Zack Ruhl may be a double amputee, but it hasn’t stopped him from becoming a Crossfit Trainer and Competitor who can bench 500 pounds and do pushups attached to his wheel chair. This Houston, Texas native was born with a rare bone condition which led to his legs being amputated when he was 2. Zack never let his disability slow him down and became obsessed with powerlifting. Today, he is not only a Crossfit Trainer and Competitor, but he trains other disabled athletes for free.