Muscles of the Vertebral Column

Question 1

Spinalis Group

Answer 1

1. Spinalis Cervicis

2. Spinalis Thoracis

Question 2

Origin of Spinalis Cervicis

Answer 2

1. INFERIOR portion of LIGAMENTUM NUCHAE

2. SPINOUS process of C7

Question 3

Insertion of Spinalis Cervicis

Answer 3

SPINOUS process of AXIS + C3-C4

Question 4

Action of Spinalis Cervicis

Answer 4

EXTENDS NECK

Question 5

Origin of Spinalis Thoracis

Answer 5

1. SPINOUS PROCESSES of T11 + T12

2. SPINOUS PROCESSES of L1 + L2

Question 6

Insertion of Spinalis Thoracis

Answer 6

SPINOUS PROCESSES of SUPERIOR THORACIC VERTEBRAE

Question 7

Action of Spinalis Thoracis

Answer 7

Extends VETEBRAL COLUMN

Question 8

Innervation of Spinalis Cervicis

Answer 8

Cervical SPINAL NERVES

Question 9

Innervation of Spinalis Thoracis

Answer 9

THORACIC and LUMBAR SPINAL NERVES

Question 10

Longissimus Group

Answer 10

1. Longissimus Capitis
2. Longissimus Cervicis
3. Longissimus Thoracis

Question 11

Origin of Longissimus Capitis

Answer 11

1. TRANSVERSE PROCESSES of INFERIOR CERVICIS

2. SUPERIOR THORACIC VERTEBRAE

Question 12

Insertion of Longissimus Capitis

Answer 12

MASTOID PROCESS of TEMPORAL BONE

Question 13

Action of Longissimus Capitis

Answer 13

1. TOGETHER: EXTEND NECK

2. ALONE: ROTATES and LATERALLY FLEXES NECK to that SIDE

Question 14

Innervation of Longissimus Capitis

Answer 14

CERVICAL AND THORACIC SPINAL NERVES

Question 15

Origin of Longissimus Cervicis

Answer 15

TRANSVERSE PROCESSES of SUPERIOR THORACIC VERTEBRAE

Question 16

Insertion of Longissimus Cervicis

Answer 16

TRANSVERSE PROCESSES of MIDDLE and SUPERIOR CERVICAL VERTEBRAE

Question 17

Action of Longissimus Cervicis

Answer 17

1. TOGETHER: EXTEND NECK

2. ALONE: ROTATES and LATERALLY FLEXES NECK to that SIDE

Question 18

Innervation of Longissimus Cervicis

Answer 18

CERVICAL AND THORACIC SPINAL NERVES

Question 19

Origin of Longissimus Thoracis

Answer 19

1. broad APONEUROSIS + at TRANSVERSE PROCESSES of INFERIOR THORACIC and SUPERIOR LUMBAR VERTEBRAE
2. joins ILIOCOSTALIS

Question 20

Insertion of Longissimus Thoracis

Answer 20

1. TRANSVERSE PROCESSES of SUPERIOR THORACIC + LUMBAR VERTEBRAE
2. INFERIOR SURFACES of LOWER 10 RIBS

Question 21

Action of Longissimus Thoracis

Answer 21

1. EXTENSION of vertebral column

2. ALONE: each produces LATERAL FLEXION to that side

Question 22

Innervation of Longissimus Thoracis

Answer 22

THORACIC AND LUMBAR SPINAL NERVES

Question 23

Iliocostalis Group

Answer 23

1. Iliocostalis Cervicis
2. Iliocostalis Thoracis
3. Iliocostalis Lumborum

Question 24

Origin of Iliocostalis Cervicis

Answer 24

SUPERIOR BORDERS of VERTEBROSTERNAL RIBS near the ANGLES

Question 25

Insertion of Iliocostalis Cervicis

Answer 25

TRANSVERSE PROCESSES of C4-C6

Question 26

Action of Iliocostalis Cervicis

Answer 26

1. EXTENDS or LATERALLY FLEXES NECK | 2. ELEVATES RIBS

Question 27

Innervation of Iliocostalis Cervicis

Answer 27

CERVICAL and SUPERIOR THORACIC spinal nerves

Question 28

Origin of Iliocostalis Thoracis

Answer 28

SUPERIOR BORDERS of RIBS 6-12 MEDIAL to the ANGLES

Question 29

Insertion of Iliocostalis Thoracis

Answer 29

SUPERIOR RIBS and TRANSVERSE PROCESS of C7

Question 30

Action of Iliocostalis Thoracis

Answer 30

STABILIZES THORACIC VERTEBRAE in EXTENSION

Question 31

Innervation of Iliocostalis Thoracis

Answer 31

THORACIC SPINAL NERVES

Question 32

Origin of Iliocostalis Lumborum

Answer 32

1. ILIAC CREST 2. SACRAL CREST 3. LUMBAR SPINOUS PROCESSES

Question 33

Insertion of Iliocostalis Lumborum

Answer 33

INFERIOR SURFACES of RIBS 6-12 NEAR their ANGLES

Question 34

Action of Iliocostalis Lumborum

Answer 34

1. EXTENDS VERTEBRAL COLUMN | 2. DEPRESSES RIBS

Question 35

Innervation of Iliocostalis Lumborum

Answer 35

1. INFERIOR THORACIC NERVES | 2. LUMBAR SPINAL NERVES