Old 02-23-19, 04:24 PM
  #10  
fstrnu
Senior Member
 
Join Date: Feb 2003
Location: Lexington, KY
Posts: 389
Mentioned: 5 Post(s)
Tagged: 0 Thread(s)
Quoted: 231 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
Let's play a game. Who said the following?

An indicator of improving fitness is that the speed or power of your intervals increases relative to your heart rate (this is where keeping track of your heart rate during interval training comes in). That's always a sure sign of improving aerobic fitness.
fstrnu is offline