Concussions In Sport
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Concussions In Sport
Concussions, a type of mild traumatic brain injury, are a frequent concern for those playing sports, from children and teenagers to professional athletes. Repeated concussions are a known cause of various neurological disorders, most notably chronic traumatic encephalopathy (CTE), which in professional athletes has led to premature retirement, erratic behavior and even suicide. A sports-related concussion is currently defined as a "complex pathophysiological process affecting the brain, induced by biomechanical forces". Because concussions cannot be seen on X-rays or CT scans, attempts to prevent concussions have been difficult. The dangers of repeated concussions have long been known for boxing, boxers and wrestling, wrestlers; a form of CTE common in these two sports, dementia pugilistica (DP), was first described in 1928. An awareness of the risks of concussions in other sports began to grow in the 1990s, and especially in the mid-2000s, in both the medical and the professiona ...
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Concussion
A concussion, also known as a mild traumatic brain injury (mTBI), is a head injury that temporarily affects brain functioning. Symptoms may include loss of consciousness (LOC); memory loss; headaches; difficulty with thinking, concentration, or balance; nausea; blurred vision; sleep disturbances; and mood changes. Any of these symptoms may begin immediately, or appear days after the injury. Concussion should be suspected if a person indirectly or directly hits their head and experiences any of the symptoms of concussion. It is not unusual for symptoms to last 2 weeks in adults and 4 weeks in children. Fewer than 10% of sports-related concussions among children are associated with loss of consciousness. Common causes include motor vehicle collisions, falls, sports injuries, and bicycle accidents. Risk factors include drinking alcohol and a prior history of concussion. The mechanism of injury involves either a direct blow to the head or forces elsewhere on the body that a ...
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Parkinsonism
Parkinsonism is a clinical syndrome characterized by tremor, bradykinesia (slowed movements), rigidity, and postural instability. These are the four motor symptoms found in Parkinson's disease (PD), after which it is named, dementia with Lewy bodies (DLB), Parkinson's disease dementia (PDD), and many other conditions. This set of symptoms occurs in a wide range of conditions and may have many causes, including neurodegenerative conditions, drugs, toxins, metabolic diseases, and neurological conditions other than PD. Signs and symptoms Parkinsonism is a clinical syndrome characterized by the four motor symptoms found in Parkinson's disease: tremor, bradykinesia (slowed movements), rigidity, and postural instability. Parkinsonism gait problems can lead to falls and serious physical injuries. Other common symptoms include: * Tremors when resting (mostly in the hands) * Short, shuffling gait * Slow movements (bradykinesia) * Loss of sound perception leading to low, soft speech ...
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Johns Hopkins University
Johns Hopkins University (Johns Hopkins, Hopkins, or JHU) is a private university, private research university in Baltimore, Maryland. Founded in 1876, Johns Hopkins is the oldest research university in the United States and in the western hemisphere. It consistently ranks among the most prestigious universities in the United States and the world. The university was named for its first benefactor, the American entrepreneur and Quaker philanthropist Johns Hopkins. Hopkins' $7 million bequest to establish the university was the largest Philanthropy, philanthropic gift in U.S. history up to that time. Daniel Coit Gilman, who was inaugurated as :Presidents of Johns Hopkins University, Johns Hopkins's first president on February 22, 1876, led the university to revolutionize higher education in the U.S. by integrating teaching and research. In 1900, Johns Hopkins became a founding member of the American Association of Universities. The university has led all Higher education in the U ...
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Chicago Bears
The Chicago Bears are a professional American football team based in Chicago. The Bears compete in the National Football League (NFL) as a member club of the league's National Football Conference (NFC) North division. The Bears have won nine NFL Championships, including one Super Bowl, and hold the NFL record for the most enshrinees in the Pro Football Hall of Fame and the most retired jersey numbers. The Bears have also recorded the second-most victories of any NFL franchise, only behind the Green Bay Packers. The franchise was founded in Decatur, Illinois, on September 20, 1919 and became professional on September 17, 1920, and moved to Chicago in 1921. It is one of only two remaining franchises from the NFL's founding in 1920, along with the Arizona Cardinals, which was originally also in Chicago. The team played home games at Wrigley Field on Chicago's North Side through the 1970 season; they now play at Soldier Field on the Near South Side, adjacent to Lake Michigan ...
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Asymptomatic
In medicine, any disease is classified asymptomatic if a patient tests as carrier for a disease or infection but experiences no symptoms. Whenever a medical condition fails to show noticeable symptoms after a diagnosis it might be considered asymptomatic. Infections of this kind are usually called subclinical infections. Diseases such as mental illnesses or psychosomatic conditions are considered subclinical if they present some individual symptoms but not all those normally required for a clinical diagnosis. The term clinically silent is also found. Producing only a few, mild symptoms, disease is paucisymptomatic. Symptoms appearing later, after an asymptomatic incubation period, mean a pre-symptomatic period has existed. Importance Knowing that a condition is asymptomatic is important because: * It may develop symptoms later and only then require treatment. * It may resolve itself or become benign. * It may be contagious, and the contribution of asymptomatic and pre-symptomat ...
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Helmet-to-helmet Collision
Helmet-to-helmet collisions are occurrences in gridiron football when two players' football helmets make head-to-head contact with a high degree of force. Intentionally causing a helmet-to-helmet collision is a penalty in most football leagues, including many high school leagues. Despite its long association with American football, this type of contact is now considered to be dangerous play by league authorities due to the potential of causing serious injury. Major football leagues, such as the National Football League (NFL), Canadian Football League (CFL), and NCAA, have taken a tougher stance on helmet-to-helmet collisions after the US Congress launched an investigation into the effects repeated concussions have on football players and the new discoveries of chronic traumatic encephalopathy (CTE). Other possible injuries include head traumas, spinal cord injuries, and even death. Helmet manufacturers are constantly improving their designs in order to best protect their users ag ...
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National Football League
The National Football League (NFL) is a professional American football league that consists of 32 teams, divided equally between the American Football Conference (AFC) and the National Football Conference (NFC). The NFL is one of the major professional sports leagues in the United States and Canada and the highest professional level of American football in the world. Each NFL season begins with a three-week preseason in August, followed by the 18-week regular season which runs from early September to early January, with each team playing 17 games and having one bye week In sport, a bye is the preferential status of a player or team that is automatically advanced to the next round of a tournament, without having to play an opponent in an early round. In knockout (elimination) tournaments they can be granted eit .... Following the conclusion of the regular season, seven teams from each conference (four division winners and three wild card teams) advance to the p ...
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National Football League Players Association
The National Football League Players Association, or NFLPA, is a labor union representing National Football League (NFL) players. The NFLPA, which has headquarters in Washington, D.C., is led by president J. C. Tretter and executive director DeMaurice Smith. Founded in 1956, the NFLPA is the second-oldest labor union of the four major professional sports leagues; it was established to provide players with formal representation to negotiate compensation and the terms of a collective bargaining agreement (CBA). The NFLPA is a member of the AFL–CIO, the largest federation of unions in the United States. In the early years of the NFL, contractual negotiations took place between individual players, their agents, and management; team owners were reluctant to engage in collective bargaining. A series of strikes and lockouts have occurred throughout the union's existence largely due to monetary and benefit disputes between the players and the owners. League rules that punished playe ...
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NCAA Division I
NCAA Division I (D-I) is the highest level of College athletics, intercollegiate athletics sanctioned by the National Collegiate Athletic Association (NCAA) in the United States, which accepts players globally. D-I schools include the major collegiate athletic powers, with large budgets, more elaborate facilities and more athletic scholarships than Divisions II and III as well as many smaller schools committed to the highest level of intercollegiate competition. This level was previously called the University Division of the NCAA, in contrast to the lower-level College Division; these terms were replaced with Roman numerals, numeric divisions in 1973. The University Division was renamed Division I, while the College Division was split in two; the College Division members that offered scholarships or wanted to compete against those who did became NCAA Division II, Division II, while those who did not want to offer scholarships became NCAA Division III, Division III. For colle ...
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NCAA Division II
NCAA Division II (D-II) is an intermediate-level division of competition in the National Collegiate Athletic Association (NCAA). It offers an alternative to both the larger and better-funded Division I and to the scholarship-free environment offered in Division III. Before 1973, the NCAA's smaller schools were grouped together in the College Division. In 1973, the College Division split in two when the NCAA began using numeric designations for its competitions. The College Division members who wanted to offer athletic scholarships or compete against those who did became Division II, while those who chose not to offer athletic scholarships became Division III. Nationally, ESPN televises the championship game in football, CBS televises the men's basketball championship, and ESPN2 televises the women's basketball championship. Stadium broadcasts six football games on Thursdays during the regular season, and one men's basketball game per week on Saturdays during that sport's ...
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NCAA Division III
NCAA Division III (D-III) is a division of the National Collegiate Athletic Association (NCAA) in the United States. D-III consists of athletic programs at colleges and universities that choose not to offer athletic scholarships to their student-athletes. The NCAA's first split was into two divisions, the University and College Divisions, in 1956, the College Division was formed for smaller schools that did not have the resources of the major athletic programs across the country. The College Division split again in 1973 when the NCAA went to its current naming convention: Division I, Division II, and Division III. Division III schools are not allowed to offer athletic scholarships, while D-II schools can. Division III is the NCAA's largest division with around 450 member institutions, which are 80% private and 20% public. The median undergraduate enrollment of D-III schools is about 2,750, although the range is from 418 to over 38,000. Approximately 40% of all NCAA studen ...
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University Of North Carolina At Chapel Hill
A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, the designation is reserved for colleges that have a graduate school. The word ''university'' is derived from the Latin ''universitas magistrorum et scholarium'', which roughly means "community of teachers and scholars". The first universities were created in Europe by Catholic Church monks. The University of Bologna (''Università di Bologna''), founded in 1088, is the first university in the sense of: *Being a high degree-awarding institute. *Having independence from the ecclesiastic schools, although conducted by both clergy and non-clergy. *Using the word ''universitas'' (which was coined at its foundation). *Issuing secular and non-secular degrees: grammar, rhetoric, logic, theology, canon law, notarial law.Hunt Janin: "The unive ...
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