: If your want to build a firmer butt and stronger legs / quads this workout is best (Dynamic stepups) #squarevideo #legday #strengthtraining #strengthandconditioning #plyostep #stepups #dumbellstepups #shoulderpress #weighttraining #quadsworkout #gym_videos #gymworkout #gymvideos #fitnessaddict #fitnesstips #fitness #igfitnesstips #igworkouts #instafit #instafitvideoz #instafitnessvideos #fitfam #fitspo #igaddict #dailyfitnesstips #dailyworkout #easytodo #highintensityintervaltraining #follow4follow @bodybymario