the brachial plexus?
• What are the five portions of the brachial plexus?
• What are the 3 trunks of the BP?
• What are the 3 chords of the BP?
• What are the 5 branches of the brachial plexus?
• HARD: Draw the brachial plexus

Upper arm: ANTERIOR

• Biceps brachii
• brachialis
• Coracobrachialis
• What is popeye sign and what is it caused by?

Anterior forearm

Superficial layer

• Pronator teres
• Flexor carpi radialis
• Palmaris longus
• Flexor carpi ulnaris

Intermediate layer

• flexor digitorum superficialis

Deep layer (punching muscles PPP)

• Flexor digitorum profundus
• Flexor pollicis longus
• Pronator quadratus
• What is the Flexor reticulum?

Carpal tunnel syndrome

• Which nerve is affected?

Look for medial cubical vein

Median nerve between superficialis and profundus

Carpal tunel syndrome associated with flexor reticulum

Distribution of the nerves on the hand

Ulna nerve posterior to medial epicondyle

Funny bone hitting ulna nerve

Hand Osteology

Palmar surface of hand

1/2 2 Lateral Lumbricals Opponens Pollicis, Abductor Pollicis Brevis, Flexor pollicis brevis (2 heads) 1/2 for Innervations → median nerve

1. Thenar Eminence (All for one)

• Abductor pollicis brevis
• Flexor pollicis brevis
• Opponens pollicis

1. hypothenar eminence (One for all)

• abductor digiti minimi
• Flexor digiti minimi
• opponens digiti minimi
• 3. Lumbricals
• 4. Interossei
• Adductor Pollicis
• Palmaris Brevis
• Which bone radius or ulna is the cephalic vein associated with?
• Which bone (radius or ulna) is the basilic vein associated with?

Upper Arm: POSTERIOR

• Triceps brachii

Posterior Forearm

1. Superficial

• Brachioradialis
• Extensor carpi radialis longus
• Extensor carpi radialis brevis
• Extensor digitorum
• Extensor digit minimi
• Extensor carpi ulnaris
• Anconeus

1. Deep layer

• Supinator
• Extensor indicis
• Abductor pollicis longus
• Extensor pollicis longus
• Extensor pollicis brevis

Anatomical Snuff Box

• What makes up the lateral border?
• What makes up the medial border?
• What makes up the floor?