with verified answers
Adaptations of heart from Chronic-long term CV Exercise Training
Ans✓✓✓ Decreased: RHR(increased parasympathetic stimulation), BP
Increased: CO, EF, SV, VO2, plasma volume and hemoglobin, left
ventricular wall thickness
Aerobic Ans✓✓✓ benefits occur when circulation and respiration can
supply oxygen to the muscle, burns fat, increases endurances, improves
cardiac efficiency
Aerobic endurance Ans✓✓✓ Cardio-respiratory vs cardiovascular
HR tells us level of fitness and intensity of exercise
THR is determined lower for first 4-6 weeks
upper limit is intermediate and advanced
amount of protein needed Ans✓✓✓ athletes need only 15-20% protein
in diet, Xbody weight by .8
excess protein can lead to dehydration
provides <5% energy during X
Anaerobic Ans✓✓✓ benefits occur when circulation & respiratory
system can't supply Oxygen to the muscles, strength, metabolism,
improve physique
, anaerobic glycolysis Ans✓✓✓ short term source of ATP
-glycolysis supplies ATP at high rate-net gain of 2-3 ATP
-produces lactic acid if no O2
-intensity:hard work
-duration: biggest energy producer from 30secs to 3 mins
-fuels-carbs, muscle glycogen, blood glucose
-200 m dash
Back Safety Ans✓✓✓ correct: weeks abs and tight hip flexors
use bent knees for situps/crunches, reduced stress on lumbar
lifting: keep close to body, legs to lift not back, work all muscles evenly
to prevent imbalance
avoid overarching, rounding
don't lock knees-increases spinal pressure
keep your shoulders square
Ballistic Ans✓✓✓ bouncing or jerking
does not work
may cause injury
Benefits of Exercise Ans✓✓✓ increased longevity, strengthens bones,
improves mood, fights depression, reduces stress, daily functions, better
sleep, increased flexibility, reduces risk of CVD, reduces risk of cancer,