This link was posted on Facebook by Master SFG Péter Lakatos.
http://deansomerset.com/butt-wink-aout-hamstrings
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http://deansomerset.com/butt-wink-aout-hamstrings
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Rounding the bottom of the spine in order to achieve greater depth in the squat.What exactly is the buttwink all about? Anyone who can tell a little about this?
No, it's fine.Look here at this FMS vid at 3:18. Is this not a butt wink?