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.
A:Exercises such as squats, push-ups, lunges, crunches, jumping jacks and planks in different variations all lend themselves to an effective full-body workout without the use of any equipment or weights, according to Men's Fitness. The human body offers a great form of resistance and can essentially be used as its own weight machine when utilized creatively.
A:While each individual child's readiness to play a team sport such as football may vary by age, most kids are ready to play football by age 6 or 7. This is the age where most children not only have sufficient physical capabilities to engage in team sports but also have enough social development to understand rules, sharing and other social aspects of team sports. However, there is an argument against children under the age of 14 engaging in tackle football due to the risk of brain injury such as concussion.
A:According to the Times of India, some of the exercises that can help reduce a double chin include: chin lifts to stretch and tone the facial muscles, platysma exercises to tighten the area around the chin, neck rolls and chin slaps. Fit Day recommends starting with 10 to 15 repetitions.
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.
A:In order to qualify as "big wave" surfing, a surfer needs to tackle waves that are at least 20 feet high. Surfers who wish to surf big waves can either paddle out into the wave on a larger board or be towed in on a smaller board with the help of a jet ski.
A:According to Technogym, a person needs to ride the stationary bike at least 150 minutes a week to get the ideal level of physical activity. The website further recommends doing this for at least three months.
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.
A:It takes the average thru hiker about five months to complete the entire 2,650 miles of the Pacific Crest Trail, though according to the Pacific Crest Trail Association, some experienced hikers have managed to traverse the entire trail in less than 100 days. The trail runs through the Pacific states of Washington, Oregon and California, connecting Canada and Mexico with trailheads at each respective border.
A:Two of the most effective methods for losing weight in the thighs are exercise and eating the right foods, reports MDhealt.com. These methods not only shed weight in the thigh area, but improve overall health as well.
A:WebMD claims there is no evidence showing that calories are burned more efficiently at any specific time of day. Because time of day can influence people's emotions regarding exercise, however, it's important for each person to establish a habit of exercising at the same time every day.
A:High arches, or cavus foot, often develops due to neurological disorders or medical conditions such as muscular dystrophy, cerebral palsy, spina bifida, Charcot-Marie-Tooth disease, polio or stroke. In other cases, however, high arches come from an inherited structural abnormality.
A:A typical beginner workout program includes basic cardiovascular exercises, weight training and exercises to increase flexibility. Three days of cardio and two days of strength training a week are enough for a simple workout plan, but it's best for the exerciser to determine his fitness level to ascertain what would be basic exercises for him, while still being effective.
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.
A:The best way to learn yoga is to take a class with a qualified instructor, according to yoga expert Ann Pizer for About.com. The instructor provides immediate feedback to correct mistakes before they become habits in the student's practice of the art.
A:According to Bodybuilding.com, crunches are preferable for those wishing to work their abdominal muscles and get them in shape. Sit-ups rely primarily on the psoas muscle that runs from the lower back to the front of the thighs; as a result, they do little to build the abs.
A:Plyometrics, also called plyometric exercises, plyos and jump training, is an exercise technique that targets muscles to increase speed, strength and power. This technique is useful in improving the performance of athletes who perform a lot of running and jumping.
A:To slim down muscular legs, you must perform aerobic exercises and avoid workouts that build the leg muscles. You'll either need access to a gym that has cardiovascular equipment or a large, open area where you can perform exercises safely.
A:There is not a single muscle in the human body that is the strongest. The gluteus maximus is the largest muscle and is powerful enough to keep the body erect. The heart is the hardest working muscle, pumping at least 2,500 gallons of blood daily.
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.
A:Cardiovascular efficiency is a measure of how effectively the circulatory system delivers oxygen to the rest of the body through the bloodstream. It can be measured in different ways, including counting beats per minute and calculating the maximum volume of oxygen that can be consumed during an individual's exercise.