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Cross Country Running Shoe
Cross country running shoes are made for cross country running, a form of long distance running. Season-specific trainers are available for different types of training. Cross Country running Cross Country races vary in length and terrain. They are most often run at 5K, 6000 meters, 8000 meters, 10K, and 12,000 meters, though many races for children are shorter. During training season, professional runners can run anywhere from 40 to 120 miles each week, depending on preference, training method, and ability to remain healthy. While the impacts of differences among types of footwear may be minimal on a single run, the cumulative effect on performance and health can provide a competitive edge. Races are held on surfaces including gravel, grass, dirt or mud, sand, and asphalt (though racing on asphalt is not normally recommended). Shoe types When training, trainers with support and cushioning are recommended as unsupportive, shoes without cushion can potentially cause repetit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cross Country Running
Cross country running is a sport in which teams and individuals run a race on open-air courses over natural terrain such as dirt or grass. The course, typically long, may include surfaces of grass and earth, pass through woodlands and open country, and include hills, flat ground and sometimes gravel road and minor obstacles. It is both an individual and a team sport; runners are judged on individual times and teams by a points-scoring method. Both men and women of all ages compete in cross country, which usually takes place during autumn and winter, and can include weather conditions of rain, sleet, snow or hail, and a wide range of temperatures. Cross country running is one of the disciplines under the umbrella sport of athletics and is a natural-terrain version of long-distance track and road running. Although open-air running competitions are prehistoric, the rules and traditions of cross country racing emerged in Britain. The English championship became the first n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Long Distance Running
Long-distance running, or endurance running, is a form of continuous running over distances of at least . Physiologically, it is largely aerobic in nature and requires stamina as well as mental strength. Within endurance running comes two different types of respiration. The more prominent side that runners experience more frequently is aerobic respiration. This occurs when oxygen is present, and the body is able to utilize oxygen to help generate energy and muscle activity. On the other side, anaerobic respiration occurs when the body is deprived of oxygen, and this is common towards the final stretch of races when there is a drive to speed up to a greater intensity. Overall, both types of respiration are used by endurance runners quite often, but are very different from each other. Among mammals, humans are well adapted for running significant distances, and particularly so among primates. The capacity for endurance running is also found in migratory ungulates and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
5000 Meters
The 5000 metres or 5000-metre run is a common long-distance running event in track and field, approximately equivalent to or . It is one of the track events in the Olympic Games and the World Championships in Athletics, run over laps of a standard track. The same distance in road running is called a 5K run; referring to the distance in metres rather than kilometres serves to disambiguate the two events. The 5000 m has been present on the Olympic programme since 1912 for men and since 1996 for women. Prior to 1996, women had competed in an Olympic 3000 metres race since 1984. The 5000 m has been held at each of the World Championships in Athletics in men's competition and since 1995 in women's. The event is almost the same length as the dolichos race held at the Ancient Olympic Games, introduced in 720 BCE. World Athletics keeps official records for both outdoor and indoor 5000-metre track events. 3 miles The 5000 metres is the (slightly longer) approximate m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
10,000 Meters
The 10,000 metres or the 10,000-metre run is a common long-distance track running event. The event is part of the athletics programme at the Olympic Games and the World Athletics Championships, and is common at championship level events. The race consists of 25 laps around an Olympic-sized track. It is less commonly held at track and field meetings, due to its duration. The 10,000-metre track race is usually distinguished from its road running counterpart, the 10K run, by its reference to the distance in metres rather than kilometres. The 10,000 metres is the longest standard track event, approximately equivalent to or . Most of those running such races also compete in road races and cross country events. Added to the Olympic programme in 1912, athletes from Finland, nicknamed the " Flying Finns", dominated the event until the late 1940s. In the 1960s, African runners began to come to the fore. In 1988, the women's competition debuted in the Olympic Games. Official reco ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trainers
Sneakers (also called trainers, athletic shoes, tennis shoes, gym shoes, kicks, sport shoes, flats, running shoes, or runners) are shoes primarily designed for sports or other forms of physical exercise, but which are now also widely used for everyday casual wear. Since their popularization by companies such as Converse, Nike and Spalding in the mid 20th century, they have become attire, with variety growing in many global markets exponentially. Like other parts of the global clothing industry, manufacture of shoes is heavily concentrated in Asia with nine in ten shoes produced in that region. Contemporary sneakers are largely made from synthetic materials, and the materials and manufacturing process produce, on average, about of CO2 emissions. Some companies are trying to substitute more sustainable materials in their manufacture. About 90% of shoes end up in landfills at end of life. Names and etymology The shoes have gone by a variety of names, depending on geogr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Repetitive Stress Injuries
A repetitive strain injury (RSI) is an injury to part of the musculoskeletal or nervous system caused by repetitive use, vibrations, compression or long periods in a fixed position. Other common names include repetitive stress disorders, cumulative trauma disorders (CTDs), and overuse syndrome. Signs and symptoms Some examples of symptoms experienced by patients with RSI are aching, pulsing pain, tingling and extremity weakness, initially presenting with intermittent discomfort and then with a higher degree of frequency. Definition Repetitive strain injury (RSI) and associative trauma orders are umbrella terms used to refer to several discrete conditions that can be associated with repetitive tasks, forceful exertions, vibrations, mechanical compression, sustained or awkward positions, or repetitive eccentric contractions. The exact terminology is controversial, but the terms now used by the United States Department of Labor and the National Institute of Occupational Saf ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pebax
Polyether block amide or PEBA is a thermoplastic elastomer (TPE). It is known under the tradename of PEBAX® (Arkema) and VESTAMID® E ( Evonik Industries). It is a block copolymer obtained by polycondensation of a carboxylic acid polyamide ( PA6, PA11, PA12) with an alcohol termination polyether ( Polytetramethylene glycol PTMG), PEG). The general chemical structure is: : H O - ( C O - PA - C O - O - PE - O)n - H PEBA is a high performance thermoplastic elastomer. It is used to replace common elastomers – thermoplastic polyurethanes, polyester elastomers, and silicones - for these characteristics: lower density among TPE, superior mechanical and dynamic properties (flexibility, impact resistance, energy return, fatigue resistance) and keeping these properties at low temperature (lower than -40 ° C), and good resistance against a wide range of chemicals. It is sensitive to UV degradation, however. Applications PEBA is found in the sports equipment market: for d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Track Spikes
Track spikes, or just spikes, are a type of footwear featuring protruding spikes on the soles used by athletes when racing on the track. Some spikes are designed for longer-term training on tracks, but generally the shoes are used for racing. The term "spikes" can also refer to track shoes featuring such protrusions, though these are technically called pins. Spikes are similar to studs, which are used for team sports, although generally smaller and with a sharp point. History Track spikes had become popular in England by the 1860s, but the concept of spikes in shoes to give running traction has been around much longer. As written in the 1852 publication of ''Calmet's Dictionary of the Holy Bible'' regarding military arms at the time of Paul the Apostle (c. 5 – c. 67): For pioneering the use of spikes, J.W. Foster and Sons's revolutionary running pumps appear in the book, ''Golden Kicks: The Shoes that changed Sport''. The company began distributing shoes across the United ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Water-proof
Waterproofing is the process of making an object or structure waterproof or water-resistant so that it remains relatively unaffected by water or resisting the ingress of water under specified conditions. Such items may be used in wet environments or underwater to specified depths. ''Water-resistant'' and ''waterproof'' often refer to resistance to penetration of water in its liquid state and possibly under pressure, whereas '' damp proof'' refers to resistance to humidity or dampness. Permeation of water vapour through a material or structure is reported as a moisture vapor transmission rate (MVTR). The hulls of boats and ships were once waterproofed by applying tar or pitch. Modern items may be waterproofed by applying water-repellent coatings or by sealing seams with gaskets or o-rings. Waterproofing is used in reference to building structures (such as basements, decks, or wet areas), watercraft, canvas, clothing ( raincoats or waders), electronic devices and paper pa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shoes
A shoe is an item of footwear intended to protect and comfort the Foot, human foot. They are often worn with a sock. Shoes are also used as an item of decoration and fashion. The design of shoes has varied enormously through time and from culture to culture, with form originally being tied to function. Though the human foot can adapt to varied terrains and climate conditions, it is still vulnerable to environmental hazards such as sharp rocks and temperature extremes, which shoes protect against. Some shoes are worn as safety equipment, such as steel-toe boots which are required footwear at industrial worksites. Additionally, fashion has often dictated many design elements, such as whether shoes have very high heels or flat ones. Contemporary footwear varies widely in style, complexity and cost. Basic sandals may consist of only a thin sole (shoe), sole and simple strap and be sold for a low cost. High fashion shoes made by famous Fashion design, designers may be made of expens ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Athletic Shoes
Sneakers (also called trainers, athletic shoes, tennis shoes, gym shoes, kicks, sport shoes, flats, running shoes, or runners) are shoes primarily designed for sports or other forms of physical exercise, but which are now also widely used for everyday casual wear. Since their popularization by companies such as Converse, Nike and Spalding in the mid 20th century, they have become attire, with variety growing in many global markets exponentially. Like other parts of the global clothing industry, manufacture of shoes is heavily concentrated in Asia with nine in ten shoes produced in that region. Contemporary sneakers are largely made from synthetic materials, and the materials and manufacturing process produce, on average, about of CO2 emissions. Some companies are trying to substitute more sustainable materials in their manufacture. About 90% of shoes end up in landfills at end of life. Names and etymology The shoes have gone by a variety of names, depending on geogr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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