Which one of the following muscles is very deep,forming part of the posterior abdominal body wall?
A)erector spinae group
B)quadratus lumborum
C)transversospinalis group
D)serratus posterior inferior

Question

Quizplus · Accepted Answer

The quadratus lumborum muscle is a deep muscle that forms part of the posterior abdominal body wall. The erector spinae group, transversospinalis group, and serratus posterior inferior muscles are located in the back, but do not form part of the posterior abdominal wall.

Which One of the Following Muscles Is Very Deep,forming Part