Fitness & Exercise

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Dumbbells can be made from a large number of materials. Usually, they consist of cast iron, coated with rubber, neoprene or paint, according to Adamant Barbell. However, they can also be made with many other materials, including concrete.

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  • What is the meaning of physical fitness?

    Q: What is the meaning of physical fitness?

    A: In general, physical fitness refers to one's ability to perform physical tasks, especially as they relate to a sport or occupation; however, because physical fitness encompasses a wide variety of abilities, it means different things to different people. The main categories of physical fitness are aerobic endurance, muscular endurance, strength, speed, power and flexibility.
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  • What are isotonic exercises?

    Q: What are isotonic exercises?

    A: Reference.com states that an isotonic exercise is any exercise in which the length of a person's muscles change. They are the opposite of isometric exercise, in which muscle length does not change.
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  • Is tackle football safe for pre-teens?

    Q: Is tackle football safe for pre-teens?

    A: There is little doubt among experts that youth football is a risky endeavor, but whether that risk means that children should not play tackle football seems to be a matter of perspective and opinion. Some critics and medical experts strongly oppose the notion that children under high school age should play full-contact tackle football, while others argue that life is not without risks, and that risk alone should not determine whether a child plays tackle football.
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  • How do I train for an Ironman Triathlon?

    Q: How do I train for an Ironman Triathlon?

    A: Training for an IRONMAN triathlon requires that you train for all three sections of the race, including the 26.2 mile run, the 112-mile bicycle ride and the 2.4 mile swim. The process takes six months and requires a suitable road bike and swimming and running gear.
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  • Can a toddler get too much exercise?

    Q: Can a toddler get too much exercise?

    A: Toddlers naturally display a high level of energy and will amuse themselves with physical activity, and they will generally tire themselves out naturally as well. Adults shouldn't force toddlers to perform physical activity beyond what they will naturally do to keep themselves amused, though it may be necessary to encourage naturally low-energy toddlers to engage in more active play.
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  • How can you become really strong?

    Q: How can you become really strong?

    A: According to certified personal trainer Paige Waehner for About.com, an effective strength-training program is based on a planned, consistent approach that utilizes various weight-bearing maneuvers intended to break down muscle tissue and subsequently repair it with restorative sleep and a diet containing plenty of lean proteins. Strength increases as exercises are continuously modified to challenge muscle groups past their current training limits.
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  • When is it safe for a child to begin lifting weights?

    Q: When is it safe for a child to begin lifting weights?

    A: Strength training exercises with weights should not be undertaken before a child has developed appropriate balance and posture control, which typically happens around age 7 or 8. Parents whose children are of appropriate age and have the desire to lift weights can take some steps, including consulting with a pediatrician and finding an educated and knowledgeable trainer, to ensure that their child will be undertaking this activity safely.
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  • How much should I be able to bench press?

    Q: How much should I be able to bench press?

    A: According to a Men’s Health, a man should be able to bench press 1.5 times his own body weight to be considered strong. Men’s Fitness backs up this view by and further states a person who can lift two times his own body weight is considered exceptionally strong.
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  • How can kids stay fit if they don't like sports?

    Q: How can kids stay fit if they don't like sports?

    A: Parents and guardians of kids who are not interested in team sports can encourage their children to get involved with a variety of other physical activities. These could include group classes for sports like dance and martial arts, or more solitary pursuits such as hiking, skateboarding, bicycling, running or golf. Parents should be mindful of the fact that it may take a few rounds of trial and error to find a physical activity that will engage the child.
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  • Does muscle burn more calories than fat?

    Q: Does muscle burn more calories than fat?

    A: Muscle tissue does burn more calories than fat, according to MayoClinic. This is one reason why people with larger, more muscular bodies tend to burn more calories than others. However, the "more calories than fat" breakdown may not be as dramatic as some people say it is.
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  • What is the fastest way to rehydrate yourself?

    Q: What is the fastest way to rehydrate yourself?

    A: According to Harvard University, a simple oral rehydrating solution is the most effective way to rehydrate yourself. This solution, consisting of salt, sugar and clean water, was found to be cheap and effective when used to treat victims of infectious diarrheal diseases, including cholera, in third world countries. UNICEF's simple homemade solution contains 5 cups of boiled water, 8 teaspoons of sugar and 1 teaspoon of salt.
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  • How can I increase jumping ability?

    Q: How can I increase jumping ability?

    A: According to Inside Hoops, jumping ability can be improved by performing jumping exercises such as deep knee bends, toe raises, deep knee bend jumps, toe raises with weights, jump rope exercises and abdominal crunches. AZCentral states that lower body weight training can also enhance the jumping ability of a person.
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  • What are three resistance exercises that work the triceps, biceps and abdominal muscles?

    Q: What are three resistance exercises that work the triceps, biceps and abdominal muscles?

    A: According to BodyBuilding.com, barbell curls, weighted bench dips, and cable crunches are resistance exercises that work the biceps, triceps and abdominal muscles, respectively. Resistance training is any exercise that causes muscles to contract against external resistance, including dumbbells and body weight, according to eMedicineHealth.
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  • How many miles is a 2K run?

    Q: How many miles is a 2K run?

    A: A 2-kilometer, or 2K, run is the equivalent of approximately 1.24 miles. Put another way, it is 1 mile and slightly over 427 yards. A 2-kilometer run is a good running distance with which to start for beginners who are not ready to tackle the demands of a 5-kilometer run.
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  • How do I get bigger biceps?

    Q: How do I get bigger biceps?

    A: Get bigger biceps by practicing intensive, bicep-isolating exercises two to three times per week. Choose an appropriate exercise program for your strength and skill level. Focus on the biceps and surrounding brachialis and brachioradialis muscles to aid in elbow and shoulder flexing. For bicep exercises, you need barbells and dumbbells with customizable weights.
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  • What are exercises that lengthen legs?

    Q: What are exercises that lengthen legs?

    A: According to the Huffington Post, exercises that can create the appearance of longer legs include the balance plié and lunges in relevé. Doing these exercises will tone the quadriceps and make them appear longer.
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  • How does exercise affect your heart and lungs?

    Q: How does exercise affect your heart and lungs?

    A: Exercise increases the blood flow in one's heart and strengthens the heart muscles. During exercise more blood gets pumped into the lungs to enable increased oxygen absorption. This oxygen is then carried to the body muscles engaged in exercise, usually the legs and arms. When a person exercises, both his heart rate and his breathing rate increase considerably, making his heart and lungs work harder.
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  • What are the basic steps of aerobics?

    Q: What are the basic steps of aerobics?

    A: Basic steps in aerobics include marching or jogging in place, skipping, jumping jacks, kicking, punching, hamstring curls and the grapevine, a lateral move where exercisers step rhythmically to the right and then to the left. Modern aerobics classes often include modified kickboxing moves in a mode of exercise referred to as cardio kickboxing. Aerobics instructors incorporate strength training exercises in their routines such as squats, lunges and upper-body exercises performed quickly and rhythmically to increase heart rate.
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  • How can a person run a 6-minute mile?

    Q: How can a person run a 6-minute mile?

    A: The ability to run a 6-minute mile depends on fitness level, physical condition, age and genetics. Because of this, some people may never achieve running a mile in 6 minutes, despite extensive training. However, those in good physical condition with a natural runner's body and experience with running might be able to train for a 6-minute mile using a measured distance running path and a stopwatch.
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  • How do you use a pedometer?

    Q: How do you use a pedometer?

    A: Pedometers are devices that measure every step you take. According to About.com, studies show that the more steps you take per day, the better shape you are likely to be in. Wear a pedometer daily, or use a pedometer app on your smart phone to see how much you're moving each day.
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  • How much does the average American exercise?

    Q: How much does the average American exercise?

    A: Based on data collected in 2011, the average American exercises 2.5 hours per week, according to Penn State News. The U.S. Centers for Disease Control and Prevention (CDC) recommends that adults between 18 and 64 years of age engage in four hours of physical activity each week.
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