It sounds a lot like his old one. The kettlebell weights at New Species CrossFit in Royal Oak, Mich., may soon be used for Greg Glassman’s new venture: MetFix.Credit...Nic Antaya for The New ...

In my opinion, the best CrossFit workouts are the ones that leave me piled on the floor, muscles trembling, breath ragged and body truly cooked. These aren’t the only signposts for a great ...