It's no secret that Christina Ricci had to get super fit for her role in Speed Racer [1]. But I am really impressed with how fit she actually got. Christina was on Last Call with Carson Daly [2] and she demonstrates how she does a one-arm push-up — she sure puts Carson to shame and he doesn't stop complaining. Check it out.
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How cool is that? All while in heels! I've tried and failed, but what about you? Can you do a one-arm push-up?