Before starting a cardiorespiratory exercise program, which medical tests might you consider receiving from your doctor?

How can a person  best  reduce the risk of injuries on the road?  

Victoria enjoys laughing with her friends as they walk around the track after school which best describes her heart rate during this activity

Does the weight loss program have practical significance? a. no, the program is not practically significant because the results are likely to occur even if the weight loss program has no effect. b. yes, the program is practically significant because the results are too unlikely to occur by chance. c. yes, the program is practically significant because the amount of lost weight is large enough to be considered practically significant. d. no, the program is not practically significant because the amount of weight lost is trivial.