Myotomes and Sclerotomes

Question 1

Myotomes are a group of muscles innervated by what?

Answer 1

MOTOR FIBERS
of
A SINGLE NERVE ROOT

Question 2

Are myotome patterns consistent from person to person?

Answer 2

YES

Question 3

Which myotomes are easy to visualize?

Answer 3

T2 - T12

Question 4

Which myotomes are tricky to visualize?

Answer 4

EXTREMITIES

because of plexuses, the motor distribution from a single ventral root usually serves more than 1 muscle

Question 5

A _______________ represents 1 spinal nerve’s responsibilities for connective tissue and joints.

Answer 5

SCLEROTOME

Question 6

What is the law stating - A nerve that supplies a joint, supplies the mm that move it and/or the skin that covers those mm attachments; as a result of embryological development?

Answer 6

HILTON’S LAW

Question 7

What does the musculocutaneous (post plexus) nerve, supply the elbow joint with?

Answer 7

PAIN and PROPRIOCEPTION FIBERS
\+
SUPPLIES BICEPS BRACHII and BRACHIALIS
\+
FOREARM SKIN NEAR INSERTIONS ^