Strengthen your core while protecting your spine with these 4 Advanced Planks for Superhuman Strength. If you want to radically transform your midsection while increasing your strength, do these advanced planks in your next core workout.
1) Single Arm Low Plank
2) Single Arm High Plank
3) High Side Plank
4) Starfish
Do these four advanced plank exercises at the end of your workout holding each plank exercise 30 seconds. Perform 2 to 3 sets of these plank exercises to really strengthen your core.