Back Muscles

Question 1

What are the 3 types of muscle?

Answer 1

Smooth, cardiac, and skeletal.

Question 2

What are the 3 layers of connective tissue that surround muscles?

Answer 2

Endomysium- surround individual fibers
Perimysium- surround fiber bundles
Epimysium- surround entire muscle

Question 3

What are the deep back muscles innervated by?

Answer 3

Dorsal Rami

Question 4

What muscles make up the splenius muscle group?

Rough description where it is found?

Answer 4

Splenius capitis
splenius cervicis

Deep to trapezius on dorsal neck

Question 5

What muscles make up the Erector spinae muscle group?

Rough description of where they are

Answer 5

Iliocostalis Muscle
Longissimus muscle
Spinalis Muscle

Deep to trapezius and latissimus Dorsi muscle.

Question 6

What muscles make up the transversospinalis muscles?

Roughly where are they found

Answer 6

Semispinalis muscle
Rotatores muscle
Multifidus muscle

Found deep to the erector spinea group and splenius group.

Question 7

What muscles make up the suboccipital muscles?

Roughly where are they found?

Answer 7

Rectus capitis posterior minor muscle
Rectus capitis posterior major muscle
Obliquus capitis inferior muscle
Obliquus capitis superior muscle- tilting of the head

Found deep to the semispinalis muscle.