anyone do them???
i have tried doing them a few times
not sure if i am executing them correctly
I feel it on my calves rather than my glutes
check out this link http://www.youtube.com/watch?v=yRUZQYh4cEs
this looks really hard, you could easily hurt your back
any tips?
i have tried doing them a few times
not sure if i am executing them correctly
I feel it on my calves rather than my glutes
check out this link http://www.youtube.com/watch?v=yRUZQYh4cEs
this looks really hard, you could easily hurt your back
any tips?

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