@reppsfitness1: Want bigger arms? Your triceps make up about two-thirds of your upper arm, and most people train them wrong. 💪 Here’s the 3D anatomy of all three heads: the long head, lateral head, and medial head. Train them all with bench dips, diamond push-ups, and close-grip push-ups. Save this for your next arm day! #triceps #fitness #gymtok #anatomy #workout

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Wednesday 14 October 2026 12:29:17 GMT