Chp 10-Abdominal Muscles

Question 1

4 Abdominal Muscles

Answer 1

1. Rectus Abdominis
2. Transversus Abdominis
3. Internal Oblique
4. External Oblique

Question 2

Rectus Abdominus fibers are?

Answer 2

vertical

Question 3

Transversus Abdominis fibers are?

Answer 3

horizontal - deepest layer

Question 4

Internal Oblique fibers are?

Answer 4

supero-med to infero-lat

Question 5

External oblique fibers are?

Answer 5

supero-lat to infero-med

Question 6

Rectus Abdominis - O =

Answer 6

pubis & tendon of transverse abdominis m.

Question 7

Rectus Abdominis - I =

Answer 7

lower ribs & xiphoid

Question 8

Rectus Abdominis - a =

Answer 8

flex trunk, compress viscera

Question 9

Transversus Abdominis - O =

Answer 9

thoracodorsal aponeuroses

Question 10

Transversus Abdominis - I =

Answer 10

other 1/2 of self, pubis

Question 11

Transversus Abdominis - A =

Answer 11

compress/support viscera

Question 12

Internal Oblique - 0 =

Answer 12

thoracodorsal aponeuroses, inguinal ligament, iliac crest

Question 13

Internal Oblique - I =

Answer 13

pubis (linea alba-midline)

Question 14

Internal Oblique - A =

Answer 14

Trunk rotation [trunk flexion w/ rotation to same side (O pulled toward I)]

Question 15

External Oblique - O =

Answer 15

lower ribs, xiphoid, thoracodorsal fascia, iliac crest & ASIS

Question 16

External Oblique - I =

Answer 16

pubis (linea alba-midline)

Question 17

External Oblique - A =

Answer 17

Trunk Rotation [1) trunk flexion w/ rotation to opposite side (O pulled toward I), 2) pelvic rotation to same side (I pulled toward O)]