Psoas Major Psoas Major is a photograph by MedicalRF.com which was uploaded on July 10th, 2012. PREV | NEXT 0 0 0 An inferior anterolateral view (left side) of the muscles of the spine. The psoas major muscle (red) is highlighted. It flexes the hip and lumbar... more by MedicalRF.com Canvas Print $70 Framed Print $78 Art Print $23 Acrylic Print $83 Metal Print $69 Wood Print $50 Description An inferior anterolateral view (left side) of the muscles of the spine. The psoas major muscle (red) is highlighted. It flexes the hip and lumbar spine. There are no comments for Psoas Major. Click here to post the first comment. Original article and pictures take http://fineartamerica.com/featured/psoas-major-medicalrfcom.html site