Plank Challenge

Try this 30 day Challenge

1st day- 20 seconds

2nd day - 20 seconds

3rd day 30 seconds

4th day 30 seconds

5th day - 40 seconds

6th day - Rest

7th day- 45 seconds

8th day - 45 seconds

 9th day - 60 seconds

10 th day - 60 seconds

 11 th day- 60 seconds

12 th day- 90 seconds

13 th day- rest

14 th day- 90 seconds
15 th day- 90 seconds

16 th day- 120 days

17 day 120 seconds

18 th day 150 seconds

19 th day- rest

20 th day- 150 seconds

21 day 150 seconds

22nd day 180 seconds

23rd day- 180 seconds

24 th day- 210 seconds

25 th day- 210 seconds

26 th day- rest

27 th day- 240 seconds

28 th day- 240 seconds

29 th day- 270 seconds

30 th day for as long as you can hold it.