Bike riding speeds vary widely depending on your riding conditions. When you are zooming down a paved hill, your speed may increase to over 20 mph, while you may slow to only a few miles per hour when you are climbing a steep or rocky grade.

Soccer is an anaerobic sport that consists of rapid bursts of activity followed by short periods of rest. To be successful, a soccer player must have pure sprinting speed but also the ability to dodge other players and make tackles, which requires agility.

If you watch football regularly, you may have noticed that players traditionally tape their wrists. Although a small amount of tape around a player's wrist appears to have very little function, this tradition has multiple uses and may be an important part of a player's pregame preparation.

A partial medial collateral ligament tear is an injury to one of the ligaments that support your knee. It is a serious injury that must be treated properly. Once you feel strong enough, you may begin biking, which can help you regain flexibility in your knee without causing any additional damage.

What goes on under your singlet is important. The singlet is a standard competition uniform for collegiate, freestyle and Greco-Roman wrestling. It consists of a single piece of stretch fabric that covers the upper legs and torso, much resembling the one-piece bathing suits of the late 1800 and early 1900s.

Chances are good, if you are a basketball player, that you want to jump high, shoot efficiently and run quickly. Strengthening your quads, glutes, upper body and core will help build the muscular endurance and strength necessary for the court.

One inch can mean the difference between a winning goal or a tied game. A soccer ball must be all the way across the line to score. Various rules apply to soccer scoring. For instance, the ball can cross the goal on the ground on in the air.

Even amateur adult players can boom a soccer ball 50 yards or more down the field, from the goal area past the halfway line, and professional goalkeepers such as Manchester United's Edwin van der Sar can make the ball sail three-quarters of the length of the pitch.

A hysterectomy -- the removal of your uterus -- limits your ability to exercise until your body heals. The method used to remove it plays a role in how soon you can return to a regular exercise routine.

Long distance swimming is an endurance activity that commonly includes distances of 5, 10 or 25 km open water competitions. With the specific challenges of the endurance event in open water, your swimming techniques and training must meet those challenges to maximize performance.

Baseball is the only major team sport played in North America that does not have a time clock. At the major league level, teams play nine innings to decide the game. If the game is tied after nine innings, the teams will play extra innings to determine a winner.

Swimming is a good way to lose weight and get fit. This is especially true if it's an activity you already enjoy; which will make you more likely to continue doing it. Swimming burns calories and improves your heart health; but it can be especially beneficial for those with joint problems.