90° vs 45° vs 20° — Massive Difference (Here’s Why) Your elbow angle determines which muscle actually works — and whether you’re building muscle or building injury risk. 🔥 90° Elbows Excessive shoulder flare. Higher stress on the joint. Lower chest efficiency. 🔥 45° Elbows Optimal pressing angle. Better chest activation. Safer for the shoulders. 🔥 20° Elbows More triceps involvement. Less chest emphasis. Small angle changes create massive differences in muscle activation. If you want more che
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