51.7k views
4 votes
If you can't take your heart rate, a good way to recognize that you're exercising efficiently is whether or not

A. you're experiencing a little bit of huffing and puffing.
B. your muscles are burning.
C. you're gasping for breath.
D. it's difficult to have a conversation.

User Will Munn
by
7.5k points

1 Answer

6 votes
A. You're experiencing a little bit of huffing and puffing. 
User Brice Roncace
by
7.6k points
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