‘The Godfather of Bodybuilding,’ Charles Glass is unveiling another technique for maximizing back gains. In an Instagram post shared on Dec. 4, 2025, he showed how to properly stretch during bent-over rows.

When it comes to bodybuilding training, Charles Glass is a savant. Boasting an engineering and gymnastics background, he devises workout plans tailored to specific physiques and goals. He’s had a hand in helping shape legendary IFBB Pros, including Dexter Jackson , Kevin Levrone , and the late Shawn Rhoden .

It’s not just top-tier bodybuilders that Glass has assisted. Over the years, he’s also trained celebrities, like Dwayne ‘The Rock’ Johnson and Wesley Snipes. Through technique efficiency and careful tweaks to form, he’s proven to have a firm grasp on how to produce resu

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