Lifeguard Recertification and swimming is one of the most popular sports: it is enjoyed by young and old alike and has very few absolute contraindications. The mere fact of being practiced in water makes it ideal for those with joint problems and those who risk having them, such as the obese. In fact, when we immerse ourselves in the pool or the sea, the body loses from 50 to 90 percent of its weight because it is the water that supports us. On the other hand they gain heart, weight and strength. Pay attention only to the back.
The benefits of swimming and Lifeguarding
Among the various sports activities, swimming is one of the most complete . It offers the benefits of aerobic activities, increases strength and reduces fat mass in favor of muscle mass. Furthermore, being performed in the absence of gravity, it allows not to overload the joints.
In particular:
it improves the respiratory capacity ; promotes relaxation and has positive effects on mood ; increases endurance , strength and muscle flexibility ; allows you to burn many calories , depending on the style practiced and the pace of training; does not stress the joints, so it is also suitable for obese people or in the presence of musculoskeletal problems.
It puts the cardiovascular system into operation , with positive effects on heart rate and blood pressure; reduces the risk of diabetes and lowers blood cholesterol and triglyceride levels; it involves the whole body and tones almost all muscle groups , to different extents depending on the style practiced.
The benefits of swimming on the body
Are you wondering what swimming is good for? Simple: it’s healthy and helps get fit. Of course, the prerequisite is to learn to swim correctly and practice in order to achieve your goals.
The body benefits from movement in the water: by swimming we train the cardiovascular system and strengthen the muscles without straining the locomotor system.
In the water we always activate the whole body and depending on the style practiced we use some muscles more than others, but in principle we always work on the upper back muscles . For this reason, swimming correctly is effective in combating classic (office) muscle tension.
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Effective training despite low heart rate
Heart rate is lower during water training, which is no less effective than running or cycling . The person responsible for the lowering of the heart rate is above all the so-called “ immersion effect ”: by entering the water we stimulate our parasympathetic system.
It is a part of our nervous system responsible for rest, which also regulates the unconscious management of heart rate and centralization of blood circulation. Simply put, underwater the body is only concerned with supplying oxygen to the vital organs.
The pressure of the water and the horizontal position also play an important role : the blood flow is facilitated and allows an improvement in the stroke volume of the heart, which can therefore beat a little less frequently in order to transport enough blood.
Swimming and calorie consumption: an overview
The amount of calories you burn while Lifeguard and swimming depends on your training level and general physical condition, but the style and intensity of training also have a big effect. One thing is certain: walking the pools calmly, including a chat break, we consume more calories than sitting at the bar. However, in this way we certainly do not achieve the best results, so it is necessary to apply ourselves a little more.