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Published byAllen McBride Modified over 9 years ago
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Training for Performance
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Training Principles Overload –Increased capacity in response to training overload Specificity –Specific muscle involved –Energy systems that provide ATP Reversibility –When training is stopped, the training effect is quickly lost
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Influence of Gender, Initial Fitness Level, and Genetics Men and women respond similarly to training programs Training improvement is always greater in individuals with lower initial fitness Genetics plays an important role in how an individual responds to training
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Components of a Workout Session Warm-up –Increases cardiac output, blood flow to skeletal muscle, and muscle temperature –Believed to reduce risk of injury Workout Cool-down –Return blood “pooled” in muscles to central circulation
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Training to Improve Aerobic Power Three methods –Interval training –Long, slow distance –High-intensity, continuous exercise Intensity appears to be the most important factor in improving VO 2max
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Interval Training Repeated exercise bouts –Separated by rest periods Work interval –Intensity: 85-100% HR max –Should last longer than 60 seconds to improve VO 2max Rest interval –Light activity such as walking –Should be as long as the work interval
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Long, Slow Distance Low-intensity exercise –57% VO 2max or 70% HR max Duration greater than would be expected in competition Based on the idea that training improvements are based on volume of training
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High-Intensity, Continuous Exercise Appears to be the best method of increasing VO 2max and lactate threshold High-intensity exercise –80-90% HR max –At or slightly above lactate threshold Duration of 25-50 min –Depending on individual fitness level
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Training Intensity and Improvement in VO 2max
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Injuries in Endurance Training Most injuries are a result of overtraining –Short-term, high-intensity exercise –Prolonged, low-intensity exercise The “ten percent rule” for safely increasing training load –Intensity or duration should not be increased by more than 10% per week
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Training for Improved Anaerobic Power ATP-PC system –Short (5-10 seconds), high-intensity work intervals –30-60 second rest intervals Glycolytic system –Short (20-60 seconds), high-intensity work intervals
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Training to Improve Muscular Strength Strength-training exercises –Isometric or static –Dynamic or isotonic Includes variable resistance exercise –Isokinetic Increase in muscle size –Due to hypertrophy ( fiber diameter) –Due to hyperplasia? ( fiber number)
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Progressive Resistance Exercise Improvements in strength via progressive overload –Periodically increasing resistance (weight lifted) to continue to overload the muscle Basis for most weight-training programs
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Principles of Strength Training Muscles must be exercised near peak tension for increases in strength There is no “optimum” training program –3-4 days per week with rest days in between is recommended Strength training should involve the same muscles as competition –Movement pattern, speed of shortening
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Free Weights vs. Machines Strength gains are similar following training using free weights and machines Argument for free weights: –Data exist showing that free weights produce greater strength gains –Free weights produce greater movement variability and specificity –Free weights force control of balance and stabilization
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Combining Strength and Endurance Training Combined strength and endurance training may result in lower gains in strength than strength training alone Recommended that strength and endurance training be performed on alternate days for optimal strength gains
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Gender Differences in Response to Strength Training Untrained males have greater absolute strength than untrained females –Strength related to cross-sectional area of muscle There does not appear to be a gender differences in response to strength training
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Strength as a Function of Muscle Cross-Sectional Area
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Training-Induced Strength Changes in Men and Women
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Muscle Soreness Delayed onset muscle soreness (DOMS) –Appears 24-48 hours after strenuous exercise –Due to microscopic tears in muscle fibers resulting in inflammatory response
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Training for Improved Flexibility Static stretching –Continuously holding a stretch position –Preferred technique Less chance of injury or soreness Less muscle spindle activity –Proprioceptive neuromuscular facilitation (PNF) Isometric contraction of muscle being stretched Dynamic stretching –Ballistic stretching movements
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Year-Round Conditioning for Athletes Off-season conditioning –Prevent excessive weight (fat) gain –Maintain muscular strength or endurance –Maintain bone and ligament strength –Maintain skill level Preseason conditioning –Increase to maximum the energy systems used in particular sport In-season conditioning –Maintenance of fitness level
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Year-Round Conditioning for Athletes
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Common Training Mistakes Overtraining Undertraining Performing non-specific exercises Failure to schedule a long-term training plan Failure to taper before a performance
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Symptoms of Overtraining
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Tapering Short-term reduction in training load prior to competition Allows muscles to resynthesize glycogen and heal from training-induced damage Improves performance in both strength and endurance events
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