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The modern sprinting events have their roots in races of imperial measurements which were later altered to metric: the 100 m evolved from the 100-yard dash, [7] the 200 m distance came from the furlong (or 1 ⁄ 8 mile), [8] and the 400 m was the successor to the 440-yard dash or quarter-mile race.
In vertebrates, the circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the body. [1] [2] It includes the cardiovascular system, or vascular system, that consists of the heart and blood vessels (from Greek kardia meaning heart, and Latin vascula meaning vessels).
Middle-distance running is unique in that it typically requires attributes found in both sprinters and long-distance runners, including combinations of both footspeed and aerobic endurance. Middle-distance racing is commonly reported to be a highly intense physical experience, requiring large amounts of anaerobic exertion from the body.
The average cardiac output, using an average stroke volume of about 70mL, is 5.25 L/min, with a normal range of 4.0–8.0 L/min. [8] The stroke volume is normally measured using an echocardiogram and can be influenced by the size of the heart, physical and mental condition of the individual, sex, contractility, duration of contraction, preload ...
Swimmers perform squats prior to entering the pool in a U.S. military base, 2011 Steven Gerrard warming up prior to a football match in 2010.. A warm-up generally consists of a gradual increase in intensity in physical activity (a "pulse raiser"), joint mobility exercise, and stretching, followed by the activity.
Aquajogging is a cross-training and rehabilitation method using low impact resistance training.It is a way to train without impacting joints. [1] Participants wear a flotation device and move in a running motion in the deep end of a pool.