Muscles of the Trunk (Lab) Flashcards
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External Intercostals
O: Inferior border of rib above
I: Superior border of rib below
A: Elevates ribs (during inhalation)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/461/866/271/q_image_thumb.jpg?1649349682)
Internal Intercostals
O: Superior border of rib below
I: Inferior border of rib above
A: Depresses ribs (during forced exhalation)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/461/866/315/q_image_thumb.jpg?1649353013)
Rectus abdominis
O: Pubic symphysis
I: Costal Cartilages
A: Flex trunk; compress abdomen
![](https://s3.amazonaws.com/brainscape-prod/system/cm/461/866/380/q_image_thumb.jpg?1649353032)
Rectus abdominis
O: Pubic symphysis
I: Costal Cartilages
A: Flex trunk; compress abdomen
![](https://s3.amazonaws.com/brainscape-prod/system/cm/461/866/450/q_image_thumb.jpg?1649353044)
External Oblique
O: Lower Ribs
I: Linea alba; inguinal ligament
A: flex Trunk; compress abdomen
![](https://s3.amazonaws.com/brainscape-prod/system/cm/461/866/481/q_image_thumb.jpg?1649353217)
External Oblique
O: Lower Ribs
I: Linea alba; inguinal ligament
A: flex Trunk; compress abdomen
![](https://s3.amazonaws.com/brainscape-prod/system/cm/461/866/537/q_image_thumb.jpg?1649353236)
Internal Oblique
O: Iliac crest of ilium
I: Linea alba; inguinal ligament
A: Flex trunk; compress abdomen
![](https://s3.amazonaws.com/brainscape-prod/system/cm/461/866/580/q_image_thumb.jpg?1649353305)
Internal Oblique
O: Iliac crest of ilium
I: Linea alba; inguinal ligament
A: Flex trunk; compress abdomen
![](https://s3.amazonaws.com/brainscape-prod/system/cm/461/866/624/q_image_thumb.jpg?1649353319)
Transverse Abdominis
O: Lumbar vertebrae
I: Linea alba; Inguinal ligament
A: Flex trunk; compress abdomen
![](https://s3.amazonaws.com/brainscape-prod/system/cm/461/866/668/q_image_thumb.jpg?1649353371)
Transverse Abdominis
O: Lumbar vertebrae
I: Linea alba; Inguinal ligament
A: Flex trunk; compress abdomen
![](https://s3.amazonaws.com/brainscape-prod/system/cm/461/866/699/q_image_thumb.jpg?1649353391)
Erector Spinae (group of muscles along the posterior side side of vertebrae)
A: extend trunk
![](https://s3.amazonaws.com/brainscape-prod/system/cm/461/866/755/q_image_thumb.jpg?1649353418)
Linea Alba
![](https://s3.amazonaws.com/brainscape-prod/system/cm/461/866/802/q_image_thumb.jpg?1649353429)
Linea Alba
![](https://s3.amazonaws.com/brainscape-prod/system/cm/461/866/835/q_image_thumb.jpg?1649353445)
Tendinous Intersections