anatomy Motor muscles of the leg The muscles are listed in order of importance in the execution of the movementEXTERNAL ROTATION hamstringINTERNAL ROTATION semimebranoso semitendinoso puny sartorius poplitealgastrocnemiusEXTENSION quadriceps tensor fascia lataBENDING semimebranoso semitendinoso hamstring puny sartorius popliteal gastrocnemiusUpper limbLower limbTrunkAbdomenArticles