The Norwegian 4x4 method involves high-intensity exercise for four minutes followed by three minutes of active recovery, ...

When it’s too cold to go outside, you can still get a good cardio workout on a stationary bike. But you need to do it ...

A spin instructor from the Chinese province of Guangdong showed off his epic endurance while using his indoor bike in early September: the 33-year-old doesn't just pedal – his performance is from ...