What is the correct definition of frequency?

a.
with regard to physical fitness, the number of days you work out each week.

b.
the number of heartbeats per minute that you should aim for during moderate to vigorous activity to benefit your circulatory system the most.

c.
the number of exercises you do to prepare your muscles for moderate to vigorous activity.

d.
with reference to physical fitness, how much energy you use when you work out.

In a study of a weight loss program, 40 subjects lost a mean of 3.0 lb after 12 months. does the weight loss program have practical significance? a. yes, because the weight loss program worked and the subjects lost a mean of 3.0 lb. b. no, because the mean weight loss of 3.0 lb after one year does not seem to justify the program. c. no, because the sample of 40 subjects was too small to determine if the program was useful. d. yes, because the mean weight loss of 3.0 lb after one year does seems to justify the program.

Which of the following statements is true?

When making a bed you are using good body mechanics when you