• coracobrachialis muscle
• biceps brachii muscle
• subscapularis muscle

Nerves

• superior, middle and inferior trunks of the brachial plexus
• anterior and posterior divisions of the brachial plexus
• lateral, medial and posterior cords of the brachial plexus
• median nerve
• musculocutaneous nerve
• ulnar nerve
• axillary nerve
• thoracordorsal nerve
• upper and lower subscapular nerves
• lateral and medial pectoral nerves
• medial brachial and antebrachial nerves

Arteries

• axillary artery
• thoracoacromial trunk and branches dissected earlier
• thoracodorsal artery
• subscapular artery
• anterior and posterior humeral circumflex arteries
• circumflex scapular artery
• lateral thoracic artery