1. what is the advantage of timing over a shorter period of time, especially when you have just finishes excersising?

2. according to statistics, the maximum heart rate should be 220 minus a persons age. how would you highest heart rate in relation to that give number?

1

Answers

2016-07-17T11:48:02+08:00
Im only 12 so if i subtract it to 220 its answer will be 212
0