When the neural networks that emanate from the cerebellum (the part of the brain responsible for coordinating motor activity) are disrupted by a concussion, a fighter loses his ability to coordinate foot movements. "They become flat-footed, which is the inability to adjust. Why do boxers have skinny legs? Most boxers have thinner legs because the amount of boxing footwork, running, rope jumping etc, burns up a lot of energy and leads to thinner, denser, springy muscles in the legs rather than huge increases in muscle mass.

How Do Mouthguards Keep Players Safe? Think of a mouthguard as a shock absorber for your mouth and teeth. When you get hit in the face during a game, that blow sends shockwaves rippling through your teeth, jaw, and skull. Without a mouthguard, there's nothing in place to block or minimize the intensity of the blow. What is the purpose of a mouthguard in football? A sports mouth guard forms a protective layer over the upper teeth, reducing your risk of injury.

Why do hockey goalies scrap the ice in hockey? A goalie scraps the ice to make it harder for the puck to slide, to even out the surface so pucks will not bounce, to take away the slipperiness of the ice for more controlled sliding, and as mental preparation and warm up before the start of the game/period. Why do hockey goalies hit the ice with their stick? Occasionally during a game you may see a goalie hit the post of the goal behind him with a stick or glove--this is to remind himself of his position on the ice.

Wrestlers considered themselves among a select group, and often kept the fact that their sport was commonly faked—to an extent—in high secrecy. They used a jargon of their own (often shared with carnies) to communicate so the audience would not understand them, including the word "kayfabe." When did wrestling get fake? The first public acknowledgment by a major insider of the staged nature of professional wrestling came in 1989 when World Wrestling Federation owner Vince McMahon testified before the New Jersey State Senate that wrestling was not a competitive sport.

They are on their feet for most of the time -- burning 35 calories per half hour of standing. For every hour she is actively tumbling, dancing and jumping, a cheerleader could burn up to 360 calories an hour if she weighs 130 pounds. Smaller athletes burn fewer calories while larger athletes burn more. How many calories do you burn in a 2 hour cheer practice? The average person will burn 350-600 calories per hour from cheerleading & gymnastics.