Deborah did a lot of push-ups . She usually never did any at ! When she woke up the next , her arms were sore. She was at first. She did not hit . She wondered why her arms felt weak. It hurt to move them. really hurt when people touched her . Even a small poke would hurt . She asked her dad to take to the doctor. Her dad asked if she exercised. She told him the push-ups. "Now I see. After exercise a lot, you get sore next day," her dad said. "What I do in order not to sore?" Deborah asked. "Stretch!" her dad .