external oblique Flashcards
1
Q
external oblique shape
A
flat, paired
2
Q
external oblique origin
A
external surfaces of ribs 5-12 and their costal cartilages
3
Q
external oblique insertion
A
linea alba, pubic tubercle and anterior half of the iliac crest
4
Q
external oblique direction of fibres
A
inferiorly and medially
5
Q
external oblique actions
A
trunk flexion, ROI posterior pelvic tilt, same side lateral flexion, opposite side trunk rotation
6
Q
external oblique function
A
raise abdominal pressure and assist in trunk stability
7
Q
external oblique nerve supply
A
lower 6 thoracic & subcostal nerves
