You usually hear the old adage, lets go exercise and work up a good sweat like sweating is a sign that you’ve had a good, productive workout. But what if you exercise and you don’t really sweat during the workout? Was that workout a lost cause? Does it mean you just didn’t exercise long or hard enough for it to be a productive workout?
Well let’s examine the facts here and dispel the ever well-liked myth about just why you sweat and it’s relation to exercise.
Your body is like an engine that never stops running and like all engines, it produces heat. The more your muscles contract, the much more heat is produced. If the body didn’t have techniques of keeping you cool, you would overheat and collapse within 20 minutes.
The initial method is radiation where heat radiates out of the skin if the air around you is cooler than your body. The second method is conduction which is the transfer of heat by direct contact for example swimming in a pool of cold water where the water absorbs your body heat. The third method is convection where moving air cools us down like whenever you stand in front of a fan or when the wind blows. The last method is evaporation where water from our blood absorbs the heat and rises to the surface of the skin through the sweat glands so it can evaporate creating a cooling effect.
In colder conditions, you’ll not need to sweat as much due to the body utilizing radiation to maintain cool. In hotter conditions, sweating is the primary technique of keeping cool because of the air being hotter than your body but if there is humidity present, sweat cannot evaporate as well and that’s why you will see sweat dripping off you. Since in these conditions sweat doesn’t evaporate, radiation and convection (remember the moving air?) are used by your body to keep cool.
Everybody has a distinct sweating pattern. Gender, age, fitness level and environment contribute to how a lot you sweat. Ladies appear to sweat much less and start to sweat at higher temperatures than men. People tend to sweat much less as they grow old and thus can’t take the heat also as a younger individual but declining fitness levels may possibly have something to do with that. In laboratory experiments where both young and old people were of similar fitness levels, there was no notable distinction in their sweating procedure.
In the event you exercise in an air-conditioned room or outside when it’s a cooler time of year, you will not sweat as significantly simply because the cold air evaporates your sweat faster and also sets your body up to use a lot more of the radiation approach meaning your body can deal with the heat created by exercise more effortlessly. It doesn’t mean you’re not burning as many calories simply because the intensity and length of time of your exercise is what determines caloric burn, not how much you sweat. You are sweating all the time but you just can’t see it simply because it is usually evaporating.
If it were true that the much more you sweat, the a lot more calories you burn during exercise then it would also be true that you would be burning a lot more calories merely sitting in a hot, humid room so as to develop up a sweat but this is obviously not the case as the sweat you would be seeing is due only to the conditions of the room not allowing for evaporation for cooling the body.
Exercise produces heat, heat produces calorie expenditure, and you produce the same quantity of heat whether exercising in a cold environment or a hot one so just because you don’t sweat as significantly inside the colder environment doesn’t mean your exercise session was less productive.
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