CARDIO | Everything you NEED to know | Erin Stern

[@infoatnorcal2304]

Thanks Erin, very informative, I put these to work last weekend in my training routine, have to love the sled for the HIT workout. Thanks again and keep them coming!!

[@GODFELLA99]

C4 energy drink is awesome 💯

[@danthechippie4439]

Very nice video, very well explained. Nothing else like this on KZbin

[@dmjenkins9483]

Thanks Erin for your education. Hitt we go .. will you be doing more hitt follow Long videos ..

[@TorBoy9]

Thanks Erin, that was pretty clear.

[@musadiqmanzoor2256]

Great

[@gouravangural3937]

can i take c4 for running