op Iliopsoas m tensor fasciae latae y Iliac crest Psoas major li acus Psoas minor Anterior superior Tensor fascia Iliacus Iliotibial band Origin: transverse process of lumbar vertebrae and iliac fossa Insertion: lesser trochanter of femur It is the most powerful flexor of the thigh When lower limb is fixed it bends the Vertebral column forward and flexes the HA lumbar region laterallyCopy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Iliopsoas m & tensor fasciae latae It is the most powerful flexor of the thigh. when lower limb is fixed it bends the Vertebral column forward and flexes the lumbar region laterally. Origin:transverse process of lumbar vertebrae and iliac fossa Insertion:lesser trochanter of femur Iliacus Psoas major iliacus