Upper Extremity - Innervation Flashcards
What innervates the latissimus dorsi?
Thoracodorsal (C6 - C8)
What innervates the trapezius?
Spinal accessory nerve; C3 and C4 nerves (proprioceptive)
What innervates the deltoid?
Axillary nerve (C5 - C6)
What innervates the supraspinatus?
Suprascapular nerve (C5 - C6)
What innervates the infraspinatus?
Suprascapular nerve (C5 - C6)
What innervates the teres major?
Lower subscapular nerve (C6 - C7)
What innervates the teres minor?
Axillary nerve (C5 - C6)
What innervates the subscapularis?
Lower and upper subscapular nerves (C5 - C6)
What innervates the pectoralis major?
Lateral and medial pectoral nerves (C5 - C8 and T1)
What innervates the biceps brachii?
Musculocutaneous nerve (C5 - C6)
What innervates the coracobrachialis?
Musculocutaneous nerve (C6 - C7)
What innervates the brachialis?
Musculocutaneous nerve (C5 - C6) and branch of radial nerve (C7)
What innervates the triceps brachii?
Radial nerve (C7 - C8)
What innervates the anconeus?
Radial nerve (C7 - C8)
What innervates the pronator teres?
Median nerve (C6 - C7)
What innervates the pronator quadratus?
Median nerve (C8 and T1)
What innervates the flexor carpi radialis?
Median nerve (C6 - C7)