is this cardio weak sauce? I can't do any better (it's 70 min or so total):treadmill - 6.5 incline, 4mph 10 minute, 5mph 15 min.elliptical - level 10, 68 rpm, 15 mintreadmill - 6.5 incline, 5mph 20 min.elliptical - level 10, 68 rpm, 10 min.
70 mins? weakling, do at least 120 mins
inb4 HIIT
>>154459dayum nigr
>>154458HIIT or GTFO