Anterior Muscles of The Abdomen

Question 1

Name the 4 muscles of the anterior abdomen?

Answer 1

RECTUS ABDOMINIS
\+
EXTERNAL OBLIQUE
\+
INTERNAL OBLIQUE
\+
TRANSVERSE ABDOMINIS

Question 2

Name the 2 superior attachments of rectus abdominis?

Answer 2

COSTAL CARTILAGES OF RIBS 5 - 7
+
XIPHOID PROCESS

Question 3

Name the 2 inferior attachments of rectus abdominis?

Answer 3

PUBIC SYMPHESIS
+
PUBIC CREST

Question 4

What are the 3 actions of rectus abdominis?

Answer 4

FLEXES THE VERTEBRAL COLUMN (TRUNK)
\+
STABILIZES PELVIS DURING LEG-LOWERING
\+
COMPRESSES VISCERA

Question 5

Rectus abdominis ______________ the pelvis during leg-lowering.

Answer 5

STABILIZES

Question 6

Rectus abdominis compresses _____________.

Answer 6

VISCERA

Question 7

Name the most superficial muscle of the anterior abdomen?

Answer 7

EXTERNAL OBLIQUE

Question 8

Name the superior/lateral attachment of external oblique?

Answer 8

RIBS 5 - 12

Question 9

Name the 3 inferior/medial attachments of external oblique?

Answer 9

LINEA ALBA (VIA ABDOMINAL APONEUROSIS)
\+
PUBIC TUBERCLE
\+
ANTERIOR 1/2 OF ILIAC CREST

Question 10

What is the fibre direction of external oblique?

Answer 10

ANTERIORLY
and
INFEROMEDIALLY

Question 11

What are the 2 unilateral contraction actions of external oblique?

Answer 11

ROTATES COLUMN TO CONTRALATERAL SIDE
+
IPSILATERAL LATERAL FLEXION

Question 12

What are the 3 bilateral contraction actions of external oblique?

Answer 12

TRUNK FLEXION
\+
STABILIZES PELVIS DURING LEG-LOWERING
\+
COMPRESS and SUPPORT VISCERA

Question 13

Name the inferior/lateral attachment of internal oblique?

Answer 13

ANTERIOR 1/2 OF ILIAC CREST

Question 14

Name the 2 superior/medial attachments of internal oblique?

Answer 14

LINEA ALBA (VIA ABDOMINAL APONEUROSIS)
+
RIBS 10 - 12 (INFERIOR BORDERS)

Question 15

Internal oblique is _________ to external oblique.

Answer 15

DEEP

Question 16

What is the fibre direction of internal oblique?

Answer 16

ANTERIORLY
and
SUPEROMEDIALLY

Question 17

What are the 2 unilateral contraction actions of internal oblique?

Answer 17

ROTATES COLUMN TO IPSILATERAL SIDE
+
IPSILATERAL LATERAL FLEXION

Question 18

What are the 2 bilateral contraction actions of internal oblique?

Answer 18

TRUNK FLEXION
+
COMPRESS and SUPPORT VISCERA

Question 19

The transversus abdominis is __________ to internal oblique.

Answer 19

DEEP

Question 20

Name the 3 lateral attachments of transversus abdominis?

Answer 20

INNER ILIAC CREST
\+
LOWER 6 COSTAL CARTILAGES
\+
THORACOLUMBAR FASCIA

Question 21

Name the medial attachment of transversus abdominis?

Answer 21

LINEA ALBA (VIA ABDOMINAL APONEUROSIS

Question 22

What is the fibre direction of transversus abdominis?

Answer 22

MEDIALLY

Question 23

What is the sole bilateral contraction action of transversus abdominis?

Answer 23

COMPRESS and SUPPORT VISCERA

Question 24

The external obliques, internal obliques, and transversus abdominis overlap/cross each other in such a way that they do what?

Answer 24

PROTECT and STRENGTHEN ABDOMINAL WALL

Question 25

The anterior abdominal wall __________ and __________ the abdominal contents.

Answer 25

CONTRACT
and
COMPRESS