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HBIO 205 Science of Sport FINAL Exam Guide |Questions with Complete Solution
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HBIO 205 Science of Sport FINAL ExamGuide |Questions with Complete
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Endurance subjects incur smaller O2 deficit - ✔because reach steady state faster
and therefore, recover faster
The larger the workload - ✔the greater the amount of deficit incurred
If incur large deficit at beginning, you won't last in endurance exercise - ✔start endurance
race slow and warm up before to get metabolic rate up and reach steady state faster
Maximal O2 intake is - ✔the best measure of Q
High VO2= - ✔high cardiac output (Q)
High A-V difference means - ✔lungs are able to extract oxygen and saturate blood
In L/min, males are about - ✔o 20% higher (3.5 L/min)
o 16 % when relative (45 ml/kg/min)
o 9% (55 ml/kg FFM/min) when based on FFM
o Because women still have 10% O2 deficit in terms of hemoglobin
ml O2/kg/min most commonly used - ✔most accurate
, College Male: - ✔Average VO2= 40-50 ml/kg, National level VO2= 65-75
College Female: - ✔Average VO2= 31-41 ml/kg, National level VO2= 56-66
steady state and relative intensity (RI) - ✔RI = SS/VO2 max
VO2 max is important because - ✔considered best objective measure of
cardiorespiratory fitness
Relative intensity= - ✔steady state/max, subject A prevails cause lower intensity
o Shows how VO2 max determines intensity level and therefore, results good to have a high
VO2 max if you want to win
VO2 consumption= - ✔indirect calorimetry
Lactic acid builds up in exercise - ✔causing muscle fatigue, slower for trained athletes
Lactate threshold: - ✔the point at which lactate production exceeds lactate removal
Lactic acid increases slowly in exercise - ✔until lactate threshold (percentage of max)
then increases abruptly
Ideally want to have a high/late lactate threshold because - ✔it determines the
maximal intensity at which steady state exercise can be maintained
o Most best/consistent predictor of performance in endurance events
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