Overhead extensions may be a better exercise for building arm muscle than triceps pushdowns. New research suggests that lifting overhead lengthens the muscle for better gains. The study found ...

Plus, the popular move you need to retire in order to make the gains you want.

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Add Yahoo as a preferred source to see more of our stories on Google. “If you have time to do four or five, six triceps exercises, sure, we'll work some kickbacks in,” Samuel says. “But if you have ...