Fuck me thats some power there Crunk juice!
How many reps are you doing?
Personally dont go any heavier than 100kg for 6 reps.
Granted........ They are ultimatly a power lifters excercise and id noramlly advise against it (that heavy) but have you tried strapping a belt on?
Sounds like you might be going 'just' out of form mate which is pretty easy given the weight.
Try dropping the weight and cruising through a ligther one pal
Love you
Ruddy
x
P.S. Its probably mass stress on your COCKsitch (sp) bone that is giving you that pain.
Dumbell deads ftw?
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Ruddy.........
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