The assault bike may seem like the most boring piece of equipment at the gym, but this assault bike workout will totally change your mind. One way to make this process slightly less boring—while ...

There are approximately a zillion ways to get your cardio in nowadays. Walking, running, biking, stair climbing, rowing, skiing, swimming—the list goes on. You understand the importance of cardio, but ...

There are approximately a zillion ways to get your cardio in nowadays. Walking, running, cycling, stairclimbing, rowing, skiing, swimming – the list goes on. You understand the importance of cardio, ...

Author and motivational speaker David Goggins notoriously goes hard in the gym, and famously never skimps on his cardio. He coined the Goggins challenge, which involves running 4 miles every 4 hours ...