Basketball backgrounds, called backboards, can be constructed of many types of material. The best construction materials for your hoop background depend upon the intended use of your backboard, and different standards exist for professional and amateur courts.

Sciatica is a term often mistaken for an actual medical condition. However, sciatica is a symptom of an underlying disorder that results from compression of the sciatic nerve, which originates in your spine and runs down the backs of your legs into your feet.

When a quarterback drops back to throw, commentators and fans often analyze the pass and the quarterback's arm strength. Not many people talk about which muscles are used and influence the throwing motion in football.

All soccer fields are not created equal for a variety of reasons. In fact, the soccer fields used for international competition like the Olympics can be very different from the soccer fields used in local high school games.

Multigeared bikes allow you to ride on varied terrain, whether it's dirt trail or smooth pavement. As you pedal, your drive chain moves over a front and rear cassette, providing various resistance levels.

A 2008 chlorine leak at a public water park in Chicago sent several children to the hospital with breathing problems, blistering around their eyes and mouths, and skin irritation, according to Leslie K. Tamura writing for the website MedIll Reports Chicago.

Volleyball is a game of skill and ability which relies on each player's ability to direct the ball to areas of the court where their opponent can not reach it before it strikes the floor. This process relies on different types of hits using the hands and forearms.

The typical woman golfer requires clubs designed for a typical woman’s body. The clubs should be shorter and lighter than a man’s clubs, at the very least.

Blocking a field goal can change the course of a game. And since there are so many ways to block a field goal, there have to be rules that govern every variation. Some football rules are tricky and luckily the NCAA has it covered.

Boxing accounts for 31 percent of hand and wrist injuries. A wrist sprain is a condition that occurs when you injure the connective tissues that connect your hand to your forearm. Sprains are graded based on the severity of the injury, ranging from a mild stretching of your connective tissue to a complete tear.

Shin splints area a common and often painfully debilitating overuse injury resulting in sharply annoying pains in the shin bones that flare with every step. Shin splints, also called tibial stress syndrome, are exacerbated by repeated high-impact activities, like running and jumping.

As a measure of a hitter’s power, bat speed can provide a youth baseball player with a competitive edge. If a player boosts his bat speed by two miles per hour, he can hit the ball another 20 to 25 feet, according to former coach Dennis Tessicini of Taft High School on HittingWorld.