
barbell clean-grip front squat
GlutesBarbell

Step 1: Lie flat on your back with your legs extended and your hands by your sides.
Step 2: Engage your core and lift your legs off the ground about 6 inches.
Step 3: Keeping your legs straight, alternate lifting one leg slightly higher than the other.
Step 4: Continue this fluttering motion for the desired number of repetitions.