Abdominal Muscles

Question 1

External Obliques PA

Answer 1

External surface of ribs 5-12

Question 2

External Obliques DA

Answer 2

Linea alba
Anterior 1/2 of iliac crest
Pubic tubercle

Question 3

External Oblique Action

Answer 3

Compress and support abdominal viscera
Flex trunk
Rotate Trunk to opposite side

Question 4

External Oblique Innervation

Answer 4

T7-T12

Question 5

Internal Oblique PA

Answer 5

Thoracolumbar fascia, anterior 2/3 of iliac crest, lateral 1/2 of inguinal ligament

Question 6

Internal Oblique DA

Answer 6

Inferior border of 10th-12th ribs, line alba, and pubi

Question 7

Internal Oblique Action

Answer 7

Compress and support abdominal viscera
Flex Trunk
Rotate Trunk to same side

Question 8

Internal Oblique Innervation

Answer 8

T7-T12, L1

Question 9

Transversus abdominus PA

Answer 9

Internal Surface of 7-12th costal cartiages, thoracolumbar fascia, iliac crest and lateral 3rd of inguinal ligament

Question 10

Transverse abdominus DA

Answer 10

Xiphoid process, line alba and pubis

Question 11

Transverse abdominus Action

Answer 11

compress and support abdominal viscera

Question 12

Transverse abdominus Innervation

Answer 12

T7-T12, L1 and iliohypogastric N

Question 13

Rectus Abdominus PA

Answer 13

Pubis

Question 14

Rectus Abdominus DA

Answer 14

xiphoid process and 5th-7th costal cartilages

Question 15

Rectus Abdominus Action

Answer 15

Compress and support abdominal viscera, flex trunk

Question 16

Rectus Abdominus Innervation

Answer 16

T6/7-T/11/12

Question 17

Diaphragm PA

Answer 17

Xiphoid process, internal surface of inferior 6 ribs and costal cartilages, L1-L2 vertebrae via Right and Left Crura

Question 18

Diaphragm DA

Answer 18

Central Tendon

Question 19

Diaphragm Action

Answer 19

Expand vertical dimension of thoracic cavity

Question 20

Diaphragm Innervation

Answer 20

Phrenic N. 3-5

Question 21

Quadratus Lumborum PA

Answer 21

Medial portion of 12th rib and transverse process of lumbar vertebrae

Question 22

Quadratus Lumborum DA

Answer 22

Iliac Crest

Question 23

Quadratus Lumborum Action

Answer 23

Extend and laterally flex vertebral column

Fix 12th rib

Question 24

Quadratus Lumborum Innervation

Answer 24

T12, L1-L4

Question 25

Psoas Major PA

Answer 25

Transverse process of lumbar vertebrae, bodies of vertebrae T12, L1-L5

Question 26

Psoas Major DA

Answer 26

Lesser Trochanter

Question 27

Psoas Major Action

Answer 27

Flex thigh, laterally rotate thigh, flex vertebral column

Question 28

Psoas Major Innervation

Answer 28

L1-L3

Question 29

Psoas Minor PA

Answer 29

Superior fibers on anterior surface of psoas major

Question 30

Psoas Minor DA

Answer 30

Superior Ramus of pubis

Question 31

Psoas Minor Action

Answer 31

Assists Psoas Major

Question 32

Psoas Minor Innervation

Answer 32

L1

Question 33

Iliacus PA

Answer 33

Iliac fossa

Question 34

Iliacus DA

Answer 34

Lesser Trochanter

Question 35

Iliacus Action

Answer 35

Flex thigh, Laterally rotate thigh, flex vertebral column

Question 36

Iliacus Innervation

Answer 36

Femoral N. and L2-L4