Here is why genetic muscle shape is 1 of the most important aspects of being a good bb.
Kamali is 290+ in these pics, and Lockett is around 220-230
Look at the arms.
Lockett has the long, round, full muscle bellies for bi's tri's and forearms.
Kamali has the complete opposite, with short bi's and forearms.
This is why Lockett's arms, even at a 60-70lb weight difference still look better than Kamali's/
GENETIC SHAPE/LENGTH/INSERTIONS RULE ALL