Winter Run
by Geri Glavis
Title
Winter Run
Artist
Geri Glavis
Medium
Photograph - Photography
Description
Photography by Geri Glavis. Copyright 2015.
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[1]). 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.[2] A characteristic 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.[3] The term running can refer to any of a variety of speeds ranging from jogging to sprinting.
It is assumed that the ancestors of mankind developed the ability to run for long distances about 2.6 million years ago, probably in order to hunt animals.[4] Competitive running grew out of religious festivals in various areas. Records of competitive racing date back to the Tailteann Games in Ireland in 1829 BCE,[5] while the first recorded Olympic Games took place in 776 BCE. Running has been described as the world's most accessible sport.[6]
While there exists potential for injury while running (just as there is in any sport), there are many benefits. Some of these benefits include potential weight loss, improved cardiovascular and respiratory health (reducing the risk of cardiovascular and respiratory diseases), improved cardiovascular fitness, reduced total blood cholesterol, strengthening of bones (and potentially increased bone density), possible strengthening of the immune system and an improved self-esteem and emotional state.[57] Running, like all forms of regular exercise, can effectively slow[58] or reverse[59] the effects of aging.
Running can assist people in losing weight, staying in shape and improving body composition. Running increases your metabolism. Different speeds and distances are appropriate for different individual health and fitness levels. For new runners, it takes time to get into shape. The key is consistency and a slow increase in speed and distance. While running, it is best to pay attention to how one's body feels. If a runner is gasping for breath or feels exhausted while running, it may be beneficial to slow down or try a shorter distance for a few weeks. If a runner feels that the pace or distance is no longer challenging, then the runner may want to speed up or run farther.[citation needed]
Running can also have psychological benefits, as many participants in the sport report feeling an elated, euphoric state, often referred to as a "runner's high".[60] Running is frequently recommended as therapy for people with clinical depression and people coping with addiction.[61] A possible benefit may be the enjoyment of nature and scenery, which also improves psychological well-being[62] (see Ecopsychology#Practical benefits).
In animal models, running has been shown to increase the number of newly born neurons within the brain.[63] This finding could have significant implications in aging as well as learning and memory.
Uploaded
May 10th, 2015
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