Elbow Innvervation Flashcards
What are the 4 elbow flexor muscles?
Biceps brachii
Brachial
Brachioradialis
Pronator Teres
Which muscle is the main elbow flexor?
Brachialis
Biceps Brachii
Nerve Roots, Trunk, Cord, Branches
C5-6, upper trunk, lateral cord, musculocutaneous nerve
Brachialis
Nerve Roots, Trunk, Cord, Branches
C5-6, upper trunk, lateral cord, musculocutaneous nerve
Brachioradialis
Nerve Roots, Trunk, Cord, Branches
C5-6, upper trunk, lateral cord, Radial nerve (below Spiral groove)
Pronator Teres
Nerve Roots, Trunk, Cord, Branches
C6-7, upper and middle trunk, lateral cord, median nerve
2 muscles for elbow extension
Triceps
Anconeus
Triceps
Nerve Roots, Trunk, Cord, Branches
C6-7-8, all 3 trunk, posterior cord, radial nerve (innervated ABOVE spiral groove)
Anconeus
Nerve Roots, Trunk, Cord, Branches
C6-7-8, all 3 trunk, posterior cord, radial nerve (innervated ABOVE spiral groove)
2 forearm supinator muscles
Biceps brachii
Supinator
Main forearm supinator muscle
Biceps brachii
Supinator
Nerve Roots, Trunk, Cord, Branches
C5-6, upper trunk, posterior cord, radial nerve, PIN
2 forearm pronator muscles
Pronator Teres
Pronator Quadratus
Pronator Teres
Nerve Roots, Trunk, Cord, Branches
C6-7, upper and middle trunks, lateral cord, median nerve
Pronator Quadratus
Nerve Roots, Trunk, Cord, Branches
C7-8-T1, middle and lower trunks, medial and lateral cord, median nerve, AIN