Plank is a simple but effective total-body exercise. This simple exercise tones and strengthens your core muscles along with those in your arms, thighs and calves. It’s a great full-body workout that you can do in under a minute to improve your health and fitness.
THE PLANKING CHALLENGE
You need to do the plank challenge for 4 weeks. At first, you simply start out in the plank position for 20 seconds. Easy, right? Slowly, you build up your stamina until you are planking for four minutes during the final days.
Follow this plan:
Day 1 – 20 seconds
Day 2 – 20 seconds
Day 3 – 30 seconds
Day 4 – 30 seconds
Day 5 – 40 seconds
Day 6 – Rest
Day 7 – 45 seconds
Day 8 – 45 seconds
Day 9 – 60 seconds
Day 10 – 60 seconds
Day 11 – 60 seconds
Day 12 – 90 seconds
Day 13 – Rest
Day 14 – 90 seconds
Day 15 – 90 seconds
Day 16 – 120 seconds
Day 17 – 120 seconds
Day 18 – 150 seconds
Day 1 – 20 seconds
Day 2 – 20 seconds
Day 3 – 30 seconds
Day 4 – 30 seconds
Day 5 – 40 seconds
Day 6 – Rest
Day 7 – 45 seconds
Day 8 – 45 seconds
Day 9 – 60 seconds
Day 10 – 60 seconds
Day 11 – 60 seconds
Day 12 – 90 seconds
Day 13 – Rest
Day 14 – 90 seconds
Day 15 – 90 seconds
Day 16 – 120 seconds
Day 17 – 120 seconds
Day 18 – 150 seconds