After 4 months, I recently went from 7.5kg dumbbells to 10kg dumbbells and it feels really heavy whenever I lift above my chest level. like my shoulders and back have a hard time doing the exercises. But 2 days ago I bought a barbell and loaded it with 28 kgs I was comfortably ( little bit challenging) able to do my exercises. I dont understand why the dumbbells feel so difficult to work with.
In: 30
You are using the muscles differently. The supporting muscles that balance the weight are working differently between barbells and dumbbells. The range of motion is different as well.
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