Instructions: The plank variations can be completed in any order. To complete the challenge you need to do all 30 planks in 30 days. For extra credit, complete all reps in one go. It's also OK to modify plank variations if you can't do them as illustrated.

List of Planks

1. shoulder taps
2. plank leg raises
3. plank rotations
4. plank arm raises
5. side bridges
6. plank into lunge
7. plank rolls
8. plank jump-ins
9. body saw
10. plank punches
11. one-arm plank jump-ins
12. seagulls
13. climber taps
14. side plank rotations
15. thigh taps
16. plank knee-ins
17. elbow plank leg raises
18. elbow plank shoulder taps
19. plank step-outs
20. up and down planks
21. elbow plank arm raises
22. plank walk-outs
23. side plank knee-to-elbow
24. plank jacks
25. plank crunches
26. side plank leg raises
27. alt arm / leg raises
28. side plank knee taps
29. side plank elbow to the floor
30. side star planks