Brad Pitt's abs. Mark Wahlberg's abs. Ryan Reynolds' abs. Sure, they're all legendary. But who has the best delts and traps and lats? Below, a compendium of Hollywood's top vanity muscles.
Celebrity: Zac Efron
Visible from every angle, the tricep (so named because it has three interwoven parts) is the marquee of a man's upper arm, it's why fitted T-short sleeves exist, and it's the highlight of our profile when we're sans shirt.