Many animals are born with the ability to swim, but humans must learn practice before being able to swim with ease. Some people never learn how to swim, which often causes them to fear water. Learning to swim is important for several reasons, and mastering this skill at a young age can benefit you throughout your life.

When a football team wins a game, the time on the practice field may be the primary reason for the positive performance. Coaches will decide how much time to practice based on the time of the year, the team's recent performance and whether new plays are going to be introduced.

Like most land mammals, humans are naturally able to float and swim. While we are not able to approach our maximum land speeds, humans can achieve considerably high speeds in the water. With the help of training and equipment such as fins and bodysuits, we are now able to achieve higher speeds than ever before.

Arm soreness is a common condition among baseball players of all ages, but it is usually not a cause for concern at all. You can take numerous steps to ensure that the soreness goes away and does not lead to a more serious condition.

There is no need to be a gymnast in order to do a backflip on a trampoline. Thanks to its bouncy surface, all it takes is time and practice. Practice moves such as a backdrop to overcome any fears then roll into a backward somersault. Once you have mastered these basic movements try to do a backflip.

Playing zone defense in football requires players to patrol a certain area of the field and cover any offensive player that comes into that zone. In terms of playing zone defense for 7-on-7 flag football, it's possible to successfully apply several schemes from standard, 11-man football.

The game of soccer -- more commonly referred to outside the United States as football -- has long been one of the most popular sports in the world. With origins that date back many centuries, soccer is played by young children, college students and professionals.

For most hockey players, choosing the proper stick is a personal decision. Selecting the right height, weight and flexibility can be the difference between a game-winning goal and missing the net completely. One of the most important factors when choosing a hockey stick is the curve of its blade.

Look at any professional cyclist and you’ll notice what USA Cycling’s endurance director calls his “strange” shape: bulging quads and big butt with a small waist. The best cyclists use both their quads and glutes, or butt muscles, to provide power with each pedal stroke.

The Amateur Softball Association of American sets the universal rules for softball in the United States. According to their official rule book, obstruction is when a defensive player affects or prevents a batter from swinging at a pitched ball or hinders the progress of a runner.

Goalkeepers are the only players on the soccer field who get to use their hands without incurring a penalty. They even wear different uniforms than the rest of the players. This enables them to stand out to other players and officials and to protect themselves from injuries.

A successful 800-meter race requires a lot more than just the 90 to 120 seconds you see during competition. Training includes long runs, interval workouts, cross training and weight training -- with five to six days of training and double workouts on some days.