When you’re a fitness champ and you develop back and knee problems from your high-intensity workouts, avoiding the gym is simply not an option. That’s why Steve Nichols decided to develop a machine that would provide the same outcome without the wear and tear on his body. The result is Jacobs Ladder – a combination treadmill/ladder climbing monster that is so tough, it’s been used and verified by the Navy Seals, Army Rangers, FBI and many more to keep them all in top condition.