Do genetics actually matter for strength training, or is that just an excuse for people who stalled? Starting Strength Coach Grant Broggi gives the honest answer: they matter a lot, you can't change them, and here's how to train anyway.
Two lifters run the same novice linear progression. One adds five pounds every session until he's pulling 405 for five. The other stalls at 250 and can't break the bar off the floor. Same program, same gym. What's the difference?