Most men can tolerate a bit of discomfort and even pain when they're cycling, but numb testicles are likely to raise concern. This concern is well-founded. Although the short-term effects are not serious, cycling can cause damage to the male reproductive organs over time. But that doesn't mean you should stop cycling.

The National Federation of State High School Associations, based in Indianapolis, Indiana, sets high school soccer rules in the United States as well as rules for 15 other sports. Founded in 1920, the NFHS largely borrows from the Laws of the Game set by FIFA, the international governing body of soccer.

Covering basketball represents a statistical challenge for media members and the official scorekeeper, who must keep track of points scored, shots taken, shots made and fouls. In some cases, a field goal attempt is also a field goal made when the shot goes through the hoop.

The goal box, also called the penalty box, in soccer is an area 18 yards square. It is the area in which the goalkeeper, but no field player, can handle the ball. Its primary purpose, therefore, is to mark out the goalkeeper's area of influence on the pitch.

Even if cricket is your cup of tea, you may have a hard time following the in's and out's of the game. Especially the "out's." The Laws of Cricket are constantly being revised and upgraded and if someone isn't up-to-date, confusion on the lower levels of the game can occur.

Toe straps on pedals improve the cyclist’s grip while bike riding. The straps are often paired with toe clips, but can also come separately. Riding with toe straps takes some practice and maneuvering. The strap traps the foot onto the pedal.

Fast and effective underwater swimming can make your swim more beneficial to your health and fitness goals. Swimming in a swimming pool will always require underwater swimming when pushing off the walls and during flip turns. Swimming fast underwater will make the transition into your stroke easier and more efficient.

While the common conception of football is that it's only for tall players, the fact is that the versatility of the game provides an avenue for athletes of all shapes and sizes to shine.

Softball tryouts can be the most critical time of the year for some players. If you are a high school player new to your community, this is the best opportunity you have to impress your coach and win a spot on the team or a position in the starting lineup.

The type of swimming trunks you wear are a matter of preference. While some people prefer sportier attire while at the beach with tighter fits and less fabric, others might prefer the modesty of a pair of board shorts.

When a baseball is pitched, hit and flies in the air, one or more of the physical principles formulated over 300 years ago by Sir Isaac Newton act on it. Folklore tells how the mathematician and physicist first realized the law of gravity while observing a falling apple.

One of the problems that many golfers have is the tendency to hit the ground before hitting the ball. Tee shots are usually not a problem because the ball is elevated, but hitting from the fairway is often a completely different story.