Back and Spine Muscles: Origin and Insertion

Question 1

Determine the INSERTION of the following muscles:

1. angles of the ribs
2. lower border of transverse process above
3. lower border of spinous process above
4. transverse process at superior vertebral
   levels and mastoid process
5. spinous processes 2-4 vertebral levels
   superior to their origin

A. Iliocostalis
B. Interspinales
C. Intertransversarii
D. Multifidus
E. Longissimus

Answer 1

1. A
2. C
3. B
4. E
5. D

Question 2

Determine the ORIGIN of the following muscles:

1. Obliquus capitis superior
2. Obliquus capitis inferior
3. Rectus capitis posterior major
4. Rectus capitis posterior minor
5. Rotatores

A. inferior nuchal line medially
B. spinous process of the axis
C. transverse process of atlas
D. transverse processes
E. None

Answer 2

1. C
2. B
3. B
4. A
5. D

Question 3

TRUE OR FALSE: The erector spinae inserts at the iliac crest, sacrum, transverse and spinous processes of vertebrae and supraspinal ligament

Answer 3

False.

This is its origin.

Question 4

Th origin of the serratus posterior inferior is at _____.

Answer 4

ligamentum nuchae, spines of vertebrae C7 and
T1-T3

Question 5

TRUE OR FALSE: Splenius cervicis and Splenius capitis originates at the ligamentum nuchae and spines of C7-T6 vertebrae

Answer 5

True

Question 6

Splenius cervicis inserts at the (1)_____ tubercles of the transverse processes of (2)____ vertebrae

Answer 6

1. posterior
2. C1-C3

Question 7

Determine the INSERTION of the following muscles:

1. Spinalis
2. Splenius capitis
3. Serratus Posterior Inferior
4. Serratus Posterior Superior
5. Rectus capitis posterior minor

A. mastoid process and lateral end of the
superior nuchal line
B. ribs 1-4, lateral to the angles
C. spinous processes at superior vertebral
levels and base of the skull
D. ribs 9-12, lateral to the angles
E. inferior nuchal line medially

Answer 7

1. C
2. A
3. D
4. B
5. E

Question 8

Determine the insertion of the rotatores muscle:

1. long rotatores
2. short rotatores

A. spines 1 vertebrae above origin
B. spines 2 vertebrae above origin

Answer 8

1. B
2. A

Question 9

Determine the insertion of the semispinalis muscle:

1. capitis
2. cervicis & thoracis

A. back of skull between nuchal lines
B. spines 4-6 vertebrae above origin

Answer 9

1. A
2. B

Question 10

Determine the ORIGIN of the following muscles:

1. Iliocostalis
2. Intertransversarii
3. Multifidus
4. Longissimus
5. Erector Spinae

A. iliac crest, sacrum, transverse and spinous
processes of vertebrae and supraspinal ligament
B. sacrum, transverse processes of C3-L5
C. iliac crest and sacrum
D. upper border of transverse process
E. transverse process at inferior vertebral levels

Answer 10

1. C
2. D
3. B
4. E
5. A

Question 11

The interspinales originates at the _____.

Answer 11

upper border of spinous process

Question 12

TRUE OR FALSE: The obliquus capitis inferior inserts at the transverse process of axis.

Answer 12

False

It inserts at the transverse process of atlas

Question 13

TRUE OR FALSE: The Obliquus capitis superior inserts at the occipital bone above inferior nuchal line

Answer 13

True

Question 14

Where does the rectus capitis posterior major insert?

Answer 14

inferior nuchal line

Question 15

The semispinalis muscle originates where?

Answer 15

transverse processes of C7-T12

Question 16

The serratus posterior superior originates in the following sites, EXCEPT:

A. ligamentum nuchae
B. ligamentum flavum
C. spines of vertebrae C7
D. spines of vertebrae T1-T3

Answer 16

B. ligamentum flavum

Question 17

TRUE OR FALSE: The Spinalis muscle originates at the spinous processes at inferior vertebral levels

Answer 17

True