Unstoppable: Cassidy Duffield

If you wouldve told me 10 months ago that I was going to compete in weightlifting in a national championship, I wouldve laughed and called you a liar because I just never thought that I could do something like that, says Cassidy Duffield of Salt Lake City CrossFit. A former gymnast, Duffield admits she was once selfconscious about having broad shoulders and a muscular figure. When her gymnastics career ended, she looked forward to being skinny because she no longer needed muscles. Things have chang