Athleisure outfit for summer in blush pink and ash brown (soft summer color season). Lateral (Split) Squats Exercise: Beginner to Advanced (Progression) Stages: PHASE 1: Bodyweight only. PHASE 2: Using 2 dumbbells in each hand with arms positioned around the working leg. PHASE 3: Tossing 1 dumbbell to land inside the working leg. PHASE 4: Tossing 1 dumbbell and moving it to the outer side of the working leg. Try adding 3 sets of 6+ reps/side into your next lower body or circuit workout, with a 30 second rest in between sets.