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
Weight distribution. Dumbbells put all their weight on one arm, while barbells distribute to both. So instead of the arm, shoulder, and back muscles of one side, you got both sets of muscles lifting.
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