CSA Presents: The Hadfield Shake - Exercise on the ISS

To maintain their bone and muscle mass, astronauts need to work out two hours every day. CSA Astronaut and ISS Commander Chris Hadfield shares his workout routine with us, from cardio on the T2 treadmill, to muscle and bone mass maintenance on the ARED (Advanced Resistive Exercise Device). (Credit: CSA/NASA) To find out more about exercising in space, go to: