Plank Pose With Moving Arm
Benefits: Tones abs.
Ready: Get on hands and knees.
Go: Straighten legs so you're in a plank position resting on your toes. Hold the position for 2 sets of 30 seconds each. When you can do that easily, try raising one arm at a time, keeping hips level and torso in line. Alternate raising and lowering each hand 5 to 10 times each.
Challenge: Have your toddler straddle your hips.
Best Ab Workouts for Moms