CHAPTER 1: Physiology
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| What is the body Fat Percentage of a fit man? | show 🗑
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| What is the minimum duration and frequency of exercise sessions? | show 🗑
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| show | 21-24%
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| How many Calories must be burned to loose 1 pound? | show 🗑
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| show | 50-80%
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| show | 60-90%
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| show | 85%
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| show | A nervous impulse from the central nervouse system
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| What is actin and myosin? | show 🗑
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| What is aerobic? | show 🗑
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| show | when a skeletal muscle is stimulated to contract it does so with maximaum force; cant grade contractile force like cardiac muscles can
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| WHat is Anaerobic | show 🗑
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| show | it is the point during high intensity exercise when the body can no longer meet its oxygen needs and switches to anaerobic metabolism; 50-80% maximum effort.
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| show | Adenosine Triphosphate; the body's energy source produce from fat, carbs (glucose) and some protein
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| show | THe heart spends more time in relaxation phase/diastole -- at rest or druing exercise
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| what are the benefits of aerobic exercise? | show 🗑
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| What is caffeine and its effects? | show 🗑
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| what is cardiac output? | show 🗑
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| What are Cardiac, Smooth, & SKeletal? | show 🗑
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| What are the causes of muscular fatique | show 🗑
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| show | the ventricles hold more blood -the resting HR decreases-strove volume at rest increases--same cardiac output can be maintained at lower HR- increased mitichondrial density
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| show | more capillaries; more mitochondria & More activity of mitochondrial enzymes
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| show | Golgi Tendon ORgans serve as a protective mechanism against excessive
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| show | a 2ndary source anaerobic ATP(to glycogen); high energy phosphate molecule store in cells;used to resynthesize ATP immediately; system of energy transfer for resynthesis of ATP; system of energy transfer for resynthesis of ATP w/o oxygen via breakdown of
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| show | 1. Sytolic bp increase 2. diastolic bp no change or it decreases 3. blood flow to abdomen decreases (goes to the limbs) 4. periphia resistance in vasculary system decreases 5. ATP production increases
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| Whare are delayed onset muscle sorness? | show 🗑
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| what is Diastole | show 🗑
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| what is ejection fraction? | show 🗑
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| what are factors limiting flexibilty? | show 🗑
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| show | family history of heart disease, 200+ Cholesterol, cigarette smoking
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| show | fast speed of contraction & high capacity for anerobic glycolysis (e.g. sprinter, power lifter)
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| Formula to calculate VO2 Max? | show 🗑
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| show | Frequence Intensity Type and TIME
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| Glucose and Fatty acids are... | show 🗑
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| what is Glycogen? | show 🗑
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| show | tendon organ/part of the nervouse system protecting the muscle from too much contractile fource; causes muscles to Relax?
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| show | They have a higher aerobic apacity than fast twitch fibers
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| hemoglobin? | show 🗑
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| show | lactic acid build up
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| what is the primary limiting factor to no longer be able to aerobically produce ATP? | show 🗑
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| What are the physiological effects of high altitude? | show 🗑
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| show | decreased bloodflow to the heart leading to insufficient oxygen to the hart and chest pain or angina
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| isokenetic? | show 🗑
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| isometric? | show 🗑
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| isometric training? | show 🗑
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| isotonic? | show 🗑
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| show | a byproduct of anaerobic ATP production
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| show | Max Heart Rate/resting Heart rate too high
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| MET | show 🗑
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| MItochondria | show 🗑
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| Muscle Pump | show 🗑
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| show | fibers in the muscle tissue protecting against too much stretching; causes to muscle to contract
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| primary limitation of producing ATP in the phosphagen system | show 🗑
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| myofibrils? | show 🗑
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| optimum exercise intensity for fitness improvement? | show 🗑
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| show | cardio endurance, muscular strength, Flexbility & Maintain ideal body weight?
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| what has the greatest influence on exercise performance? | show 🗑
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| PHosphagens? | show 🗑
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| show | at 50-80% of maximal effort
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| what are the ACOG guidelines for pregnant women 2 & 3 trimesters | show 🗑
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| show | 1. resting HR decreases 2. stroke volume at rest decreases 3. VO2 max increases 4. Max HR no change (based on age) 5. mitochondrial density in muscle increase 6. aerobic threashold increases 7. HR at submax intensity decreases
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| sacromeres: | show 🗑
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| show | Size of fibers contracting and Number of fibers contracting simultaneously
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| show | 1. CNS sends nerves impulse; 2. Sufficient ATP near actin and myosin protein 3. myosin heads/filaments attach to actin to from cross bridge 4. myosin pulls actin to the center. 5 sacromere shortens/contraction occurs
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| show | slow speed of contraction & high capacity for aerobic glycolysis (e.g. maraton runner)
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| Training rules for Cardiovascular Fitness? | show 🗑
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| show | 60 bpm X 70 ml = 4, 200 ml/min or 1 gallon of blood per min
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| Sequence of blood flow throught the heart? | show 🗑
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| VO2 Max? | show 🗑
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| Was to replenish ATP? | show 🗑
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