Exercise

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Fitness helps people live and enjoy life to the fullest. Keeping mentally and physically fit keeps people less prone to diseases such as cardiovascular conditions and obesity. Physically and mentally fit people are also highly likely to have a relaxed mind.

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  • Why does your heart rate increase when you exercise?

    Q: Why does your heart rate increase when you exercise?

    A: As soon as a person begins to exercise, the heart begins beating more rapidly in an effort to pump oxygen-containing blood to the muscles. In order to contract, which they must during exercise, muscles require more oxygen than they do when at rest. A person's heart rate continues to increase with more exertion until it reaches its maximum capacity.
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  • What is the definition of "interval training"?

    Q: What is the definition of "interval training"?

    A: According to the Mayo Clinic, interval training involves alternating bursts of rigorous activity with intervals of lighter activity. For example, one might sprint for one minute and then walk for two minutes, repeating the circuit several times.
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  • Who invented push-ups?

    Q: Who invented push-ups?

    A: The inventor of the modern push-up, according to SOPHIA-FIT, was Jerick Revilla, who came up with the exercise technique in 1905. The Roman emperor Constantine has also been credited with creating this form of exercise.
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  • What muscle groups do leg extensions work?

    Q: What muscle groups do leg extensions work?

    A: According to AZ Central, seated leg extensions work the four muscle heads of the quadriceps, which are in the upper thighs. Standing leg extensions also work the quadriceps and other abdominal muscles. AZ Central explains that standing leg extensions work the transverse abdominal, or stomach muscle, and the obliques at the same time. Obliques are side abdominal muscles that enable individuals to balance on one leg.
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  • What are some exercises that help a compressed vertebra?

    Q: What are some exercises that help a compressed vertebra?

    A: According to Johns Hopkins Medicine Health Library, exercises that strengthen the back and abdominal muscles can alleviate the symptoms of a compressed vertebra. The exercises should be performed under the supervision of a physician or physical therapist who can ensure the exercises are done safely.
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  • How long does it take to see results from exercise?

    Q: How long does it take to see results from exercise?

    A: Results from exercising are visible in a week. The first week of working out yields the most dramatic results, though other gains may take longer. People can lose two pounds in their first week of exercising with the combination of healthy eating.
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  • How many Americans exercise regularly?

    Q: How many Americans exercise regularly?

    A: According to the Centers for Disease Control and Prevention, 49.6 percent of Americans 18 and over met the Physical Activity Guidelines for aerobic activity in 2012 and 23.6 percent of Americans 18 and over met the guidelines for muscle strength activity. About 20.3 percent met the guidelines for both.
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  • What is a good total gym workout?

    Q: What is a good total gym workout?

    A: A full workout routine should include cardio, strength training, and stretches, according to About.com. All areas of the body should be addressed including ,but not limited to, abs, thighs, calves, and biceps.
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  • Why does exercise increase heart rate?

    Q: Why does exercise increase heart rate?

    A: Physical exercise increases the heart rate because the working muscles require more oxygen to produce the energy required to sustain that physical activity. Healthy Living at AZ Central explains that the heart pumps the blood faster to supply the extra oxygen needed through the bloodstream.
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  • What is a normal heart rate during exercise?

    Q: What is a normal heart rate during exercise?

    A: While the normal resting heart rate is 60 to 80 beats per minute, according to the American Heart Association, heart rate during exercise is measured in relationship to the target heart rate, rather than to any average. Target heart rate depends on the age of the exerciser.
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  • What are some indoor cardio exercises?

    Q: What are some indoor cardio exercises?

    A: Shape Magazine explains an effective cardio workout that can be performed indoors begins with a four-move warm-up before moving on to the main regimen of exercises. The goal is to perform each exercise as fast as possible without resting between the moves. After completing the routine, the exerciser rests for one minute before repeating the round of exercises a few more times. Shape Magazine suggests using yoga cool-down poses.
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  • How does exercise affect the lungs?

    Q: How does exercise affect the lungs?

    A: Although exercise has no effect on lung capacity, exercise benefits the body's cardio-respiratory efficiency, according to Scientific American. During exercise, the heart pumps harder and faster, working with the lungs to deliver oxygenated blood to the muscles. Breathing rate and depth increase as the lungs work to provide more oxygen to the blood pumping through. Exercisers' bodies grow better at loading, transporting and using oxygen.
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  • How many hours a week should you exercise?

    Q: How many hours a week should you exercise?

    A: The American College of Sports Medicine recommends that adults engage in 150 minutes of moderate intensity cardiorespiratory exercise per week. In addition, they recommend resistance, flexibility and neuromotor exercises.
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  • Why is keeping fit important?

    Q: Why is keeping fit important?

    A: Fitness helps people live and enjoy life to the fullest. Keeping mentally and physically fit keeps people less prone to diseases such as cardiovascular conditions and obesity. Physically and mentally fit people are also highly likely to have a relaxed mind.
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  • What muscles are used in cycling?

    Q: What muscles are used in cycling?

    A: Trails.com explains that the main muscles used in cycling are the gluteal muscles (gluteus maximus and gluteus minimus), quadriceps, hamstrings, and calf muscles. Other muscles are also used for stability.
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  • What is a good ab workout routine?

    Q: What is a good ab workout routine?

    A: A good abdominal workout routine should result in a streamlined waist, reduction in flab and etched abdominal muscles, according to Jim Stoppani, PhD, in an article describing the program he designed to build powerful abdominal muscles. Stoppani explains that in addition to the exercises, it is critical to eat a low-fat diet. Stoppani also believes that crunches are not the most effective abdominal workout.
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  • Should you do sit-ups before or after you eat?

    Q: Should you do sit-ups before or after you eat?

    A: The Army Times suggests eating food or supplements that have protein before a workout to boost energy. They stress the importance, however, of eating lightly prior to doing any type of crunches in order to avoid getting stomach cramps or gas during the exercise.
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  • What happens inside our bodies when we exercise?

    Q: What happens inside our bodies when we exercise?

    A: During exercise, the muscles pull oxygen out of the bloodssstream, blood vessels dilate for increased blood flow, the heart and diaphragm work harder, and the body starts to sweat to remove heat from the body. On the molecular level, the body creates adenosine triphosphate (ATP) to provide energy to the exercising muscles.
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  • Why are sports important?

    Q: Why are sports important?

    A: Sports are important primarily because they provide children and recreational participants with a social outlet and improve physical skills and health. Sports provide physical and psychological benefits to people of all ages.
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  • What muscles do lunges work?

    Q: What muscles do lunges work?

    A: A forward lunge targets the abdominal muscles (transverse abdominus and obliques), the glutes (gluteus maximus, gluteus medius/minimus), the anterior thigh muscles (quadriceps) and the posterior thigh muscles (hamstrings). According to Healthy Living, it also works the calf muscles.
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  • What are long-term effects of exercise?

    Q: What are long-term effects of exercise?

    A: According to TeachPE, the three main long-term effects of exercise are a more efficient circulatory system, a healthier respiratory system, and an increase in muscle mass. The combination of these three benefits of exercise can help lower blood pressure, improve breathing, and increase energy, among other positive long-term effects.
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