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620: Clinical Human Anatomy > Back Information > Flashcards

Flashcards in Back Information Deck (14)
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1
Q

How do the vertebral curves go?

A

Convex, Concave, Convex, Concave

2
Q

What are the 6 anatomical features of a vertebrae?

A
  • body
  • pedicle
  • transverse process
  • lamina
  • spinous process
  • vertebral foramen
3
Q

2 components of IV discs

A

1) Anulus fibrosus - the outer fibrous part

2) Nucleus populous - the gelatinous central mass

4
Q

There are __ layers of back muscles

A

6

5
Q

2 muscles of the first layer of back muscles

A

Trapezius and Latissimus Dorsi

6
Q

3 Muscles of the second layer of back msucles

A
  • Levator scapula,
  • Rhomboid major
  • Rhomboid Minor
7
Q

2 muscles of the 3rd layer of back muscles

A

Serratus posterior inferior and superior

8
Q

2 muscles of the 4th layer of back muscles

A
  • Splenius capitis and cervicus
9
Q

3 muscles of the 5th layer of back muscles

A
  • Iliocostalis,
  • Longissimus
  • Spinalis
10
Q

3 muscles of the 6th layer of back muscles

A
  • Semispinalis
  • Multifidus
  • Rotatores
11
Q

Layers __ - __ are considered deep muscles of the back

A

4 - 6

12
Q

Extrinsic back muscles receive their nerve supply from the _____ rami of the cervical nerves and act on the ___ limb.

A

anterior

upper

13
Q

Intrinsic back muscles receive their nerve supply from the _____ rami of the cervical nerves and act to maintain what?

A

posterior

posture

14
Q

The 5th layer of back muscles (ILS) grouped together are called what?

A

Erector Spinae