Build STRONG, sculpted lower body muscles with this challenging kettlebell leg day workout! From kettlebell swings to sumo squats and lunges, this kettlebell workout hits every muscle in the lower body in under 30 minutes. This strength focused lower body workout is naturally low impact, making it a great pregnancy workout. These are the 8 BEST kettlebell leg exercises! From squats to swings, this kettlebell workout builds strength in the big, power-generating muscles in your lower body.