Why did you do 12/45 HIIT intervals instead of 15/45? Where did those extra 3 seconds go?
Where were they in the first place? What makes 12 any stranger than 15?
Why did you do 12/45 HIIT intervals instead of 15/45? Where did those extra 3 seconds go?
ReplyDeleteWhere were they in the first place? What makes 12 any stranger than 15?
ReplyDelete