The Grammys may be the biggest night in music, but the fashion alone is reason enough to tune in. See the show's 37 best red-carpet looks, from J.Lo's iconic Versace gown to Miley Cyrus's barely-there ...
Either way, one of the most accurate ways to track your heart rate during intense exercise is to use a chest strap heart rate monitor. While most of us have chosen smartwatches and fitness ...