Fitness

New calluses, dirt under the fingernails, a little premature back pain: all healthy, character-building consequences of early onset ax use.

The basic idea was for me to do an off-season bobsled training routine with Elana Meyers. I had no idea what this would entail, and was given no hints, but showed up ready for just about anything.

Though I normally seethe silently at the sight of a brand-new mommy with a slammin’ post-baby body, I can’t hate on Amber Owens. She got back into great shape when her daughter was still teeny-weeny, and she earned her physique.Here, the Atlanta-based trainer, fitness instructor and mother of an almost-two-year-old shares her tips on addressing two tough trouble spots: armpit squish and back fat.

All kinds of things put our health at risk. But unlike the obvious dangers of smoking, booze, or reckless driving, one of the worst threats is just . . . sitting still.