are you sure that you are reading it right? i've never heard of a back up before.
i'm kinda new to this but i'm training for football and i started a Tom Shaw workout and it says one oof the exercises are Back Ups and i never heard of them before j/w if anyone could help me out with that..?..
are you sure that you are reading it right? i've never heard of a back up before.
"The greatest obstacle to knowledge is not ignorance but the illusion of knowledge." -Barry Marshall, Nobel Laureate
Probly body rows..
whos is tom shaw?
Optimum Sports Performance
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