Muscles of the Spinal Column

1
Muscles of the Spinal Column

• Review

2
Name the muscle and its actions

• External oblique
• Whole
• Lumbar flexion
• Half
• Lumbar lateral flexion
• Lumbar rotation to the opposite side

3
Name the muscle and its actions

• Transverse abdominis
• Actions
• None
• Helps with expiration during exercise

4
Name the muscle and its actions

• Diaphragm
• Actions
• None
• Helps with inspiration at rest and during exercise

5
Name the muscle and its actions

• Rectus abdominis
• Actions
• Whole
• lumbar flexion
• Half
• Lateral flexion

6
Name the muscle and its actions

• Internal oblique
• Actions
• Whole
• Lumbar flexion
• Half
• Lumbar lateral flexion
• Lumbar rotation to the same side

7
Name the muscle and its action

• External oblique
• Actions
• Whole
• Lumbar flexion
• Half
• Lumbar lateral flexion
• Lumbar rotation to the opposite side

8
Name the muscle and its actions

• Longissimus branch of the erector spinae
• Spinalis branch
• Illiocostalis branch
• Actions
• Whole - spine extension
• Half - lateral flexion of the spine

2.
1.
3.
9
TERMS

• Axial loading?
• What causes it?
• Why is it dangerous?
• Spondylolysis?
• What is it?
• Herniated Disk?
• What is it
• Spinal Stenosis?
• What is it?

10
Name the muscle and its actions

• Quadratus lumborum
• Actions
• Whole
• None
• Half
• Lumbar lateral flexion

11
Name this muscle.
Scalenes.
What are its actions?
Actions Whole Cervical Flexion Half - Cervical
Lateral flexion
12

• Name the branches
• Purple?
• Spinalis
• Red?
• Longissimus
• Yellow?
• Iliocostalis

13
Name the Muscle

• External Oblique
• Name the actions
• Whole Lumbar flexion
• Half
• Lumbar rotation to opposite side
• Lumbar lateral flexion

14
Name the action and three muscles involved in
that action.
15
Name this muscle

• Quadratus lumborum
• Name its actions
• Lumbar lateral flexion

16
Name this muscle and its actions
Splenius

• Whole - Cervical extension
• Half - Cervical rotation to the same side and
  Cervical lateral flexion

17
Name the muscles of.

• Expiration at rest
• None

• Expiration during exercise,
• Internal Intercostals, Rectus Abdominus, External
  obliques, Internal obliques, Transverse abdominus

18

• What section of the spine do these vertebrae come
  from?

Thorasic
Lumbar
Cervical
19

• Name the specific vertebrae shown here.

Axis
20
Name the muscle in red
Transverse abdominis
21
Name the action and five muscles responsible for
that action.
22
Name the two parts of a vertebral disk

• annulus fibrosus
• nucleus pulposus

23
Name the specific branch of this muscle.
Longissimus
24
Name the muscle and its actions?

• Internal Oblique
• What is the action of the whole muscle?
• Lumbar Flexion
• What are the actions of half of the muscle?
• Lumbar lateral Flexion and Lumbar rotation to the
  same side.

25
Splenius
Name the muscle
26
Rectus abdominis
Name the muscle
27
External oblique
Name the muscle
28

• Internal Obliques
• Actions?
• Whole Lumbar Flexion
• Half - Lumbar rotation to the same side and
  Lumbar lateral flexion

Name this muscle
29
Name the muscle

• Sternocleidomastoid
• Name its actions
• Whole
• Cervical Flexion
• Half
• Cervical lateral flexion
• Cervical rotation to the opposite side.

30

• Match the number of vertebrae with the
  corresponding section.
• A. Cervical 4
• B. Coccyx 5
• C. Lumbar 7
• D. Sacrum 9
• E. Thorasic 12

31
Name the muscle

• Rectus abdominis
• Name its actions
• Whole
• Lumbar Flexion
• Half
• Lumbar lateral flexion

32
Name the muscles of.

• Inspiration at rest
• Diaphragm and External intercostal

• Inspiration during exercise
• Scalenes and Sternoceidomastoid

33
Name the action and the two muscles responsible
for that action.
Right half of the external oblique and Left half
of the internal oblique
34
Sternocleidomastoid
Name the muscle
35
Name the muscle and its action

• Quadratus Lumborum
• Half - Lumbar lateral flexion

36
Erector spinae muscles
Name the muscle and its branches
Spinalis branch Iliocostalis branch Longissimus
branch
37
Splenius (cervicis capitis)
Name the muscle
38
Name the muscle
External oblique
39
Rectus abdominis
Name the muscle
40
Name the two branches
Spinalis branch Iliocostalis branch
41
Sternocleidomastoid
Name the muscle
42
Name this muscle and its actions

• Scalenes
• Actions?
• Whole Cervical Flexion and
• Half - Cervical Lateral flexion

43
Name this muscle and its actions.

• Quadratus lumborum
• Name its actions
• Lumbar Lateral flexion