Modifying grip orientation (pronation vs. supination) during pulldowns allows for the selective targeting of different areas of the back (latissimus dorsi vs. upper back/trapezius).

noli's read

The idea that hand orientation influences muscle recruitment is widely supported by biomechanics. Studies (e.g., electromyography published in the Journal of Strength and Conditioning Research) confirm that supination facilitates greater latissimus dorsi activation due to a better range of motion and more pronounced humeral adduction. Conversely, pronation involves the upper back muscles (middle/lower trapezius, rhomboids) more significantly. Enzo's advice regarding elbow valgus (the arm's carrying angle) is a relevant observation: forced supination can be uncomfortable for body types with a pronounced elbow angle, creating unnecessary tension. There is no exaggeration here, but rather a practical application of functional anatomy validated by bodybuilding literature. The approach remains cautious and adapted to individual variations.

the sources

No named source held this one up — that absence is part of the verdict.