Tummy Toning Plank
While lying face down, place forearms on the floor, with either palms face down or hands together. Raise off the ground onto toes and elbows, firing your glutes. Keep back flat by engaging abdominal muscles, and be sure to not raise your rear or sag your middle to the ground.
Hold for 30-60 seconds, repeating 1-3 times.

Belly Blasting Bicycle
While lying on the floor, press lower back to the ground, lift shoulder blades, and lace fingers behind your head. Bring knees up to approximately a 45 degree angle and preform a bicycle pedal motion, alternately straightening your legs. Touch left elbow to right knee, then right elbow to left knee.
Complete 3 sets of 15-20 reps.