internal oblique

Question 1

internal oblique shape

Answer 1

flat, paired

Question 2

internal oblique origin

Answer 2

thoracolumbar fascia, anterior 2/3 of the iliac crest and lateral 1/2 of inguinal ligament

Question 3

internal oblique insertion

Answer 3

inferior border of ribs 9-12, linea alba via aponeurosis, pecten pubis and pubic crest

Question 4

internal oblique direction of fibres

Answer 4

superiorly and medially

Question 5

internal oblique actions

Answer 5

trunk flexion, ROI posterior pelvic tilt, same side lateral flexion, opposite side trunk rotation

Question 6

internal oblique function

Answer 6

raise abdominal pressure, assist in trunk stability

Question 7

internal oblique nerve supply

Answer 7

lower 6 thoracic & 1st lumbar nerves