Which muscle is irritated by inflamed retrocaecal appendix -
Ans. is 'a' i.e., Psoas major Abdominal pain in appendicitis:* In children with abdominal pain, who hold their right hip in a flexed position to obtain relief from the pain, one should suspect retrocaecal appendicitis causing irritation of the psoas muscle.
Vermiform Appendix
Psoas major
Gluteus maximus
Quadratus femoris
Obturator internus
Psoas major