Sweating is a natural reaction to movement. So if you end a session with dry skin, you can ask yourself: Something wrong?
While Lack of sweat During physical activity, it does not always have a medical problem, but can be a red flag Under certain conditions. Sweating plays an important role in Thermoregulationand disorders in this system can signal problems Moisture defects To Dysfunction of the nervous system.
This article explains:
- How sweat works
- What it means if you don’t sweat a lot during training
- If it is normal – and if it is not
- What to do
How does sweating work during training?
Sweating is that Main cooling mechanism of the body. When your inner temperature increases during training, Thermaleceptors In their hypothalamus, the sweat glands stimulate to dissect moisture through the skin. While sweat evaporates, it dissolves warmth and prevents overheating.
There are two types of sweat glands:
- Eccrine glands: Most numerous; Produce aqueous sweat to cool down.
- Apocrine glands: Found in areas such as the armpits; Create thicker sweat that is triggered by tension.
The welding rate depends on:
- Fitness level
- Training intensity
- Temperature and humidity
- Hydration status
- genetics
Is it bad if you don’t sweat during training?
Not always. Here is the reason.
You may not sweat a lot because:
- Low intensity training
- Cool or dry interior conditions
- Efficient thermoregulation
- The latest hydration practices
But sometimes, No sweat During the effort – especially if they are overheating – a sign of AnhydrosisA condition in which the body cannot produce sweat properly ((1))).
Frequent reasons not to sweat during training
1. Workouts with a low intensity
If you do light cardio, stretching or mobility work, yours, yours The core temperature cannot rise Enough to trigger a welding reaction.
Normal and healthy. Your body is simply not hot enough to need cooling.
2. Cool or dry environment
Sweating is influenced by the surrounding climate. In air -conditioned or low femininity Settings can lose the heat convection Instead of sweating.
This does not mean that you do not burn calories or improve fitness.
3. Fitness adjustment
Further trained people often begin to sweat earlier and more efficient, but some may feel cooler Improved cardiovascular efficiency and better thermoregulation.
If your workouts simply feel and don’t overheat you, the lack of sweat can be normal.
4. Dehydration
Welding production decrease when you are dehydrated. If you don’t drink enough liquids before or during your training, your sweat glands can slow down.
This can be dangerous – signs such as dizziness, headache or nausea.
5. Medicines or diseases
Some medication (anticholinergics, beta blockers) and diseases can reduce or prevent sweating:
- Anhydrosis: To sweat inability (partly or totally)
- Autonomous neuropathy: Together at diabetes
- Skin disorders Or burn
- Hypohidrotic ectodermal dysplasia (Genetic disorder)
If you never Despite intensive workouts, sweat – or feels hot, rinsed and dizzy – medical advice.
Signs that lack of sweat is a problem
When you experience One of the followingIt is time to consult a medical specialist:
- Dizziness or overheating without sweating
- Muscle cramps or quick heart rate
- Nausea, confusion or fainting
- History of heat -related diseases or strokes
When to see a doctor
Persistent or total lack of sweating can be tested to:
- Nerve disorders
- Skin diseases
- Metabolic or endocrine problems
- Side effects of medication
Tests can include:
- Thermoregulative welding tests
- Skin biopsies
- Evaluation of the autonomous nervous system
What you can do: Removal and prevention
Adequately hydratic
Drink water all day and especially in training.
Monitor the training intensity
Use the heart rate or the perceived effort to make sure you work hard enough to need cooling.
Set clothing
Wear breathable, sweaty materials. Overviews can affect thermoregulation.
Keep a training protocol
Follow the welding responses across different workouts and conditions.
Conclusion: isn’t sweat always a problem?
In many cases, Not sweating during training is normalEspecially when you train easily, are trained in cool environments or to a large extent.
However, If you always feel overheated without sweatingor signs of heat intolerances, The medical assessment is crucial. Sweating is an important survival mechanism, and its absence should not be ignored in combination with other symptoms.
References
- Kenny GP, Jay O. (2013). Thermoregulation in peace and during training in healthy older adults. Journal of Applied Physiology, 114 (10), 1361–1370.
- Cheuvront SN, Haymes EM. (2001). Ad libitum fluid recording and thermoregulative reactions of female distance runners in three environments. Journal of Sports Sciences, 19 (11), 845–854.
- American Academy for Dermatology. (2023). Sweat: what is normal and what is not
- Crandall CG, et al. (2002). Human thermoregulatory reactions on passive heating with aging. Journal of Applied Physiology, 93 (6), 2182–2188.
