a man in black shirt lifting a barbell with words above it that says build your biceps
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Biceps Workout Dumbell

Don Burch | Online Coach on Instagram: "BIG ARM ACTIVATION Bicep 21’s! 💪 These are a game-changer for building strong and defined arms over the age of 40. Here’s why you should be doing them: 1️⃣ Bicep Activation: Bicep 21’s target your biceps from different angles, activating both the long and short heads of the muscle for maximum growth. 2️⃣ Mind-Muscle Connection: By performing partial reps and full reps in different ranges of motion, you’ll develop a stronger mind-muscle connection…

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