Trunk

Question 1

How many pairs of spinal nerves are there that are involved in the trunk?

Answer 1

31

Question 2

Do the ab muscles attach from bone to bone?

Answer 2

No; some sections are linked by fascia and tendinous bands.

Question 3

Break down the vertebrae

Answer 3

7 cervical
12 thoracic
5 sacral
4 coccyx
=24+9

Question 4

What is the function of the spinal curves?

Answer 4

To allow the spine to absorb blows and shocks.

Question 5

Do the vertebrae decrease or increase from top to bottom of the column? Why?

Answer 5

increase; to hold the additional weight.

Question 6

Names of C1 and C2

Answer 6

Atlas and Axis

Question 7

Describe the 3 types of abnormal spinal curvatures

Answer 7

Lordosis “swayback”. Increased post. concavity of cervical and lumbar curves.
Kyphosis - “humpback”
Lumbar kyphosis - “flat back”
Scoliosis - lateral curves

Question 8

How many pairs of ribs? True and false?

Answer 8

12

7 true, 5 false.

Question 9

What’s the name of the first joint?

Answer 9

Atlantooccipital

Question 10

What is an example of a cervical flex/ext exercise?

Answer 10

Nodding yes.

Question 11

What type of joint is the atlantoaxial joint?

Answer 11

Pivot

Question 12

At which joint does most cervical rotation occur?

Answer 12

Atlantoaxial joint

Question 13

In what 2 spinal regions does most movement occur?

Answer 13

Cervical and lumbar

Question 14

What is the largest muscle in the trunk?

Answer 14

Erector Spinae

Question 15

List the muscles of the abdominal wall

Answer 15

Rectus abdominis
Internal oblique abdominal
External oblique abdominal
Transverse abdominis
Quadratus lumborum

Question 16

What neck bone moves when you swallow?

Answer 16

Hyoid

Question 17

O/I of sternocleidomastoid

Answer 17

O: Manubrium and clavicle
I: mastoid process

Question 18

What muscle is responsible for breathing at quiet rest?

Answer 18

Diaphragm. Dumbazz.

Question 19

What is the purpose of the scalene muscles?

Answer 19

To elevate the first 2 ribs to increase thoracic volume.

Question 20

What muscle is the primary lumbar extensor?

Answer 20

Erector spinae

Question 21

What movement stretches the entire erector spinae?

Answer 21

Full flexion, such as placing hands on the floor.

Question 22

Function of the quadratus lumborum?

Answer 22

Stabilizes the pelvis and lumbar spine

Question 23

What is the most superficial abdominal muscle?

Answer 23

Rectus abdominis

Question 24

Doing cross-over situps, touching left elbow to right will contract what muscle?

Answer 24

The left External oblique abdominal (EOA) muscle.

Question 25

Rotating the trunk to the LEFT will bring what muscle into action?

Answer 25

the RIGHT EOA

Question 26

What muscles are deep to the EOA and run opposite of them?

Answer 26

Internal oblique abdominals

Question 27

The left IOA rotates to the ___, and the right IOA rotates to the ____

Answer 27

Left; Right

Question 28

In touching the left elbow to the knee, the L-IOA and R-IOA contract simultaneously assisting what muscle in flexing the trunk?

Answer 28

Rectus abdominis

Question 29

What is sagging of the abdominals?

Answer 29

Ptosis

Question 30

Ptosis is AKA

Answer 30

Dunlap’s disease

Question 31

Know muscles associated with each trunk movement.

Answer 31

Please