Hey guys, first, congrats to Terrence.

Second, I took these ab exercises off the net a few months ago and
have been doing them regularly and they are killers. I added them to
my regular ab routine. Just a suggestion.

Pike 90
Lie faceup; raise legs until perpendicular to floor, feet flexed.
Lower right leg so it hovers 1 or 2 inches off floor and place hands
lightly behind head. In this position, do 15 crunches, lifting chest
toward ceiling and lowering. Switch legs and repeat.

Crunchy frog
Sit with knees bent, feet flat. Keeping legs together, raise feet
several inches and bring knees toward chest. Wrap arms around knees
without touching legs. Extend legs and stretch arms to sides, palms
forward. Return to wrapped-arm position; repeat. Do 15 reps.

Tornado
Stand with feet hip-width apart, right leg in front of left, right
foot turned out. Bend elbows and raise arms out to sides at shoulder
level (like goalposts). In one motion, raise right knee to lowered
right elbow. Return to start; switch sides and repeat to complete one
rep. Do 15 reps.

Corkscrew
Lie faceup. Press legs together and raise them toward ceiling until
they're at a 90-degree angle, with knees slightly bent and toes
pointed. Raise butt and legs off floor using ab muscles; twist legs
slightly to left. Repeat, twisting to right, for one rep. Do 15 reps.

Side arm balance
Start on floor on knees. Lean to left and place left hand on floor
under shoulder; extend right arm up and to left, palm down.
Straighten right leg out to right with foot off floor, resting on
left knee. Hold for 5 breaths. Return to start; switch sides. Repeat
twice per side.