'JYM – The Differences Between Hammer Curl vs Cross Body Hammer Curl'

02:34 Nov 14, 2021
'When you’re using JYM supplements and protein powders, get the most out of them with expert advice from Dr. Jim Stoppani, who shows you correct form, safety and the benefits of both exercises.' 

Tags: fitness , exercise , advice , dumbbell exercises , workout advice , protein supplements , protein powders , jym

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