Muscles Moving the T Spine

Question 1

Longissimus thoracis
(origin)

Answer 1

intermediate part of common tendon

Question 2

Longissimus thoracis
(insertion)

Answer 2

between tubercles and angles of ribs, transverse processes of thoracic vertebrae

Question 3

Longissimus thoracis
(action)

Answer 3

extends and laterally bends vertebral column

Question 4

Longissimus thoracis
(innervation)

Answer 4

Dorsal rami of each region

Question 5

Iliocostalis thoracis
(origin)

Answer 5

upper borders of the lower ribs

Question 6

Iliocostalis thoracis
(insertion)

Answer 6

angles of upper ribs

Question 7

Iliocostalis thoracis
(action)

Answer 7

extends and laterally bends vertebral column

Question 8

Iliocostalis thoracis
(innervation)

Answer 8

dorsal rami of each region

Question 9

Spinalis thoracis
(origin)

Answer 9

spinous process of lower thoracic and upper lumbar vertebrae

Question 10

Spinalis thoracis
(insertion)

Answer 10

spinous processes of upper thoracic vertebrae

Question 11

Spinalis thoracis
(action)

Answer 11

extends and laterally bends vertebral column

Question 12

Spinalis thoracis
(innervation)

Answer 12

Dorsal rami of each region