Muscle outlines from Body Muscles by Ivan Vulović, Apache 2.0 — regrouped and recoloured for Muscle Train.
Grip a barbell with an underhand grip, shoulder-width apart. Curl the weight toward your shoulders, lifting your wrists above your elbows while keeping your core tight. Slowly lower the barbell back down, fully straightening your arms.
Ensure full arm extension at the bottom for a deeper biceps stretch. Choose a weight you can control throughout the entire range of motion. Prioritize a slow, controlled descent to maximize muscle activation. Maintain a stable core to prevent unwanted movement. Engage your glutes for added stability.
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