Combining concepts from studies that show that the negative portion of the lift is the most effective for hypertrophy with the concept that you are 20-50% stronger on the eccentric to produce a greater outcome.
[Guy only trains Eccentrics 10 Days original video] - • I ONLY Trained NEGATIVES For 10 Days
[Eccentric vs Concentric Study] - https://pubmed.ncbi.nlm.nih.gov/36107...