Thorax and Abdomen Flashcards Preview

Anatomy Muscle Tables > Thorax and Abdomen > Flashcards

Flashcards in Thorax and Abdomen Deck (12)
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External Intercostals

Ax: Expand Ribcage
N: Intercostal Nn

1

Internal Intercostals

Ax: Compress Ribcage
N: Intercostal Nn

2

Transversus Thoracis

Ax: Compress Ribcage
N: Intercostal Nn

3

Diaphragm

Ax: Increases thoracic volume
N: Phrenic Nn

4

Rectus Abdominis

Ax: Flexes vert column, compresses abdomen & ribcage
N: intercostal Nn

5

Transverse Abdominis

Ax: Flex & lat flex vert column, compress abdomen & ribcage (to expel abdomen contents & compress lungs)
N: Intercostal Nn

6

External Oblique

Ax: Rotate, flex & lat flex vert column; compress abdomen & ribcage (to expel abdominal contents & compress lungs)
N: Intercostal Nn

7

Internal Oblique

Ax: Rotate, flex & lat flex vert column; compress abdomen & ribcage (to expel abdominal contents & compress lungs)
N: Intercostal Nn

8

Iliacus

O: Rim of iliac fossa, sacral ala
I: Lesser trochanter
Ax: Flexes hip
N: Femoral N

9

Psoas Major

O: Transverse processes & bodies of lumbar vert & intervertebral discs
I: Lesser trochanter
Ax: Flexes hip, int rot hip, i/o flex trunk
N: Ventral rami of LUMBAR Nn

10

Psoas Minor

Ax: Flexes lumbar vertebrae
N: Ventral rami of LUMBAR Nn

11

Quadratus Lumborum

Ax: Extends & laterally flexes lumbar vertebrae
N: Ventral rami of LUMBAR Nn