Kines 165 Exam 4 Outline
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  • What is the best index/measurement of cardiovascular fitness?

    VO2 max (aerobic power)

    Why is aerobic power (VO2max) an important factor in determining an athlete's ability to sustain high-intensity exercise?

    Aerobic Power is an important factor in determining an athletes ability to sustain high intensity exercise because the Aerobic ATP synthesis rate is a function of the O2 consumption rate.

    Having a greater VO2max is more important for a marathon runner compared to a miler.

    <p>False</p> Signup and view all the answers

    What is the role of oxaloacetate in fatty acid oxidation?

    <p>Oxaloacetate is a molecule that is a key player in the Krebs cycle and is essentially how our bodies burn fat for energy. Fatty acid oxidation in the Krebs cycle is possible ONLY sufficient if Oxaloacetate is available.</p> Signup and view all the answers

    Where does the common, final catabolic pathway occur?

    <p>Mitochondrial matrix</p> Signup and view all the answers

    What are the two biggest determinants of aerobic adaptations and performance increments?

    <p>Intensity and volume of work performed (workload)</p> Signup and view all the answers

    Which method of determining intensity is typically better for developing an optimal, high-performance training program?

    <p>%VO2max</p> Signup and view all the answers

    What is the rationale for using heart rate to determine exercise intensity during an aerobic session?

    <p>, all of the above</p> Signup and view all the answers

    What changes are likely to occur when an individual progresses in their training?

    <p>When an individual progresses in training, resting heart rate will Decrease and the pace to maintain given target training heart rate will Increase</p> Signup and view all the answers

    The relationship between %VO2max assessment and %HRR methods is one-to-one and consistent.

    <p>True</p> Signup and view all the answers

    The relationship between %VO2max assessment and the %Max HR methods is staggered and inconsistent.

    <p>True</p> Signup and view all the answers

    Which variable appears to be a better indicator of aerobic endurance performance than VO2max?

    <p>Lactate threshold.</p> Signup and view all the answers

    Which of these statements accurately describes the primary difference between heart rate based training methods and lactate based training methods of determining intensity?

    <p>A and B</p> Signup and view all the answers

    How should training paces be adjusted if an athlete displaces their lactate threshold to the Right?

    <p>With training, an athlete displaces their lactate threshold to the Right, aerobic energy production can be sustained at a higher %VO2max without accumulating large amounts of Lactic Acid in the muscles and Blood, Therefore Increasing their pace.</p> Signup and view all the answers

    Aerobic training adaptations grow at the same rate when duration and frequency are traded off, so long as intensity remains the same.

    <p>True</p> Signup and view all the answers

    What variable is considered the most important factor in improving both VO2max and lactate threshold?

    <p>Intensity</p> Signup and view all the answers

    Which training method is particularly beneficial for runners looking to achieve a sub 4-minute mile?

    <p>Interval training with WR 1:1</p> Signup and view all the answers

    What is the main characteristic of speed play (fartlek) training?

    <p>Speed play (fartlek) training blends continuous training and interval training. Pace is varied from a jog to a sprint at the athlete's discretion. It often incorporates no systematic manipulation of work or relief intervals.</p> Signup and view all the answers

    What physiological adaptation is targeted by pace/tempo training sessions?

    <p>Pace/tempo training sessions target intensity at or slightly above the Lactate Threshold (LT), and often at or slightly faster than competition pace. It's a common training method for endurance athletes, used by 5K and 10K runners.</p> Signup and view all the answers

    What are the 3 main objectives of pace/tempo runs?

    <p>Pace/Tempo runs are designed to develop a sense of competition pace, enhance the body's ability to sustain that pace, and involve the same pattern of muscle fiber recruitment required for competition.</p> Signup and view all the answers

    What is the 80/20 Rule?

    <p>The 80/20 rule is a training philosophy where 80% of training is low intensity and 20% is high intensity.</p> Signup and view all the answers

    What is the goal of the 80% portion of training in the 80/20 rule?

    <p>The goal of the 80% portion of training in the 80/20 rule is to train the CR system to work more efficiently by working Slow Twitch Fibers.</p> Signup and view all the answers

    What are the benefits of low intensity training?

    <p>The benefits of low intensity training include training the CR system to work more efficiently, strengthening connective tissues, joints and bones without stress, and promoting recovery.</p> Signup and view all the answers

    Can an athlete increase their aerobic performance after they have achieved their genetically determined peak VO2max?

    <p>True</p> Signup and view all the answers

    Which training periodization model exposes an athlete to the highest training load in the third week, following a de-load?

    <p>Traditional Periodization</p> Signup and view all the answers

    Reverse Training Periodization promotes attainment of higher training volume and intensity.

    <p>True</p> Signup and view all the answers

    When is it necessary to change the periodization method or recovery process?

    <p>It is necessary to change the periodization method or recovery process when performance levels off, or when training plateaus.</p> Signup and view all the answers

    What is the primary objective of the tapering process?

    <p>The primary objective of the tapering process is to reduce training volume before competition, giving the body rest while maintaining intensity, so that the athlete can compete at peak performance.</p> Signup and view all the answers

    Which of these are training adaptations that are most notable during the tapering period?

    <p>all of the above</p> Signup and view all the answers

    What are the percentages of tapering strategy (percentage of load that is decreased) recommended for an individual athlete?

    <p>Highly trained athletes should maintain training frequency, while moderately trained individuals should reduce training volume by 41-60%, preferably by a decrease in the duration of each training session.</p> Signup and view all the answers

    Which tapering technique is more effective than a Linear one?

    <p>A and B</p> Signup and view all the answers

    What is the key requirement for cross-training to effectively maintain VO2max?

    <p>Training must be equal in intensity and duration to the athletes primary mode of exercise.</p> Signup and view all the answers

    What types of adaptations induced through cross-training are likely to have the most carry over to the primary training modality?

    <p>CV and Neuro-muscular adaptations induced through cross-training are likely to have the most carry over to the primary training modality.</p> Signup and view all the answers

    What is an ergogenic aid?

    <p>An ergogenic aid is any physical, mechanical, nutritional, psychological, or pharmacological substance used to improve physiological variables and enhance performance.</p> Signup and view all the answers

    What is the Bohr effect?

    <p>The Bohr effect is a decrease in the amount of oxygen associated with hemoglobin and other respiratory compounds in response to a lowered blood pH, resulting from an increased concentration of carbon dioxide in the blood.</p> Signup and view all the answers

    What are the physiological effects of a warm-up?

    <p>A warm-up lowers viscous resistance of muscle, increases ROM economy, and facilitates metabolism and nerve impulse transmission.</p> Signup and view all the answers

    What is allosteric modulation, and how does it cause the hemoglobin molecule to deform?

    <p>Allosteric modulation is a process where a proteins function is altered through the binding of a ligand to a site other than the active site. When CO2 and H+ combine with the glob in part of the hemoglobin, it changes its conformation, reducing the affinity of the O2 binding sites.</p> Signup and view all the answers

    What are the benefits of caffeine on mobilizing free fatty acids for fuel?

    <p>Caffeine can mobilize, deliver, and use free fatty acids for fuel. It is not a direct weight loss effect, although it can be helpful for exercise.</p> Signup and view all the answers

    How can an athlete optimize the potential ergogenic effects of pre-exercise caffeine?

    <p>An athlete should omit caffeine containing foods and beverages for 4-6 days before competition to maximize its potential ergogenic effects.</p> Signup and view all the answers

    What is the role of diuretics in masking other drugs during drug testing?

    <p>Diuretics increase urine production, reduce weight, and can even mask other drugs during drug testing.</p> Signup and view all the answers

    What is overload?

    <p>Overload is a demand placed on the body greater than that to which it is accustomed, where it is 'stressed beyond normal limits'. It can be achieved by increasing weight, reps, sets, and decreasing rest between sets, or by increasing intensity/weight (for strength/power) or volume (sets/reps) for size/bodybuilding.</p> Signup and view all the answers

    What is progression?

    <p>Progression is the change in overload in response to adaptation.</p> Signup and view all the answers

    What is specificity?

    <p>Specificity is a training principle that suggests that the adaptation to training is specific to the type of training performed.</p> Signup and view all the answers

    What is individuality?

    <p>Individuality is a training principle that emphasizes the importance of tailoring training programs to meet the unique needs and capacities of each individual.</p> Signup and view all the answers

    What is periodization?

    <p>Periodization is a training approach that involves a gradual cycling of specificity, intensity, and volume of training over a macrocycle, typically a year or more.</p> Signup and view all the answers

    What is reversibility?

    <p>Reversibility is the loss of training-induced adaptations that occur in response to cessation of training or a substantial decrease in training load.</p> Signup and view all the answers

    What is hypertrophy?

    <p>Hypertrophy is the enlargement in a skeletal muscle's cross-section due to enlargement and replication of myofibrils.</p> Signup and view all the answers

    What is hyperplasia?

    <p>Hyperplasia is an enlargement in a skeletal muscle's cross-section due to enlargement and replication of muscle fibers.</p> Signup and view all the answers

    What is the role of mTOR in regulating protein synthesis and muscle size?

    <p>mTOR is a protein kinase that is the major regulator of protein synthesis and muscle size. Activation of mTOR increases translation of mRNA, which promotes protein synthesis. Aerobic exercise increases AMPK activation, which activates TSC 2, which inhibits mTOR, impairing protein synthesis during aerobic exercise. For this reason, it is important not to perform intensive aerobic and strength training on the same day.</p> Signup and view all the answers

    What is the glycemic index (GI)?

    <p>The glycemic index (GI) refers to the increase in blood glucose and insulin in response to a standard amount of food (50g). GI is measured on a scale from 0 to 100, with a white bread reference value of 100.</p> Signup and view all the answers

    What is carb loading?

    <p>Carb loading is a glycogen storage technique used by athletes competing in continuous aerobic events lasting 90 minutes or more. It can increase glycogen stores 2-3x along with performance.</p> Signup and view all the answers

    What are the two main methods of carb loading?

    <p>Both of the above</p> Signup and view all the answers

    What is the recommended number of reps for promoting muscular endurance?

    <p>12 or more reps</p> Signup and view all the answers

    What is the recommended number of reps for promoting muscular strength?

    <p>2-6 reps.</p> Signup and view all the answers

    What is the recommended number of reps for promoting muscular hypertrophy?

    <p>8-12 reps.</p> Signup and view all the answers

    Study Notes

    Exam 4 Outline - Kines 165

    • Cardiovascular fitness is best measured by VO2 max, maximum oxygen consumption
    • VO2 Max is a quantitative expression of maximal capacity for O2 ATP regeneration
    • Aerobic power (VO2max) is crucial for high-intensity exercise. Aerobic ATP synthesis rate is a function of O2 consumption rate
    • Marathon runners prioritize building power and fast-twitch muscle fibers; marathon pace does not require high aerobic ATP synthesis rates
    • Lactate threshold is important to marathon runners
    • Oxaloacetate is a key player in the Krebs cycle, necessary for fatty acid oxidation for energy production
    • Fatty acid oxidation requires sufficient oxaloacetate within the Krebs cycle
    • Muscle contraction increases Ca++ concentration, which accelerates glycolysis
    • Intensity and workload are the primary determinants of aerobic adaptations and performance enhancements
    • VO2max is a better measurement for maximizing aerobic capacity
    • HR and VO2 are strongly correlated in the range of 120-180 bpm; relationship is direct
    • Heart rate is a one-to-one and consistent ratio with VO2 max assessment
    • Training intensity and total work are key to aerobic training adaptations.
    • Training frequency and duration can be adjusted if intensity and total work remain constant
    • Intensity is the most important factor in improving VO2max and lactate threshold
    • Lactate threshold is a better indicator of aerobic endurance performance than VO2 max
    • Heart rate based training methods are different from lactate based methods
    • Aerobic training adaptations grow similarly when duration and frequency are traded off as long as intensity is kept constant
    • It is typically recommended that exercise frequency, intensity, or duration should not increase more than 10% each week
    • Speed play training blends continuous and interval training with varied paces to add fun and variety
    • Pace/tempo training targets adaptations for performance at or above lactate threshold
    • Main objectives of pace/tempo runs include developing a sense of race pace and enhancing the body's capability for sustaining that pace.
    • The 80/20 training rule emphasizes 80% low intensity training and 20% high-intensity training with the goal of prioritizing efficient CR system training and slow-twitch fiber development.
    • Training adaptations for improved performance that follow training can occur after reaching VO2 max with increasing role of lactate threshold.
    • Training periodization (3:1 cycle) shows that athletes achieve peak training load in their 3rd week, though this could lead to fatigue if athletes aren't ready.
    • Reversed 3:1 periodization, with high load in the 1st week and decreasing throughout, can promote attainment of higher training volume and intensity.
    • Tapering techniques should reduce training volume by 41-60%, preferably by reducing duration of sessions, to heal from training and aid in recovery
    • Training periodization methods can be changed to help with plateauing
    • Cross training can help maintain cardiovascular or neuromuscular adaptations
    • Ergogenic aids are utilized to improve physiological variables
    • Bohr Effect details the relationship of blood pH, oxygen in blood, and carbon dioxide in blood.
    • Warm-ups lower viscous resistance of muscles, increase range of motion and facilitate metabolism/nerve impulse transmission
    • Allosteric modulation alters protein function based on ligand induced shape changes, including the binding sites for CO2 and H+ to hemoglobin.
    • Using caffeine can help mobilize and use free fatty acids for fuel.
    • An athlete should avoid consuming caffeine 4-6 days before competition to get the most out of it's ergogenic effect
    • Diuretics can be used to mask other drugs

    Other Concepts

    • Hierarchy (macro -> meso -> micro cycles) to focus training for specific needs
    • Reversibility: If training stops, then training adaptations will likely be lost
    • Hypertrophy: Muscle growth and enlargement happens via myofibrils
    • Hyperplasia: Increase in muscle fiber, generally more of an enlargement in a muscle section
    • Oxaloacetate: Critical for fatty acid oxidation within the Krebs cycle
    • mTOR : Protein kinase, important regulator of protein synthesis
    • Glycemic Index (GI): Measurement of food's effect on blood glucose levels; can be high, moderate or low
    • Carb Loading: Glycogen storage technique for high endurance athletes lasting over 90 minutes
    • Classical Method: Hard training, protein, 7 days before event; reduced training load with carb intake after these days; 7 day plan
    • Redline Method: Maintains normal diet; decreases training load first 3 days, increases carbs next 3 days, and reduces training even further in 7th day of plan
    • Number of reps associated with improving endurance, strength and hypertrophy are mentioned

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    Description

    This quiz covers key concepts in cardiovascular fitness, particularly focusing on VO2 max and its significance in aerobic power and exercise performance. It also explores the role of lactate threshold, the Krebs cycle, and muscle contractions in energy production. Ideal for students preparing for Kinesiology Exam 4.

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