API  Notes Home Page

Movements of the Vertebrae & Abdomen

 

I). Vertebral Column

Erector Spinae

Location

Function

O:  iliac crest and lumbar vertebrae

I:  cervical & thoracic vertebrae

bulletIliocostalis
bulletLongissimus
bulletSpinalis

 

 

 muscles of the back
II). Muscles of the Internal Thorax: Breathing

A). Intercostals: external

Location

 

Function:

 

 

O rib above

I:  rib below

 

 

 muscles of the internal thorax

B). Intercostals: internal

Location

 

Function:

O: rib below

I:  rib above

 

 muscles of the internal thorax

C). Diaphragm

Location

 

 

Function

 

 diapragm
III). Muscles of the Abdominal Wall

A). Rectus Abdominis

Location

 

Function

 

O:  pubic crest (arch)

I:  xiphoid process

 

 

 muscles of the abdomin

B). External Oblique

Location

 

Function

 

O:  lower ribs

I:  linea alba & iliac crest

 

 muscles of the abdominal wall

C). Internal Oblique

Location

 

Function

 

O:  lumbar & iliac crest

I:   pubic crest

 

 muscles of the abdominal wall

D). Transverse Abdominis

Location

 

Function

 

O:  lumbar & ribs

I: linea alba

 

 muscles of the abdomis
IV).  Muscles of the Pelvic Floor
A).  Pelvic Diaphragm

function

 

 Pelvic Diaphragm
B).  Urogenital Diaphragm

function

 

 urogenital diaprahm