If you want to build strength and muscle in the gym, you generally need to do one kind of training and use one particular tool, like a barbell or dumbbell or kettlebell. If you think about boosting ...

Add Yahoo as a preferred source to see more of our stories on Google. Hellishly exhausting–and super effective. Find out here how sled pushing compares to traditional leg training. Photo: Getty Images ...

To build lower body muscles, squats, deadlifts, or lunges are among the most popular exercises. However, a piece of equipment that should be present in most gyms is often overlooked: the weight sled.