Standard squat exercises target your quadriceps, hamstrings, glutes, abdominals, and calves. Other squat types, like barbell squats, work slightly different muscle groups such as your back muscles.

It’s squat day, and you’re excited to show that barbell who’s boss, but there’s just one problem: The squat racks are all taken. You can be a good team player and ask to work in, or you can try these ...