abdominal muscle actions

Question 1

external obliques

Answer 1

• compress abdomen

- flex and rotate trunk

Question 2

rectus abdominis

Answer 2

• compress abdomen

- flex trunk

Question 3

iliopsoas- psoas major

Answer 3

• flex thigh
• laterally flex vertebral column
• flex vertebral column

Question 4

quadrates lumborum

Answer 4

• extend vertebral column
• laterally flex vertebral column
• stabilizes 12th rib during inspiration

Question 5

transverse abdominal

Answer 5

• compress abdomen

Question 6

iliopsoas- iliacus

Answer 6

• thigh flexion

Question 7

internal obliques

Answer 7

• compress abdomen

- flex and rotate abdomen