Anterior Muscles of The Abdomen Flashcards Preview

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Flashcards in Anterior Muscles of The Abdomen Deck (25)
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1
Q

Name the 4 muscles of the anterior abdomen?

A
RECTUS ABDOMINIS
\+
EXTERNAL OBLIQUE
\+
INTERNAL OBLIQUE
\+
TRANSVERSE ABDOMINIS
2
Q

Name the 2 superior attachments of rectus abdominis?

A

COSTAL CARTILAGES OF RIBS 5 - 7
+
XIPHOID PROCESS

3
Q

Name the 2 inferior attachments of rectus abdominis?

A

PUBIC SYMPHESIS
+
PUBIC CREST

4
Q

What are the 3 actions of rectus abdominis?

A
FLEXES THE VERTEBRAL COLUMN (TRUNK)
\+
STABILIZES PELVIS DURING LEG-LOWERING
\+
COMPRESSES VISCERA
5
Q

Rectus abdominis ______________ the pelvis during leg-lowering.

A

STABILIZES

6
Q

Rectus abdominis compresses _____________.

A

VISCERA

7
Q

Name the most superficial muscle of the anterior abdomen?

A

EXTERNAL OBLIQUE

8
Q

Name the superior/lateral attachment of external oblique?

A

RIBS 5 - 12

9
Q

Name the 3 inferior/medial attachments of external oblique?

A
LINEA ALBA (VIA ABDOMINAL APONEUROSIS)
\+
PUBIC TUBERCLE
\+
ANTERIOR 1/2 OF ILIAC CREST
10
Q

What is the fibre direction of external oblique?

A

ANTERIORLY
and
INFEROMEDIALLY

11
Q

What are the 2 unilateral contraction actions of external oblique?

A

ROTATES COLUMN TO CONTRALATERAL SIDE
+
IPSILATERAL LATERAL FLEXION

12
Q

What are the 3 bilateral contraction actions of external oblique?

A
TRUNK FLEXION
\+
STABILIZES PELVIS DURING LEG-LOWERING
\+
COMPRESS and SUPPORT VISCERA
13
Q

Name the inferior/lateral attachment of internal oblique?

A

ANTERIOR 1/2 OF ILIAC CREST

14
Q

Name the 2 superior/medial attachments of internal oblique?

A

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

15
Q

Internal oblique is _________ to external oblique.

A

DEEP

16
Q

What is the fibre direction of internal oblique?

A

ANTERIORLY
and
SUPEROMEDIALLY

17
Q

What are the 2 unilateral contraction actions of internal oblique?

A

ROTATES COLUMN TO IPSILATERAL SIDE
+
IPSILATERAL LATERAL FLEXION

18
Q

What are the 2 bilateral contraction actions of internal oblique?

A

TRUNK FLEXION
+
COMPRESS and SUPPORT VISCERA

19
Q

The transversus abdominis is __________ to internal oblique.

A

DEEP

20
Q

Name the 3 lateral attachments of transversus abdominis?

A
INNER ILIAC CREST
\+
LOWER 6 COSTAL CARTILAGES
\+
THORACOLUMBAR FASCIA
21
Q

Name the medial attachment of transversus abdominis?

A

LINEA ALBA (VIA ABDOMINAL APONEUROSIS

22
Q

What is the fibre direction of transversus abdominis?

A

MEDIALLY

23
Q

What is the sole bilateral contraction action of transversus abdominis?

A

COMPRESS and SUPPORT VISCERA

24
Q

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

A

PROTECT and STRENGTHEN ABDOMINAL WALL

25
Q

The anterior abdominal wall __________ and __________ the abdominal contents.

A

CONTRACT
and
COMPRESS