Physical activity boosts the immune system. This is dependent on the concentration of endogenous factors (such as sex hormones, metabolic hormones and growth hormones), body temperature, blood flow, hydration status and body position.[37] Physical activity has shown to increase the levels of natural killer (NK) cells, NK T cells, macrophages, neutrophils and eosinophils, complements, cytokines, antibodies and T cytotoxic cells.[38][39] However, the mechanism linking physical activity to immune system is not fully understood.
Exercise boosts energy. Regular physical activity can improve your muscle strength and boost your endurance. Exercise delivers oxygen and nutrients to your tissues and helps your cardiovascular system work more efficiently. And when your heart and lung health improve, you have more energy to tackle daily chores. And after my exercises, I like to have the best supplements for a stronger and fitter body. I would like to recommend it to every individual as it�s natural and does not cause any harm to the body. It�s a must try!
Strength, cardiovascular endurance, balance, agility and flexibility should be the goals of any well-rounded fitness program. But how do you go about developing these skills? The key is variety. Don't spend all your time in the weight room or on the treadmill. Include different types of fitness training in your routine and you'll see better overall results in your exercise performance and how your body performs and feels in daily life.
There are different categories or types of physical fitness training. Each corresponds to a defined purpose or fitness goal such as the development and improvement of one or more of the five dimensions of physical fitness, or for participation in a particular type of sports and rehabilitation through physical training, among others. Note that the different types of training also correspond to the different categories or types of exercises.
Physical fitness includes having a strong heart, powerful muscles, balance and agility, muscular endurance and speed and quickness. To improve your fitness in these areas, you'll need to create different workouts by varying the intensities at which you perform your exercises, such as using more resistance to build strength, and working at higher speeds for short durations to build speed. For many people, basic fitness includes your ability to perform physical activity with a sound cardio, strength and endurance base.

Exercise and physical activity fall into four basic categories—endurance, strength, balance, and flexibility. Most people tend to focus on one activity or type of exercise and think they’re doing enough. Each type is different, though. Doing them all will give you more benefits. Mixing it up also helps to reduce boredom and cut your risk of injury.


New (July 2011) guidelines in the United Kingdom include the following points: The intensity at which we exercise is key, and light activity such as strolling and housework is unlikely to have much positive impact on the health of most people. For aerobic exercise to be beneficial it must raise your heartbeat and make you sweat. The more exercise you do, the better. Everyone should do a minimum of 150 minutes a week of moderate-intensity aerobic exercise but that really is the minimum for health benefits. If you can go beyond 150 minutes, you’ll gain even more health benefits. Sedentary time (time spent sitting down to watch TV, use a computer, read or listen to music) is bad for your health, even for those who are achieving 150 minutes of exercise a week. These guidelines, are now much more in line with those used in the US, also include recommendations for muscle-building and bone strengthening activities such as lifting weights and yoga.
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