Depending on whether your team is on offense or defense, a soccer goal can appear huge, or too small to kick the ball past the goalkeeper. In reality, the official size of the goal is the same for high school, college and international competitions.

Muhammad Ali was one of the greatest heavyweight champions in the history of boxing. He was a boxing phenom, winning the 1960 Olympic gold medal and then storming through the heavyweight division as a pro and defeating champion Sonny Liston.

Before purchasing a new bike, consider what your needs are and what purpose the bicycle will serve. For those who seek comfort and plan to commute on the road or light trails in rain or shine, a hybrid bicycle might be the right choice. Trek and Fuji are two major producers of hybrids.

The javelin throw is the field event where an athlete runs down a narrow runway then tosses a long, spear-like object as far as he can into a marked field area. The layout of the runway, the specs for the javelin and how it's thrown are all governed by the rules and regulations of the sport.

Pegs are not common on most forms of bicycles. In fact, for many types of bikes, they would only serve as useless weight or an obstacle to deal with. These pegs are usually fixed to the rear axle and front wheel of your bike. Pegs are used primarily to perform stunts and tricks on motocross bicycles.

The answer to whether you can wear soccer cleats for soccer is, “it depends.” If you're the parent of young athletes tearing from one recreational league to another, the soccer cleats can do double duty for softball.

Threadworms are a common, non-fatal parasite that can live in the human small intestine. It is unusual in developed countries where the water and soil are not contaminated with fecal matter. If you do contract threadworms, avoid swimming because you may contaminate the water.

The game of basketball was invented by Dr. James A. Naismith in Springfield, Massachusetts, in 1891 to give his physical education students something to do in the winter months while indoors. Since that time, basketball has grown dramatically and is arguably the second-most popular sport in the world behind soccer.

Strategies in bat selection and batting technique can lead to the coveted home run in slow-pitch softball. Send the ball deep into outfield or over the fence by delivering maximum bat-head speed as you swing through the hitting zone using a bat that feels comfortable in your hands and allows you to swing quickly.

Basketball is one of the most popular sports in the world and many people will do anything they can to play. For some that includes making their own basketball goal or rim out of whatever they can find.

A hockey puck can scorch across the ice at 110 mph, as measured by all-star contests in 2011 in the U.S. and Russia. The fastest pitchers can launch a baseball at 105 mph, as the Cincinnati Reds' Aroldis Chapman managed in September 2010.

A rusty bicycle not only looks bad but it can be squeaky and not perform at its best. There is no set-in-stone way to remove rust from a bicycle or its components, but several home methods can help you clean up your bike.