In an ideal world, many of us would like to hit the gym for an hour or two, with a decent warm-up, a well-thought-out workout and a gentle cool down. But life doesn’t always allow the time for that.

When we think of an Arnold Schwarzenegger workout, heavy weights and lots of reps and sets come to mind. But, in his most recent Arnold’s Pump Clubnewsletter the retired bodybuilder has shared a ...