Perform exercise #1 as shown in video. Hold plank for 60 second (or work up to that), rest 10 seconds then go on to exercise #2. For exercise #2, perform air bike for 25 reps on each side (count to 50) (or work up to this). When complete, rest for 10 seconds and then move on to exercise #3 For exercise #3, perform heel touches for 12 reps each side. When complete, go on to exercise 4, toe touches. Do 20 reps each side (count to 40). Repeat entire sequence 1 or two more times working up to three total sets three times er week for 3-4 weeks, then change routine.