By Heikki Rusko
The Handbooks of activities medication and technology current easy scientific and clinical info in a transparent kind and layout as concerning particular activities occasions drawn from the Olympic summer time and wintry weather video games. every one guide is written by means of a small group of experts co-ordinated by means of an editor who's across the world revered and acknowledged within the specific recreation job.
Each quantity provides up to date details at the uncomplicated biology of the game, conditioning ideas, nutrients, and the clinical facets of damage prevention, remedy, and rehabilitation.
This instruction manual will represent the main entire and authoritative resource of knowledge in life as regards the clinical and scientific features of go kingdom snowboarding: body structure, nutrients, biomechanics, damage prevention, remedy and care of scientific difficulties, and conditioning for competition.
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Additional info for Cross Country Skiing: Olympic Handbook of Sports Medicine
In contrast, the skating techniques involve considerable side-to-side motion as well as in the other dimensions. To measure the threedimensional force components during skating requires knowing the direction of the reaction forces in spaceaa much more difficult determination than for the two-dimensional forces of diagonal stride. 8 illustrates this for the pole reaction force resolved into propulsive, vertical and side-to-side CCSC02 26/07/2002 12:00 PM Page 37 BIOMECHANICS 37 direction are crucial for a skier to generate and the negative components caused by drag are equally crucial to minimize.
Fast force production is especially important during diagonal skiing and during double poling at high velocity because the time to apply the force is very short. Interestingly, cross country skiers are able to produce force almost at the same high velocity as ski jumpers (Fig. 18). Arm and upper body muscle strength of cross country skiers is higher than that of untrained persons and upper body strength has been shown to correlate with double poling performance. Muscular endurance of cross country skiers is also much better than that of untrained persons.
Numerous optimization decisions take place during the course of a race, but probably the most observable choices have to do with technique. 19). These techniques are not interchangeably used. Diagonal stride is mainly a slower conditions technique usually used in climbing and double poling is typically used under fast conditions: moderate downhills and fast flat terrain. Kick double pole is used somewhere in between: moderate conditions on flat or gently uphill. Skiers smoothly transition from one technique to another as terrain and snow dictate.
Cross Country Skiing: Olympic Handbook of Sports Medicine by Heikki Rusko