Get ready to make your thighs burn with this quick and effective leg workout. After a solid warmup, we will lead you through a series of leg-toning lunge and squat variations, both with and without weights. Heck, we even throw in some plyo moves to keep your heart pumping. Grab a medium-sized dumbbell, press play, and get ready to turn your legs to jelly — and we mean that in the best way possible.