This workout can be broken up however you'd like. Complete each exercise all at once, or complete some reps...move on to another exercise...then come back and complete more reps.  

100 Air Squats  (Chair if Needed)

100 Push Ups Wide or Narrow Grip or Combo (Use Wall/ Bench If needed)

100 Alternating Lateral Lunges (ROM depends on fitness level)

100 Mountain Climbers (Use bench or chair if needed)

100 Bridges (Elevate Feet on Bench or Chair if Advanced)

100 Double Leg Stretch (Keep feet on floor if coning occurs with legs out)