Results After One Workout

Muscles aren't built in a day - but that doesn’t mean a solid workout can't give you instant definition. See, by performing certain moves - think, three to five sets of eight to 12 reps - you force a ton of blood into your muscles’ fast-twitch or power fibers. Long story short, this makes your worked muscles bloat in a good way, says Erica Suter, C.S.C.S., a Maryland-based trainer and strength coach.
The result is a sneak peek of how awesome your muscles will consistently look after weeks of training, she says. (It's also a secret strategy among fitness models everywhere - nature’s Photoshop, amirite?)
A recent Strength and Conditioning Journal shows that this technique - called the “pump” - can also prevent the muscle breakdown that often occurs when you’re working out to lose weight (we're looking at you, cardio queens).
Take any of the following seven exercises for a spin, then check yourself out in the mirror, good lookin'.