Build Better Abs
Don't work your abdominal muscles every day. "Physiologically, your abs are like any other muscle in your body," says David Pearson, Ph.D., C.S.C.S., an exercise scientist at Ball State University. Train them only 2 or 3 days a week.
Protect Your Neck
Put your tongue on the roof of your mouth when you do crunches. "It will help align your head properly, which helps reduce neck strain," says Michael Mejia, C.S.C.S., Men's Health exercise advisor.
Keep Muscles Limber
If you're under 40, hold your stretches for 30 seconds. If you're over 40, hold them for 60 seconds. As you reach your 40s, your muscles become less pliable, so they need to be stretched longer.
Grow Muscle, Save Time
Keep your weight workouts under an hour. After 60 minutes, your body starts producing more of the stress hormone cortisol, which can have a testosterone-blocking, muscle-wasting effect.
Exercise in Order
Use dumbbells, barbells, and machines—in that order. "The smaller, stabilizer muscles you use with dumbbells fatigue before your larger muscle groups," says Charles Staley, a strength coach in Las Vegas. So progress to machines, which require less help from your smaller muscles, as you grow tired.
Strengthen Your Core
Don't be afraid of situps. We've changed our tune on these, and here's why: Situps increase your range of motion, which makes your abdominals work harder and longer. (Doing crunches on a Swiss ball or with a rolled-up towel under your lower back has a similar effect.) Just avoid situps with anchored feet, which can hurt your lower back.
Kill Your Excuse
If you think you're too busy to exercise, try this experiment: For one day, schedule a time to work out, and then stick to it—even if you can exercise for only 10 minutes. "At the end of the day, ask yourself if you were any less productive than usual," says John Jakicic, Ph.D., an exercise psychologist at the Brown University school of medicine. The answer will probably be no—and your favorite excuse will be gone.
Muscle Up Your Back
When doing lat pulldowns, don't wrap your thumb around the bar. Instead, place it on top, alongside your index finger. This decreases the involvement of your arm muscles, so you'll work your back harder. Works for pullups, too.
Drink A Pint, Get Ripped
If you're a beginner, train to failure—the point at which you absolutely can't do another repetition—then throw back a pint. In a new study, beginners who trained to failure with three sets of six exercises per day then drank a supplement immediately afterward gained over 5 pounds of muscle in just 8 weeks. A pint of 1 percent chocolate milk will provide all the nutrients you need to achieve the same result.
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