S Soccer Cutie Guest Jan 27, 2009 #1 This is to compare how the depth of your breathing changes before and after exercise.. How could you measure the depth? I was thinking maybe how long each breath is, but I realised thats not necessarily right.
This is to compare how the depth of your breathing changes before and after exercise.. How could you measure the depth? I was thinking maybe how long each breath is, but I realised thats not necessarily right.
