Unit 1: Lecture 8 Flashcards Preview

OT 716 - Unit I > Unit 1: Lecture 8 > Flashcards

Flashcards in Unit 1: Lecture 8 Deck (14):
1

Purpose of deep back muscles is to...

extend, rotate, and stabilize vertebrae

2

Innervation of deep back and neck muscles is accomplished segmentally by branches of...

DORSAL primary rami of spinal nerves

3

Intermediate layer of back muscles

- Errector spinae
- Serratus posterior Superior
- Serratus posterior Inferior

4

Deep layer of back muscles

Transversospinalis group

5

Errector spinae/sacrospinalis group/paravertebral group

- Iliocostalis group
- Longissimus group
- Spinalis group

6

Iliocostalis segments

Cervicis
Thoracis
Lumborum

7

Longissimus segments

Capitis
Cervicis
Thoracis

8

Spinalis segments

Capitis
Cervicis
Thoracis

9

Transversospinalis group

(originate from transverse processes)
- Rotatores group (1-2 seg)
- Multifidus group (2-4 seg)
- Semispinalis group (4-6 seg)

10

Rotatores group segments

Lumborum
Thoracis
Cervicis

11

Multifidus group segments

Lumborum
Thoracis
Cervicis

12

Semispinalis group segments

Thoracis
Cervicis
Capitis

13

Minor deep back muscles (3)

- Intertransversarri (lumbar and cervical groups)
- Interspinales (lumbar and cervical groups)
- Levatores costarum, longus & brevis (thoracic)

14

Which deep back muscles extend into the posterior neck? (5)

- Semispinalis capitis & cervicis
- Longissimus capitis & cervicis
- Splenius cervicis