Dumbbell Spider Curl Dumbbell Spider curls are a remarkable exercise for building the biceps because they produce an intense muscle contraction on every single rep. Follow me @bodypumpup ##biceps #bicepsworkout #bicepsexercises #thegym #gymmotivation #bicepsworkoutatgym #workout #gym #bodybuilding #bigbicep #armsworkout #biggerbiceps #dumbbellspidercurl #spider #curl
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