Power Up Your Warm Up

Power Up Your Warm Up

KT Tape is used to prevent and treat injuries, but there is a lot you can do to warm up your muscles before you exercise that will go a long way in preventing injury as well.  Gale Bernhardt for Active.com gives these tips for warm up and why it’s important: Too often, athletes show up late to a group workout and just jump in on the fast swimming, running or riding with no warm-up. Others are pinched for time, trying to squeeze a workout into a busy schedule, so they skip the warm-up figuring the main set of the workout is more important anyway. Is a warm-up really necessary? What constitutes a "good" warm-up?

woman doing warm up to exercise

Enhanced Performance A warm-up activity serves two major purposes—to enhance performance and prevent injury. Consequently, a warm-up is both physical and mental. Relaxed, sitting in your chair and reading this column produces a relatively low 15- to 20-percent of blood flow to your skeletal muscles. Most of the small blood vessels (capillaries) within those muscles are closed. After 10 to 12 minutes of total body exercise, blood flow to the skeletal muscles increases to some 70 to 75 percent and the capillaries open. Along with more blood flow comes an increase in muscle temperature. This is good because the hemoglobin in your blood releases oxygen more readily at a higher temperature. More blood going to the muscles, along with more oxygen available to the working muscles, means better performance. An increase in temperature also contributes to faster muscle contraction and relaxation. Nerve transmission and muscle metabolism is increased, so the muscles work more efficiently.

Injury Prevention Scientific studies on linking warming up with injury prevention are difficult to administer. Few athletes want to go through a muscle stress test to see what it takes to tear a muscle. Old studies on animal subjects determined that injuring a muscle that has gone through a warm-up process required more force and more muscle length than a muscle with no warm-up. This study is in line with the anecdotal data that acute muscle tears occur more often when the muscles are cold or not warmed up. There have been human studies on sudden, high-intensity exercise and the effects on the heart. One particular study had 44 men (free of overt symptoms of coronary artery disease) run on a treadmill at high intensity for 10 to 15 seconds without any warm-up. Electrocardiogram (ECG) data showed that 70 percent of the subjects displayed abnormal ECG changes that were attributed to low blood supply to the heart muscle. Yikes! The abnormal changes were not related to age or fitness level. To examine the benefit of a warm-up, 22 of the men with abnormal results did a jog-in-place at a moderate intensity for two minutes before getting on the treadmill for another test of high-intensity running. With that small two-minute warm-up, 10 of the men now showed normal ECG tracings and 10 showed improved tracings. Only two of the subjects still showed significant abnormalities. It is not known if a more thorough warm-up of 10 to 20 minutes would have made more improvements. It would have been interesting to see the results if the scientists would have taken the experiment that additional step.

Mental Preparation Part of a warm-up process includes getting your head ready for the upcoming activity. Mentally preparing for the upcoming workout, or event, is thought to improve technique, skill and coordination. This mental warm-up also prepares athletes for the discomfort of tough intervals or a race. If the mind is ready to endure discomfort, the body can produce higher speeds. If the mind is unwilling to endure discomfort, physical performance will certainly be limited.

How Much Should I Warm Up? There is no hard evidence as to how much warm-up is needed before a workout or a race. Most recommendations are in the 10- to 20-minute range, though some athletes have found they need more warm-up time. Athletes with high levels of fitness typically need longer warm-up periods before doing high-intensity workouts or short races. Athletes with lower levels of fitness usually use a shorter warm-up time. However, athletes with low fitness levels also tend to produce lower speeds during workouts and races. Athletes with dormant speed and currently low fitness levels need to be particularly cautious with workout and race intensities in order to minimize injury risk. This means if you were once fast, but you're now out of shape, be patient with building your speed and fitness. A general recommendation for warming up is to begin with low-intensity swimming, cycling or running. Keep it mostly aerobic or Zone 1 intensity at the beginning of the warm-up. Gradually increase intensity as you progress through the warm-up period. You can include short segments of gradually increasing intensity in the 30- to 60-second range, with long rest intervals as you get closer to the high-intensity segment of your workout…

To read the entire article, visit Active.com.  Check out further tips for10 specific exercises that will take you through a thorough, 25-minute warm-up routine.


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