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Physical fitness

life science Maturity 5-7 Next article →

Physical fitness is a state of being healthy and well. It is the ability to do sports, jobs, and daily tasks.

USMC-Rich Froning Jr
USMC-Rich Froning Jr

You can reach this state through good food and enough rest. You also need regular physical exercise and a plan to recover. Being fit helps your body work in an efficient way. It also helps you stay healthy and handle emergencies.

Take a Pride in Being Fighting Fit Art.IWMPST2889
Take a Pride in Being Fighting Fit Art.IWMPST2889

There are two main ways that exercise works in the body. Aerobic exercise uses oxygen to help your heart and lungs. This includes activities like jogging, swimming, or cycling.

Barbora Zahlavova Strycova San Diego
Barbora Zahlavova Strycova San Diego

Anaerobic exercise is different because it is very fast and intense. It does not use oxygen to make energy for the body. Examples include sprinting or lifting heavy weights. These movements help build your strength, speed, and power.

People have thought about fitness in different ways over time. Before the Industrial Revolution, fitness meant doing daily work without getting too tired. Around 1950, the word "fitness" became much more common in the West. This happened around the time of World War II. Today, we look at fitness as a way to stay healthy. It is also a way to help the immune system work better.

Experts have created many rules to help people stay active. In 2018, the U.S. Department of Health and Human Services released new guidelines. They suggest adults do 150 to 300 minutes of moderate activity each week.

You can also do 75 to 150 minutes of vigorous activity. In the United Kingdom, guidelines from 2011 also suggest 150 minutes of moderate exercise. Both places say that muscle-strengthening is very important for health.

Fitness is not just about your muscles and your body. It also connects to your mental and emotional health. Moving your body can help with anxiety or depression. It can even help you sleep better at night. When your muscles contract, they release substances called myokines. These myokines help repair your tissues and reduce inflammation. This shows how moving your body helps your whole self.

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File:USMC-Rich Froning Jr.jpg
USMC-Rich Froning Jr.jpg
File:Take a Pride in Being Fighting Fit Art.IWMPST2889.jpg
Take a Pride in Being Fighting Fit...
File:Barbora Zahlavova Strycova San Diego.jpg
Barbora Zahlavova Strycova San Diego.jpg
File:Participants with the Water Warrior class perform squats prior to entering the pool at Camp Foster, Okinawa, Japan, July 6, 2011 110706-M-VD776-004 (cropped).jpg
Participants with the Water Warrior class...
File:Calisthenics, 1867. Granger Collection.jpg
Calisthenics, 1867. Granger Collection.jpg
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