they help your lower back ?
your prime mover is your erector spinae which is a thin postural muscle not meant for direct heavy weights .
i reckon there a good way to screw up your lower back
just my opinion though
Associate Member
they help your lower back ?
your prime mover is your erector spinae which is a thin postural muscle not meant for direct heavy weights .
i reckon there a good way to screw up your lower back
just my opinion though
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