Not exactly a prescription for success. Goals give you the motivation to keep going when you start feeling bored, lazy or impatient with your progress. Your Life Goals start with a reality check. If having impossible goals is almost as bad as having none at all, you need to take stock of your limitations and opportunities. You can make exercise work around reality, but not vice versa.
Some men excel at sprints, others excel at marathons.
Both sports involve running, but success depends on what your muscles are made of. Your muscles contain a mix of both fibers, and both can be developed with training, but one type dominates. A crude way to tell which fiber type dominates your muscles is to look in the mirror, says Wayne Westcott, Ph.D., strength-training consultant to the national YMCA and senior fitness director for the South Shore YMCA in Quincy, Massachusetts. Men who are stocky, beefy endomorphs have more fast-twitch fibers and will do better with weight training. Still, there's another category of body type, the mesomorph , that's in between.