Saturday, March 29, 2008

Warming up before you lift

Before you start your training session, warm up your body with at least five minutes of easy aerobic exercise (see below for suggestions). Your warm-up increases circulation to and the temperature of your working muscles, making them more pliable and less susceptible to injury. Your warm-up also lubricates your joints. The pumping action of your bones at the joints stimulates the release of synovial fluid, which bathes your joint and keeps it moving smoothly, as if you’re oiling a mechanical joint. If you have a particularly heavy-weight workout planned, warm up for ten minutes. Warm up your muscles by using Active isolated stretching (AI). AI involves tightening the muscle opposite to the one that you’re planning to stretch and then stretching the target muscle for two seconds. You repeat this process 8 to 12 times before going on to the next stretch.
Walking, jogging, stairclimbing, and stationary biking are also excellent aerobic warm-up activities for the muscles south of your waistline. But to prepare your upper body muscles, you need to add extra arm movements to these activities.
  • Vigorously swing your arms as you walk, jog, or use the stairclimber.
  • When you ride the stationary bike, gently roll your shoulders, circle your arms, and reach across the center of your body.
  • Use an aerobic machine that exercises your entire body, such as a rower, cross-country ski machine, or stationary bike with arm handles. (Many gyms have the Cybex Upper Body Ergometer [UBE]; ask a trainer where you can find the UBE.)

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