Back Muscles

Question 1

Answer 1

Question 2

Answer 2

Question 3

12, 1, 6, 10

Answer 3

Question 4

Spinal Attachments

Answer 4

Question 5

Lateral Attachments

Answer 5

Question 6

Innervation and Artery

Answer 6

Innervation:
Cranial Nerve XI: Accessory Nerve
Spinal Nerves C3 and C4

Blood Supply:
Superficial branch of
Transverse cervical artery
(= superficial cervical artery

Question 7

Answer 7

Question 8

Attachments, Movements

Answer 8

Question 9

Latissimus Dorsi Innervation and Artery

Answer 9

Question 10

Identify these muscles. What do they hold in place?

Answer 10

Levator Scapulae

Rhomboid Minor

Rhomboid Major

Scapula.

Question 11

Trio Muscle Attachments

Answer 11

Question 12

Trio artery and innervation

Answer 12

Question 13

Answer 13

Question 14

Serratus Inferriors’ Attachments, Function, Innervation

Answer 14

Question 15

Deep back muscle functions and innervation

Splenius Muscles

Erector Spinae

Transversopinal muscles

Answer 15

Mechanical support
Extend the vertebral column
Bend the vertebral column
Posture
Balance of head and neck

Question 16

Answer 16

Question 17

Movement of Splenius Capitis and Splenius Cervicus

Answer 17

Bilateral action: extension
of the head

Unilateral: ipsilateral head
rotation

Question 18

Answer 18

Erector Spinae:

Iliocostalis

Longissimus

Spinalis

Question 19

Function of Erector spinae muscles

Answer 19

Main extensors of the back

Question 20

Attachments of Erector Spinae Muscles

Answer 20

Iliocostalis: Attached to ribs

Longissimus: Longest, attaches to ribs, transverse processes and skull.

Spinalis: closest to spine

Question 21

Answer 21

Question 22

Answer 22

Question 23

Multifidi function

Answer 23

Really active at the base to control the pelvis. Used to stand up. Dancers use it to rotate the pelvis.

Question 24

Answer 24

Question 25

Function of Semispinalis

Answer 25

Extensor of head.

Stabilizer.

Question 26

Semispinalis attachments

Answer 26

Inserted between the superior and inferior nuchal lines of the occipital bone.

the tips of the transverse processes of the upper six or seven thoracic and the seventh cervical vertebrae, and from the articular processes of the three cervical vertebrae above this (C4-C6).

Question 27

Rotatores attachmentss

Answer 27

superior and posterior part of the transverse process, and is inserted into the lower border and lateral surface of the lamina of the vertebra above, the fibers extending as far as the root of the spinous process.

The first is found between the first and second thoracic vertebrae; the last, between the eleventh and twelfth.

Question 28

What degenerative condition causes compression fractures of the spine?

Answer 28

Osteoperosis

Question 29

Condition and cause and plane?

Answer 29

Exagerrated Kyphotic curve

Osteoporosis

Sagittal plane

Question 30

Condition? Cause? Plane?

Answer 30

Long growth spurt.

Spine grows faster than the rest of the body, or they’re born this way.

Frontal Plane

Question 31

Condition? Cause? Plane?

Answer 31

Lordosis

Exaggerated lumbar curve.

Pregnancy

Excess weight.

Sagittal plane.