12, 000 Machine Reveals Best Chest Exercises
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Here's Betty: a 12, 000 EMG machine who is going to help us determine what the best chest exercises for growth (from upper chest to middle chest to lower chest exercises) ACTUALLY are. EMG stands for electromyography, and it s a way of measuring the electrical activity produced by muscles when they…
Source: Jeremy Ethier (2022-11-15)