Comprehensive Sports Guide: Rules, Conditioning & Equipment

Athletic mastery depends on understanding official gameplay rules, optimizing equipment technology, and implementing sport-specific conditioning drills.

Bike for girls

What Kind of Paint Do I Use on a Bicycle?

After removing the old coat of paint and stickers and sanding down your bike frame, you need to choose a type of paint that will make your bike shine. You can always purchase a 99-cent can of spray paint from the hardware store, but the results won't be amazing.

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Mountain biker on a forest trail

The Speed Difference in Mountain Bikes & Road Bikes

Mountain bikes can scramble over roots and rocks that would stop a road bike in its tracks, but when it comes to pavement, a road bike will take the lead every time. This discrepancy in speed results from the weight of the bikes, the position of the riders and other basic differences in construction.

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Senior woman floating in pool, arms outstretched, smiling, close-up

Different Floating Positions in Swimming

Knowing how to float in the water for long periods of time could save your life in an emergency. Although you often see swimmers floating on their backs, this is just one of many possible positions. Relaxing and staying motionless help you float more easily, regardless of the position.

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Little boys smiling in the pool

Effects of Chlorine on Swimmers

Chlorine is a yellow-green gas with a strong odor that ranks among the top 10 most common chemicals produced in the United States, as of 2011. Used during World War I as a chemical weapon, today its uses include disinfecting everything from tap water to industrial waste and sewage.

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Advantages & Disadvantages of Swimming

Swimming is an excellent way to get in shape, but spending time in an over-chlorinated pool is associated with certain health hazards, such as asthma. While swimming in the ocean, stay on the lookout for sea creatures such as jellyfish.

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