Here's what happened when this writer did flutter kicks for a week ...
Bed exercises for belly overhang, from MA, CSCS coach Jarrod Nobbe, plus sets, reps, and form tips for a firmer core.
You’re probably familiar with the abs muscles—the ones you see poppin' on celebs like J.Lo or Halle Berry, but there’s way more to core strength than those visible six-pack muscles. Behind the scenes, ...