I.N.C.E.L.S. Boss
Kept you waitin, huh
★★★★★
- Joined
- Mar 15, 2020
- Posts
- 3,464
After I do cardio for some 3 minutes, my lower chest hurts, I become nauseous and gasp for every breath .
My stamina is shit.
How can I improve my stamina to be a marathon runner ?
My stamina is shit.
How can I improve my stamina to be a marathon runner ?