In which of the following athletes might you expect limited bone mineral density (BMD)
levels as a consequence of the force vectors and the physical demands associated with
the given sport?
16 year old gymnast with a seven-year training history in her sport
a 23 year old offensive lineman who has lifted weights for eight-years
a 22 year old track cyclist who has a 1RM of 352lbs
a 19 year old 800m freestyle swimmer with one year of dryland training -----CORRECT
ANSWER-------a 19 year old 800m freestyle swimmer with one year of dryland training
A 17 year old high school cross-country runner has been training aerobically for six
months in preparation for the upcoming season. Which of the following adaptations will
occur in the muscles during that time?
increased concentration of glycolytic enzymes
hyperplasia of Type II fibers
transformation from Type I to Type II fibers
hypertrophy of Type 1 fibers -----CORRECT ANSWER-------hypertrophy of Type I fibers
The amount of blood ejected from the left ventricle during each beat is the
cardiac output
a-v O2 difference
heart rate
stroke volume -----CORRECT ANSWER-------stroke volume
Which of the following does NOT normally increase during an aerobic exercise session?
end-diastolic volume
cardiac contractility
cardiac output
diastolic blood pressure -----CORRECT ANSWER-------diastolic blood pressure
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