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Hamstring Strain This injury of Hamstring is not because of collision or contact with other players, but when players do sprints or acceleration and not warming up properly may add to the risk factor . Hamstring muscles are the structures that are often injured. The disorder can be a muscle tear or strain. Hamstring injuries most often occur in sports such as running, football, basketball, etc. Injuries can be mild to severe. In the mild injury, usually only had a small tear in the hamstring so just having a feeling like pressure on the back of the thigh. In the severe injury, occurs when the hamstring muscles is lost and even apart from the parts that will cause great pain to not be able to walk. A tear in the Hamstring muscle is referred to as a Hamstring strain by medical professionals and depending on its severity it is classified as a first, second or third grade strain: ·          1 st grade strain is damage to a few muscle fib...

Boomerang Introduction There are two types of boomerang- retuning and non-retuning. The retuning boomerangs were invented by the Australia Aborigines thousands of years ago and unique to Australia. The returning boomerang was used by the Aborigines to catch animal. Because of its wide arc of flight, the returning boomerang was never used in warfare. Non-returning boomerangs for hunting larger prey, such as   kangaroo , were used for small prey as well. These throw sticks fly in a nearly straight path when thrown horizontally and are heavy enough to take down a kangaroo on impact to the legs or knees. For hunting emu, the throw stick is aimed toward the bird's neck, in an attempt to break it. Innovative about boomerang     Today, boomerangs are mostly used as sporting items. There are different types of throwing contests: accuracy of return, Aussie round,   trick catch,   maximum time aloft , fast catch, and endurance. The modern ...

Introduction Scams mean fraud, Scam is when tricks people into doing something, making the people think they are getting something in return, when they’re getting nothing and will probably be a lot worse off afterwards. Scams itself is generally a illegal actions committed by The people from within or outside the organization, with a view for personal gain or group that directly harm others. There are many kinds of scam on internet. Nature and Psychology of Scams I found discovery Donald R. Caressey that explains about why people commit scams, which was developed in 1950. According Caressey, there are three elements are present in every scams: motivation, opportunity, and rationalization. Ø   Motivation In these elements Caressey said that, a person feels depressed or feel the need to commit fraud. May be forced by their financial or addicted to gambling or drugs Ø   Opportunity When there is an opportunity, fraudsters will look for opportunities ...