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LW10 is a para-Alpine and para-Nordic sit-skiing classification for skiers who cannot sit up without support. For international skiing competitions, classification is conducted by International Paralympic Committee (IPC) Alpine Skiing and IPC Nordic Skiing, while national federations such as Alpine Canada handle classification for domestic competitions. In para-Alpine skiing, the skier uses a mono-ski, which is required to have breaks on both sides of the ski. The para-Nordic sit-ski configuration has two skis. Skiers in this class use outrigger skis for balance, as leverage to right themselves when they fall, and for turning. A factoring system is used in the sport to allow different classes to compete against each other when there are too few individual competitors in one class in a competition. Factoring for the 2011/2012 alpine ski season was done based on subclass, with LW10.1 factoring being 0.7234 for Slalom, 0.7794 for Giant Slalom, 0.7942 for Super-G and 0.8004 for Downhill, and LW10.2 factoring being 0.7399 for Slalom, 0.8152 for Giant Slalom, 0.8069 for Super-G and 0.8183 for downhill. The percentage for the para-Nordic 2012/2013 ski season was 86% and for LW10.5 was 91%. LW10 skiers have been eligible to compete at the 2002 Winter Paralympics, 2005 IPC Nordic Skiing World Championships and 2009 Alpine World Championships. ==Definition== LW10 is a para-Alpine and para-Nordic sit-skiing classification,〔 where LW stands for Locomotor Winter.〔〔 LW10 skiers cannot sit up without support, which includes people with cerebral palsy in all their limbs.〔 Competitors in this class lack "buttock sensibility".〔 The International Paralympic Committee (IPC) defined this para-Alpine classification as "a. Disabilities in the lower limbs, no functional sitting balance. b. CP with disabilities in all four limbs (functional classification)."〔 In 2002, the Australian Paralympic Committee defined this classification for para-Alpine as a sit skiing classification for "Athletes with disabilities in the lower limbs and no sitting balance (i.e. Cannot sit upright without support)."〔 In para-Nordic skiing, the IPC defines this class as for "those with impairments in the lower limb(s) and the trunk."〔 Cross Country Canada defines this para-Nordic classification as "Impairment in the lower limbs and trunk with minimal trunk muscle activity in flexion and extension and no functional sitting balance. () athlete is unable to stand."〔 A skier in this class "will have minimal trunk muscle activity in flexion and extension so that the athlete is unable to maintain a sitting position against gravity while properly strapped to the test table and without arm support".〔 For international para-Alpine skiing competitions, classification is done through IPC Alpine Skiing. A national federation such as Alpine Canada handles classification for domestic competitions.〔 For para-Nordic skiing events, classification is handled by IPC Nordic Skiing Technical Committee on the international level and by the national sports federation such as Cross-Country Canada on a country by country level.〔〔 A skier must meet a minimum of one of several conditions to be eligible for a sit-skiing classification. These conditions include a single below knee but above ankle amputation, monoplegia that exhibits similar to below knee amputation, legs of different length where there is at least a difference, and combined muscle strength in the lower extremities less than 71.〔 Assessment for this classification includes consideration of the skier's medical history and disability, a physical examination, and an in-person assessment of the skier training or competing.〔 During the assessment process, six different tests are conducted that look at the skier's balance on different planes, and test for upper body strength and levels of mobility. The guideline scores for people to be assessed in this classification are 0—8.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「LW10」の詳細全文を読む スポンサード リンク
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