anatomy Motor muscle of the hip The muscles are listed in order of importance in the execution of the movement EXTERNAL ROTATION large buttock medium and small buttock iliopsoas short, long and large lead connector piriformis sartorius pectineus external shutter internal shutter square of the femur INTERNAL ROTATION medium and small buttock tensor fascia lata great adductor across where large buttock medium and small buttock great adductor piriformis semimebranoso semitendinoso hamstring (long head) BENDING iliopsoas tensor fascia lata pectineus adductor l ungo short lead puny rectus femoris sartorius ABDUCTION buttock medium tensor fascia lata large buttock small buttock piriformis internal shutter SUPPLY great adductor long lead short lead large buttock puny pectineus square of the femur external shutterUpper limbLower limbTrunkAbdomenArticles