Elite athletic performance and general fitness are sustained through structured hypertrophy strategies, sport-specific conditioning, and rigorous adherence to injury prevention protocols.
Basketball can be a great aerobic exercise that also tones your muscles. The calories you burn playing basketball for 30 minutes varies from person to person and type of basketball activity.
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Though most bicycle tires are measured and labeled in inches, road tires like the 700c and 650c are measured and labeled in mm. You can convert inch-based and metric tire designations to a metric format developed by the standardization groups ISO and ETRTO.
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Choosing wider tires and stronger wheels helps heavier cyclists have a safer, more comfortable and enjoyable ride. Most bikes, except for high-performance racing bikes designed for thin riders, safely support riders of at least 200 pounds, and many can support riders weighing 300 pounds or more.
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Until the early 1980s, nearly all bikes for adults had 72 spokes total -- 32 on the front wheel and 40 on the rear for English bikes, or 36 on each wheel for other countries. Only very expensive racing wheels used 32 spokes.
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In reference to bicycle frames, “alloy” means aluminum alloy, unless the description includes another type of material. Alloys are metals with other elements added to improve properties like strength or stiffness. Alloy frames are a relatively recent introduction to the world of bicycling.
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Leg lifts may be a form of calisthenics, or exercises performed using your body weight with no other equipment. You can also do leg lifts with weights or on weight machines.
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At first glance, it appears that the difference between a 26-inch wheel and a 28-inch wheel is just 2 inches of diameter. However, the difference in size is rarely exactly 2 inches, due to varying widths and depths of the tires used.
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Mountain biking encompasses a variety of styles of off-road riding. As a result, no firm guidelines for calorie burning exist for mountain biking. However, you can estimate your calorie usage by taking into account a few different factors.
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In general, bicycling burns more calories than walking, but this depends on the difficulty of each activity as well as the person doing the activity. All calorie burning figures are estimates; your results will likely be slightly different.
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Different types of bicycles use different sizes of wheels. In general, modern bikes use 26-inch or 700c wheels, tires and tubes, of which 700c is larger. A bike wheel can accommodate a limited range of tire and tube widths, but getting the right tube diameter is essential for avoiding flat tires and ruined tubes.
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Kona, based in Ferndale, Washington, and Vancouver, British Columbia, Canada, is best known for its mountain bikes, though the company also manufactures a small selection of road bikes. Kona provides rough sizing guidelines for its bicycles but emphasizes that a personal fit is vital to your enjoyment of your new bike.
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Titanium and carbon fiber are newer materials used in bicycle construction. Titanium is a pure metal that is then mixed with alloying materials such as aluminum or vanadium to create a durable bike frame material, according to the website the Care Exchange.
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With the wind in your face and the sun on your back, you can stay on the pavement or swing off to enjoy an adventurous ride on a bike path or trail. Whether a mountain, comfort or hybrid, your bicycle has tires carefully selected to accommodate your riding needs.
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In the United States, helmets designed specifically for bicycling differ from helmets made for skateboarding. Considerably fewer helmets are designed specifically for roller skating or in-line skating.
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Setting the proper height for your handlebars (and adjusting other bicycle components such as the seat and cranks) can help alleviate back, wrist and arm pain while riding, according to Boulder Community Hospital’s Center for Sports Medicine.
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Bicycle wheel bearings are located inside the wheel hub. Though they are easily accessed on front wheels, you may need to remove the sprockets to access a rear wheel hub. If you’ve ever changed the bearings on a cup-and-cone style bottom bracket, you will recognize the similarities in many steps of this process.
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If your bike has a steel frame, steel wheels or any chrome-plated parts, you may find that rust grows quickly when you park or ride your bike out in the rain. Rust also spreads on steel chains, seat posts, handlebars, racks, brake and shifter cables and inside the frame.
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