Tracts

Question 1

Sensory Tracts - posterior compartment

Answer 1

Fasiculus cuneatus - sensory info for upper extremities
Fasiculus gracilis - sensory info for lower extremities

both proprioception, deep and discriminative touch, and visceral pain

cross at midbrain level

Question 2

Anterior and lateral spinothalamic system

Answer 2

sensory tract important for pain, temp and crude touch

crosses 2-3 spinal levels above point of entry

Question 3

lateral reticulospinal tract

Answer 3

posture, balance, trunk, and proximal muscle control

Question 4

Ventral + dorsal spinocerebellar tracts

Answer 4

proprioception for the trunk and lower extremities

Question 5

Lateral corticospinal tract

Answer 5

largest motor tract
key control for voluntary motion especially in limbs
innervates ipsilateral muscles and crosses at the level of midbrain

Question 6

C8 exits

Answer 6

below C7 or above T1

Question 7

C1-C7 EXIT

Answer 7

above respective spinal vertebra

Question 8

T1- S5

Answer 8

exit below