how to do concentration curls
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Athlean-X
Biceps Concentration Curl Variation (HITS CHEST TOO!!)
Construct ripped athletic biceps and a much bigger chest in 90 days Focus curls meet pec crossovers. If you wish…
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Athlean-X
Concentration Curls Aren't Working for You (HERE'S WHY!)
Prepare with me for 90 days – Subscribe to this channel right here – Focus curls are one of the…
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