Flexor of lumbar spine is/are:: (A) Erector spinae, (B) External oblique muscle, (C) Internal oblique muscle, (D) Rectus abdominis
Answer is D. D i.e. Rectus abdominisRectus abdominis, psoas major & gravity are principal flexors of thoracolumbar veebraeQ. Mn-"Bilateral Major GRAP"