13: Anatomy for Needle EMG

Question 1

Innervation of PQ and FPL?

Answer 1

AIN, median nerve, lateral-medial cords, middle and lower trunks, C7-T1

Question 2

Innervation of FDS?

Answer 2

Median nerve, medial-lateral cords, middle-lower trunks, C7-8

Question 3

Trick to help activate the medial gastroc?

Answer 3

Flex the knee first, then have patient plantar flex the ankle

Question 4

In terms of innervation, medial hamstrings are ____, and lateral hamstrings are _____

Answer 4

L5;

S1

Question 5

What innervates the masseter?

Answer 5

Mandibular nerve, trigem motor branch (V3), pons