Hen Finkelstain Posted May 4, 2019 Share Posted May 4, 2019 While I perform the jefferson curl I feel my hamstring muscle really stretched. Is this normal? Link to comment Share on other sites More sharing options...
Alessandro Mainente Posted May 4, 2019 Share Posted May 4, 2019 HI Hen, yes it is normal. Link to comment Share on other sites More sharing options...
Hen Finkelstain Posted May 4, 2019 Author Share Posted May 4, 2019 Thanks ! Link to comment Share on other sites More sharing options...
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