83693424__the_treadmill___Best_Home_Gym__u_might_describe_your_exertion
[Borg rating of your exertion] 19 to 20 A finishing kick in a race or other burst of activity that you can't maintain for long
Very, very hard
N o n e
V e r y , v e r y l i g h t
V e r y l i g h t
F a i r l y l i g h t
S o m e w h a t h a r d
H a r d
V e r y h a r d
V e r y , v e r y h a r d
How to perform HIIT on the treadmill • Best Home Gym
How you might describe your exertion