Your chest isn’t growing because you are not using the right muscles … If you feel it more in your shoulders & arms well then you are going to struggle to grow your chest You might get a little chest activation just because that’s how your chest works by bringing your arm across the body Your biceps function is to flexion of the elbow Your shoulders also get worked more when we internally rotate So follow the cues in this video to maximize your chest growth in the machine chest fly 💯 | Kevin Wu