From the moment photos of Natalie Portman in “Thor: Love and Thunder” surfaced, the internet was swift to comment on how bulky her arms were. In the Marvel film, opening July 8, Portman returns as ...

Having already taken on Zac Efron's Baywatch-era workout, which included an "astronomical" number of reps, and The Rock's 50-set back and biceps routine, fitness vlogger Lucy Davis' latest challenge ...