As a soccer goalie, you must adhere to most of the same fundamental rules as the rest of the players. There are certain rules that apply only to goalkeepers, most of which relate to the fact that you are able to handle the ball with your hands inside the penalty box, whereas field players are not.

Re-attaching a chain on a kid's bike can become a frequent task, as anyone with young bicyclists can attest. The design of a kid's bike does not allow for chain adjustments as with a typical adult bike.

Rules provide an agreement of understanding to competition. In sports, rules define what is allowed or not allowed to occur during situations on and off the court. Rules govern anything from wearing proper uniforms to how to keep score during games of different levels of competition.

Dominant wide receivers are reliable; they have the speed to outrun defenders, the agility to make last second adjustments and, most importantly, they have the ability to make impossible catches in a crowded situation.

Running a half-marathon is quite an accomplishment; one that requires discipline, dedication and rigorous training. Providing your body with the proper fuel is essential for you to perform your best on race day.

Shoulder instability can occur when the structures surrounding the ball-and-socket joint of the shoulder become lax or overstretched.

With the help of Olympic exposure, women's freestyle has become a growing sport. More girls are wrestling at the high school level and several colleges have established women's programs. But in much of the country, girls must still compete against boys. Since 2004-05, 21 women have wrestled for men's college teams.

You may desire to join in the fun of underwater swimming yet not be able to do it without holding your nose. Learning breath control starts with relaxing in the water, becoming comfortable splashing water on your face and submerging. If you are already comfortable this may only take a few sessions.

Those who attend pit bike races are likely to overhear chatter about which bike or rider was faster in a section of the course. Pit bikes compete in classes based on engine size. Depending on the course or type of event, rider-mechanics might set up a bike for low-end acceleration or top speed.

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.

Splitting skin on the bottom of your toes after swimming can be bothersome, especially if it is painful. It can be caused by many factors, infections and conditions, some that require the attention of a doctor.

There's a reason carbon fiber bikes are ubiquitous at the top levels of cycling competition. No other material can match carbon fiber's strength to weight ratio, or its ability to be molded into the most aerodynamic shape.