Raymond Stewart (athlete)
Raymond Douglas Stewart (born 18 March 1965 in Kingston, Jamaica) is a former Jamaican Athletics (sport), athlete who specialised in the 100 metres event. As a junior athlete Stewart found much success at the CARIFTA Games, winning five gold medals within a four-year period. In 1984 he reached the 100 m Athletics at the 1984 Summer Olympics, Olympic final and won an Olympic silver medal for the 4×100 metres relay. At the 1987 World Championships in Athletics, 1987 World Championships he took silver in the 100 m and bronze with the Jamaican relay team. A leg injury in the Athletics at the 1988 Summer Olympics - Men's 100 metres, 1988 Olympic final of the 100 m ruined his medal chances in both the individual and relay events. A new personal best of 9.97 seconds at the NCAA Men's Outdoor Track and Field Championship, NCAA Outdoor Championships made him the number one ranked 100 m athlete in 1989 and the first Jamaican to officially break the 10-second bar ...
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Running
Running is a method of terrestrial locomotion allowing humans and other animals to move rapidly on foot. Running is a type of gait characterized by an aerial phase in which all feet are above the ground (though there are exceptions). This is in contrast to walking, where one foot is always in contact with the ground, the legs are kept mostly straight and the center of gravity vaults over the stance leg or legs in an inverted pendulum fashion.Biewener, A. A. 2003. Animal Locomotion. Oxford University Press, US. books.google.com/ref> A feature of a running body from the viewpoint of spring-mass mechanics is that changes in kinetic and potential energy within a stride occur simultaneously, with energy storage accomplished by springy tendons and passive muscle elasticity. The term running can refer to any of a variety of speeds ranging from jogging to Sprint (running), sprinting. Running in humans is associated with improved health and life expectancy. It is assumed that the ance ...
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