Fitness Blender - Bodyweight Only Strength and Endurance Challenge-Beginner or Advanced Lower Body

Fitness Blender - Bodyweight Only Strength and Endurance Challenge - Beginner or Advanced Lower Body Workout Workout Structure - 3 Groups of 4 Exercise Each -Intervals of 45 sec on, 15 sec off -Two Sets Each (ABCD Pattern) Equipment: -None Needed -Dumbbells (optional) Warm Up / Cool Down: -Both Included