Football bladders are similar to an inner tube. When the air valve fails or the bladder is punctured, the best solution is replacement. Not all footballs have independent bladders, and you identify these by molded laces.

The defensive end position in football is the most flexible position on the defensive line. To become a dominant defensive end you must have the agility and quickness of an outside linebacker, while possessing the strength of an interior lineman.

Football pads get smelly from absorbing the player’s sweat. Regular washing of the body pads keeps odor and bacteria growth down. You can cut down on the frequency of laundering pads to once or twice a week during football season if you allow the pads to dry completely after each practice.

To excel at football, you’ve got to have exceptional speed and agility. On offense, you’ll be able to run faster down the field and dodge opponents. Defensively, you’ll be better able to stay on a wide receiver and track down a running back.

While most children in youth football leagues enjoy playing the game itself, they may lack the patience required for all of the drills and conditioning they need to make them into football players.

Dominant wide receivers are reliable; they have the speed to outrun defenders, the agility to make last second adjustments and, most importantly, they have the ability to make impossible catches in a crowded situation.

For the span of its existence, the sport of football has had a love-hate relationship with with the public. It can be a dangerous game, requiring players from Pop Warner to the pros to put their bodies on the line for the good of the team. But it's also a perennial favorite for fans and players alike.

Because football is such a high impact and physically taxing sport, you can easily injure yourself while throwing a football. Arm pain can come from many training errors and conditions, some that require a doctor's treatment.

When a team builds a running attack, it can do so with a variety of types of backs. A running back can use his strength and bulk to overpower the defense. A running back can use his speed and quickness to make big plays and key yards.

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.

Most, but not all, NCAA Division I and Division II football programs offer athletic scholarships to help reward players who choose those schools. Two types of non-scholarship players, called “walk-ons,” may also join the squad.

Football is a sport that requires strength and power in nearly every muscle throughout the body. Both lower- and upper-body muscles are involved in activities like running, jumping, blocking, catching and throwing.