4-Eccrine sweat glands
At the signal of the hypothalamus, one of the two types of sweat glands, eccrine glands, goes to work. These sweat glands produce odorless perspiration, a mixture of water, salt and small amounts of other electrolytes, directly on the surface of the skin. When this sweat evaporates in the air, the temperature of your body drops.
3-Apocrine sweat glands
This second type of sweat gland is found mainly in areas covered with long hair / hair, such as the scalp, armpits and groin. These sweat glands produce oily sweat, usually in response to emotional stress, which can cause odors when bacteria on the skin begin to break down.
The capillaries near the surface of the skin on the face dilate to release heat. For some people, this can result in a particularly red face during and after a workout.
Training puts extra weight on the joints, sometimes up to five to six times more than your weight. The ankles, knees, hips, elbows and shoulders all have very different functions, but function in a similar way. Each joint is lined with a padding fabric called cartilage at the ends of the bones, as well as soft tissue and lubricating fluid, to help make movements smooth and easy. Ligaments and tendons provide stability. Over time, the padding around the joints can start to wear out or degenerate, as is the case in people with osteoarthritis, the most common form of arthritis. To slow down this phenomenon and protect your joints,