Search results
Results From The WOW.Com Content Network
Modern Thoroughbred horse races are seldom longer than 1.5 miles (2.4 km), though in some countries Arabian horses are sometimes raced as far as 2.5 miles (4.0 km). The fastest galloping speed is achieved by the American Quarter Horse , which in a short sprint of a quarter mile (0.25 miles (0.40 km)) or less has been clocked at speeds ...
The main difference between long- and short-distance runners is the length of stride rather than the rate of stride. [ 52 ] [ 53 ] During running, the speed at which the runner moves may be calculated by multiplying the cadence (steps per minute) by the stride length.
The endurance running hypothesis is a series of conjectures which presume humans evolved anatomical and physiological adaptations to run long distances [1] [2] [3] and, more strongly, that "running is the only known behavior that would account for the different body plans in Homo as opposed to apes or australopithecines". [4]
The pioneers of scientific gait analysis were Aristotle in De Motu Animalium (On the Gait of Animals) [2] and much later in 1680, Giovanni Alfonso Borelli also called De Motu Animalium (I et II). In the 1890s, the German anatomist Christian Wilhelm Braune and Otto Fischer published a series of papers on the biomechanics of human gait under ...
Long slow distance (LSD) is a form of aerobic endurance training used in sports including running, [1] rowing, [2] skiing [3] and cycling. [ 4 ] [ 5 ] It is also known as aerobic endurance training, base training and Zone 2 training. [ 6 ]
The front block will be about 1 3 ⁄ 4-2 foot lengths from the starting line. The non-dominant foot will be in the back block. The paddle will be set as high as possible. The back block will be set about 3–3 1 ⁄ 2 foot lengths from the starting line. The front block and back block are only about 1-foot in length apart.
When running at a constant speed, it has been found that stride frequency increases during incline vs. level running with a concomitant decrease in stride length. At a speed of 30 meters/second Gottschall and Kram noted an increase in stride frequency from 1.45±0.06 Hz to 1.51±0.07 Hz at an incline of 9 degrees (15.8%). [ 8 ]
[5] [6] [3] It can be separated by three events into three phases: [1] [2] Toe-off: The toes of reference foot rise above the ground. Flexion of the respective knee and hip is initiated as the foot prepares to swing in air. This event is the beginning of the swing phase of the gait cycle. The body weight is single-supported by the opposite foot.