Rectus Sheath

Question 1

What are the functions of rectus sheath

Answer 1

Increasing efficiency of rectus abdominis,,,,,,

Maintaining the strength of anterior abdominal wall,,,,,,

Question 2

Anterior and posterior wall of rectus sheath above costal margin is formed by?

Answer 2

Anterior wall- external oblique aponeurosis

Posterior wall- 5 6 7 costal cartilage

Question 3

Ant and post wall of rectus sheath is formed between costal cartilage and arcuate line by?

Answer 3

Ant wall- eoa+ant lamina of ioa

Post wall - post lamina of ioa+taa+ft

Question 4

Ant and post wall of rectus sheath below arcuate line?

Answer 4

Ant wall- eoa+ conjoint tendon

Post wall- ft

Question 5

Contents of rectus sheath are?

Answer 5

2 muscles- rectus abdominis, pyramidalis
2 blood vessels- superior epigastric artery, inferior epigastric artery
Nerve- thoracoabdominal Nv(t7-t11) , subcostal nv(t12)