Your goalkeeper needs a substantially different approach to training than your field players. The fitness demands of a goalkeeper compared to those of a field player are like “comparing a sprinter to a distance runner in track and field,” writes coach Debra LaPrath in “Coaching Girls Soccer Successfully.

Gatorade and Powerade are the number one and number two sports drinks in America, respectively. Both brands have different flavors and lines. Gatorade has a line of three “performance” drinks for before, during and after exercise. Powerade offers ION4 and the ZERO calories series.

While football traces its origins to rugby and soccer, the unique history of American football has resulted in a game that substantially differs from its predecessors. As such, even those who are familiar with rugby and soccer might find football difficult to follow.

Cyclists train in many different ways depending on their goals, time restraints and fitness levels. Often this training consists of riding in certain predefined zones that a rider measures based on a power meter, heart rate monitor or perceived exertion.

Soccer and volleyball are sports that can be played both indoors and outdoors with teams of either men or women. But that's about where the similarities between the two end.

The loss of sensation in your hands while riding a bike is not necessarily an indication of an illness. Even a healthy bicyclist can experience this problem. For most people, the cause is the positioning of your hands or posture while riding.

A multispeed bike allows you to comfortably ride at different speeds across varying terrain. Each speed on a bike refers to a different combination of gears. By changing the combination of these gears, you can make it more or less difficult to pedal.

Swimming requires your arms and legs to remain in motion in order to stay afloat and propel yourself backward or forward. There are four fundamental strokes in swimming, all of which use the arms in a different manner. The legs, for the most part, perform the same action when swimming.

Getting in shape for college soccer is a year-round process and a daily commitment. After your high school or U-18 club team finishes its season, and following one to two weeks of rest, you’ll want to begin preparations.

The 800-meter run -- about 4.6 meters shy of a half-mile -- is one of track and field's middle-distance events. It requires a unique blend of pure speed and endurance.

According to a 2011 Harris Interactive Poll, football is the most popular sport in the United States, with basketball checking in at third. However, the similarities between the two sports end there, as the two have little in common besides being two of the most popular team sports.

Most young soccer players 8 years old and under are still learning how their bodies move and are still developing their motor skills. Learning how to dribble, pass and shoot the ball can be challenging and frustrating to some players.