@menshealthmag: Austin Butler gained 35 pounds to play an alcoholic former baseball player in Darren Aronofsky’ ‘Caught Stealing.’ Celebrity trainer Beth Lewis, who’s responsible for sculpting Hugh Jackman’s Wolverine bod, had Butler balancing on a BOSU ball, doing one-arm kettlebell moves, and doing “a ton of hip thrusters,” Butler says. He loved the regimen because the movements felt functional and had benefit both in his current everyday life and in the long run. Read more about how Butler transforms his body in his cover story at the link in our bio.