Successful basketball results from a combination of several skills, including speed, conditioning and athleticism. As a result, coaches and scouts test speed using a series of assessments such as the 40-yard dash, agility drills, vertical jump and the mile run.

Whether swimming leisurely or competitively, the effects on the body are both healthy and beneficial. Not only does swimming improve your cardiovascular system, it also reduces your risk of suffering from debilitating diseases, such as heart disease, as you age. Plus, it is an enjoyable way to get some exercise.

The position of soccer goalie necessitates playing the last line of defense for your team. Playing goalie, or goalkeeper, requires leadership skills, confidence, perseverance and the ability to stay calm and cool-headed, even immediately after a mistake.

Most basketball players compete on courts made from hardwood, which provides a smooth, unobstructed surface and a consistent bounce. Yet not all basketball courts feature the same playing surface.

Although natural flexibility is one of the things coaches look for in children who become elite gymnasts, your flexibility isn't limited by your genetics. According to governing body USA Gymnastics, stretching is essential for increasing flexibility.

A torn labrum can occur in on the shoulder or the hip. Both are troublesome for football players, but playing with a torn hip labrum is next to impossible in football because of the running and changes in direction required.

If you've ever ordered a taco salad at a restaurant, it probably arrived at your table in an impressive-looking bowl made from a large tortilla, baked or fried to a crisp and just roomy enough to house the salad's greens and vegetables.

At first glance, there is not a large difference in size between a lacrosse ball and a standard tennis ball. However, a standard tennis ball is a little bit larger, and the lacrosse ball is typically heavier. Many more significant differences are evident when you compare junior tennis balls to lacrosse balls.

Hitting the pool can cool you off and is a fun way to get fit. While a refreshing swim might leave you renewed and invigorated, it can also lead to uncomfortable, itchy eyes. Eye irritation due to swimming, or chemical conjunctivitis, is a common problem among those who swim in chlorinated pools.

Gymnastics offers significant health benefits, even improving problem-solving skills. It improves bone density, flexibility, strength and coordination. Additionally, it can reduce stress. However, gymnastics also poses the risk of increased injury and adds pressure to remain thin.

Rust can be a death sentence for some types of metal. Rusting is the chemical breakdown of metal caused by its exposure to corrosive materials and oxygen. Sometimes the elements in rainwater, salt on the streets and other materials can cause rust to develop on exposed metal.

Improving your running endurance as quickly as possible requires a combination of traditional endurance training and explosive, high-intensity training.