Lab 1 Super and Int Back

Question 1

The Trapezius is innervated by the _______ _______ nerve

Answer 1

Spinal Accessory CN XI

Question 2

The left Superior Trapezius would tilt the head to the ____ and rotate the head to the ____

Answer 2

Left, Right

Question 3

The Latissimus Dorsi is innervated by the _____ nerve (C6-C8)

Answer 3

Thoracodorsal

“Thoarco is a bit more low”

Question 4

The two main functions of the Latissimus dorsi are _____ rotation of the arm and ______ of the arm

Answer 4

Internal, Adduction

(They insert onto interburcle groove of the humerus)

Question 5

The Levator Scapulae, Rhomboid Minor, Rhomboid Major are all innervated by the _____ _____ Nerve (C4-C5)

Answer 5

Dorsal Scapular

“In the Elevator, I found a Rhomboid Shaped Nintendo DS”

Question 6

The Splenius Capitis and Splenius Cervicis are both innervated by the Dorsal Rami from Segments _____ to ______, which makes sense because they’re more superficial than semispinalis

Answer 6

C1-C6

Question 7

Both the Splenius and Semispinalis muscles _____ the head and Cervical Spine

Answer 7

Extend

Question 8

Considering that there are 8 Cranial Nerves, what are the Dorsal Rami innervation levels of Semispinalis Capitis?

Answer 8

C4-C8

Question 9

The Erector Spinae muscles are innervated by the Dorsal Rarmi from Segments _____ to ______, they’re REALLY Long

Answer 9

C1 - L5