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Published byLucy Tray Modified over 10 years ago
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Other physiological tests
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Factors That Contribute to Physical Performance
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What the Athlete Gains From Physiological Testing Information regarding strengths and weaknesses – Can serve as baseline data to plan training programs Feedback regarding effectiveness of training program Understanding about the physiology of exercise
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Effective Physiological Testing Relevant to the sport Valid and reliable Sport-specific Repeated at regular intervals Carefully controlled procedures Interpreted to the coach and athlete
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Maximal Run Tests Measure how far a person can run in a set time or how fast they can run a set distance – Cooper’s 12-minute run and 1.5 mile run – AAPHERD’s 1-mile run/walk VO 2max estimates based on the linear relationship between running speed and oxygen cost of running
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Canadian Home Fitness Test Uses 8-inch steps to evaluate cardiorespiratory fitness Measure HR after 3 minutes of stepping – Stop if it exceeds maximum allowable HR based on age – Continue for another 3 minutes if it is below maximum allowable HR – Fitness level is based on post-exercise HR
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Estimation of VO 2max From a Submaximal Treadmill Test
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The Y’s Way to Physical Fitness Cycle Ergometer Protocol
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Predicting VO 2max From Submaximal Step Test
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The Yo-Yo Intermittent Recovery Test The Yo-Yo IR level 1 (Yo-Yo IR1) test focuses on the capacity to carry out intermittent exercise leading to a maximal activation of the aerobic system Yo-Yo IR level 2 (Yo-Yo IR2) determines an individual’s ability to recover from repeated exercise with a high contribution from the anaerobic system more sensitive measure of changes in performance than maximum oxygen uptake Widely used, valid, reliable
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Protocols for Yo-yo IR1 and IR2 Bangsbo et al, Sports Med, 2008
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Physiological responses in Yo-yo test
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Reproducibility of Yo-yo test
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Relationship between performance and Yo-Yo test
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Use Yo-yo test to monitor seasonal changes
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Yo-yo test vs Maximal VO2
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Laboratory Tests to Predict Endurance Performance Lactate threshold – Exercise intensity at which blood lactic acid begins to systematically increase – Blood samples taken during incremental exercise Critical power – Speed at which running speed/time curve reaches plateau – An important parameter for aerobic function Peak running velocity – Highest speed that can be maintained for >5 seconds
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Test to measure critical power Several all-out running/cycling exercise at different power (W) – Time consuming, effort consuming 3-min all-out cycling exercise – Subjects need to be highly motivated and fully familiarized with the test protocol – During the test, pacing is prevented by absence of any time-based feedback, and the subject is strongly encouraged to maximize power output, at all times. – no decremental trend at any point during the test and attains >95% VO2max
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Critical Power
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Predicting Performance From Peak Running Velocity
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Critical power and training intensity Jones et al, MSSE 2010
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Critical power and VO2max/lactate Jones et al, MSSE 2010
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Critical power and PCr Jones et al, MSSE 2010
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Measure critical power in 3-min all-out exercise Jones et al, MSSE 2010
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Tests to Determine Running Economy Measurement of the oxygen cost of running at various speeds – Greater running economy reflected in lower oxygen cost Higher economy means that less energy is expended to maintain a given speed
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Running Economy
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Estimating 10,000m Running Time Using LT and Running Economy VO 2 at LT – 40 mlkg -1 min -1 VO 2 of 40 mlkg -1 min -1 – equals running speed of 205 mmin -1 Estimated 10,000m running time 10,000m 205 mmin -1 = 48.78 min
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Running Economy and LT Results From Incremental Exercise Test
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Energy System Contribution to Maximal Exercise
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Determination of Maximal Anaerobic Power Ultra short-term tests Tests ATP-PC system Examples – Margaria power test Stair running – Jumping power tests CMJ, squat jump – Running power tests Series of 40-yard dashes – Cycling power tests 10 s Wingate test Short-term tests Tests anaerobic glycolysis Examples – Cycling tests 30 s Wingate test – Running tests – Sport-specific tests
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The Margaria Power Test
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Series of 40-yard Dashes to Test Anaerobic Power
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