Spinal Anatomy Myology (15%) Flashcards Preview

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Flashcards in Spinal Anatomy Myology (15%) Deck (27):
1

Look over the muscles on page 8, 9, and 10 of note packet

be sure to pay attention to innervation/action/and blood supply

2

Does the tempomandibular joint have  a disc?

Yes

3

Which muscles are important in thoracic outlet syndrome where brachial plexus gets trapped?

1. scalenus anterior

2. Scalenus medius

3. scalenus posterior

4

What are the contents of the suboccipital triangle?

Suboccipital nerve & VERTEBRAL artery

5

What muscles make up the borders of the suboccipital triangle?

1. Superior oblique

2. RCPM

3. Inferior oblique

6

What makes up the floor of the suboccipital triangle?

posterior atlanto-occipital membrane

7

What makes up the roof of the suboccipital triangle?

semispinalis capitis muscle

8

Which artery transverses through the suboccipital triangle?

vertebral artery

 

9

Which nerve transverses through the suboccipital triangle?

Suboccipital nerve

10

Name the superior, lateral border of the suboccipital triangle?

Superior oblique

11

Name the medial border of the suboccipital triangle?

RCP major

12

Name the inferior, lateral border of the suboccipital triangle?

inferior oblique

13

What are the deep back muscles innervated by?

(multifidus, rotatores, intertransversarii, interspinalis, iliocostalis, longissimus, spinalis)

All = Spinal N. dorsal rami

Intertransverarii = Spinal N. dorsal & ventral rami

14

what are the erector spinae muscles?

Iliocostatlis

Longissimus

Spinalis

15

How can you remember the erector spinae muscle group?

I Love Spinal (Lateral to medial)

16

What is the action of the erector spinae muscle group?

Extends & ipsilateral flexion

17

What mucle elevates the ribs?

External intercostals & subcostalis

18

What muscles depress the ribs?

Internal intercostals & Transverse thoracic

19

What is the innervation of the muscles of the thorax? 

Intercostal N.

20

What is the muscle that retracts the testis?

Cremasteric

21

What is the innervation of the cremaster muscle?

Genitofemoral

22

What muscle is pierced by the Femoral nerve?

Psoas major

23

What muscle of the posterior abdominal wall is sometimes abscent in individuals?

psoas minor

24

What muscle is pierced by the sciatic Nerve?

Piriformis

25

What is the yes no muscle?

Ischiocavernosis

26

Why is the ischiocavernosus muscle considered the yes no muscle?

it aids in erection for males (YES)

&

constricts vaginal orifice in females (NO)

27