When both dumbbell and cable lateral raises are performed with the same arm movement range (90°), both exercises produce the same amount of muscle growth in the side shoulder muscle, regardless of...

We analyzed the available evidence on dumbbells and cables for side shoulder muscle growth, and what we’ve found so far suggests that when both exercises are performed with the same range of motion—90 degrees of arm elevation—both produce similar levels of muscle activation in the side shoulder muscle, regardless of how the resistance changes during the movement [1]. This conclusion is based on one assertion that supports this view, with no studies or claims contradicting it. The key factor here is controlling the range of motion. When the arm moves through the same arc, the muscle is challenged similarly, even though dumbbells rely on gravity and cables use constant tension from a pulley system. The evidence does not suggest one is better or worse—it points to comparable outcomes under these specific conditions. We don’t yet know if this holds true across different training volumes, frequencies, or over long periods, since only one assertion was reviewed. There’s also no data on how individual differences in strength, technique, or muscle fiber type might affect results. For someone choosing between dumbbells and cables, this means that if you keep the movement path consistent, you can expect similar side shoulder muscle stimulation from either tool. The choice may come down to comfort, equipment access, or personal preference rather than which one builds more muscle. Our current analysis is limited, and more studies could change this understanding.