Last week for planks! This will be our most challenging plank exercise yet. It will require some balance but once you get the hang of it, it's a lot of fun and effective.
Plank to pike (on stability ball)
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| Source: Fitnessmagazine.com |
Start in plank position on the stability ball. Using abs and legs, lift your hips and keep your head down. Hold for a second and roll back out. Start with 5 reps to start and work your way up to 10 reps.