An athletic supporter, commonly referred to as a jockstrap, is a male undergarment intended to support and protect the male genitals. Some designs feature a small pocket in the front where a protective cup can be placed.

Bungee jumping may give you great thrills, but also may leave you with great injuries. After you free fall, the bungee cord tugs you back upward with a sudden and great force.

The quadriceps muscle (quad) is the large muscle group in the front of the thigh. It consists of four separate portions or “heads” including the rectus femoris, vastus lateralis, vastus medialis and vastus intermedius.

As many as 59 percent of adolescents can identify a role model in their lives, according to research published in the January 2011 issue of the "Journal of Adolescent Health." Of the adolescents with role models, those that looked to athletes were more likely to make positive health-related decisions.

Having fun, making friends and getting exercise are just a few benefits for youths who participate in sports. However, sports also help children learn and hone skills such as how to challenge themselves and how to cope with intense competition.

Athletics is often used synonymously with any sporting activity, but in most cases, athletics refers primarily to track-and-field events that involve running, jumping or throwing.

The height and weight of rowers have a direct correlation on the power of their stroke. University of Copenhagen exercise scientist Niels Secher's research shows that elite rowers are tall and have lean, muscular bodies.

The United States All Star Cheerleading Federation (USASF) oversees safety, rules and regulations for all-star cheerleading programs. It makes all aspiring all-star coaches go through a rigorous credentialing process.

Budget cuts and decreasing philanthropic donations have reduced the amount of funding available for athletic programs. If you have exhausted your fundraising efforts, consider writing a grant proposal. Organizations continue to offer grant funding for athletic programs.

Grant money can be used to obtain equipment, train your coaches and to pay fees for players that would otherwise be unable to participate. The availability and type of grant differs depending on your location.

Debating the best sport for exercise for the overall body is a bit like discussing whether you like Mary Ann or Ginger -- or even Gilligan -- best on “Gilligan’s Island.” No definitive answer exists. Still, qualified experts including “Forbes” magazine, ESPN.

Track spikes are worn by runners to maximize their grip during competition and training. The spikes, usually made of metal, screw into the sole of the shoe and the length and configuration of the spikes depends on the running surface and event.