The 12-3-30 is a treadmill workout that's harder than it looks. Some people might prefer it to running, but it's no magic ...
Kali Muscle on MSN
100 Burpees, Zero Excuses: Kali Muscle and Big Boy Push Limits
Kali Muscle and Big Boy take on the brutal challenge of completing 100 straight burpees, with no breaks and no excuses. The ...
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