Vo2 Max. Maximum oxygen uptake (Engine Size – how big is the engine?) This is the ability of the circulatory system to transport oxygen and of the muscular system to extract and use oxygen. Vo2 max is an excellent indicator of aerobic fitness, but a poor predictor of performance within a homogenous group of athletes.
Lactate Threshold. (RPM’s – how high can you race the engine?) Lactate threshold (LT) is the ability to continue using the aerobic system to replenish ATP at high speeds. It is expressed as power output at LT, velocity of LT or percentage of Vo2 max. LT is one of the best predictors of endurance performance.
Economy. (MPG – how many miles per gallon does your engine get?) Economy can be defined as the amount of oxygen that it takes for an individual athlete to go a given speed. More economical athletes will have a lower oxygen cost at a given pace relative to a less economical athlete. This can explain why an athlete with a lower VO2 max can still outperform an athlete with a higher VO2 max. Economy is one of the best predictors of endurance performance.
Strength. Strength is defined as the maximum force that can be produced in one all out effort. Muscular endurance is related to being able to maintain a submaximal force repeatedly.
Source: SkiPost
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- Skier Self Analysis
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