According to the Costill et al. data discussed in class, improvements in short burst activities (e.g., <60 seconds) following intense sprint training appear to be primarily the result of:
a. Improvements in CrP enzyme aactivities
b. Improvements in glycolytic metabolic activity
c. Incre...
According to the Costill et al. data discussed in class, improvements in short burst activities (e.g., <60
seconds) following intense sprint training appear to be primarily the result of:
a. Improvements in CrP enzyme aactivities
b. Improvements in glycolytic metabolic activity
c. Increased glycogen storage
d. Improvements in muscle strength correct answersd. improvements in muscle strength
Lactate is found in the blood:
a. Only when the cell is relying primarily upon fast glycolysis for energy production
b. Only when CrP metabolism is being used primarily for energy production
c. In some amount, no matter which energy system is primarily activated
d. Always during exercise, but never at rest correct answersc. in some amount, no matter which energy
system is primarily activated
After training for a marathon for 6 months using the FITT-R principle, which of the following physiological
parameters would be significantly increased in the skeletal muscles of the legs?
a. Mitochondrial amount
, b. CK enzyme activity
c. Citrate synthase activity (Krebs' Cycle enzyme)
d. All of the above
e. Only A and C are correct correct answerse. only A and C are correct
Which of the following statements is true regarding the crossover phenomenon?
a. A graphical description of the relative changes in energy utilization during exercise
b. Describes the shift in carbohydrates and ketone utilization during exercise
c. Stipulates that as exercise intensity increases, the reliance upon protein metabolism increases
d. Absolute carbohydrate metabolism decreases upon transition from rest towards maximal exercise
correct answersa. a graphical description of the relative changes in energy utilization during exercise
Which of the following would contribute to "glycogen sparing" during prolonged exercise?
a. Glucose ingestion during the endurance event
b. Cori cycle
c. An increase in the number of mitochondria in muscle
d. All of the above
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