Nancy Cole demonstrates performing a one-arm overhead extension while standing on a BOSU, a half-moon shaped balance trainer. Nancy Cole demonstrates performing a one-arm overhead extension while ...

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 ...

The triceps brachii is a three-headed muscle that plays a critical role in elbow extension, pressing strength, and upper arm development. Its long, lateral, and medial heads each contribute ...

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