Muscle Growth: Bodybuilding Experts Got It Wrong [Video]

Everybody hates Jeff Nippard. At least, that’s the premise of the bodybuilder and content creator’s latest social media outing.

• By his own admission, Nippard has drawn criticism over the last year for his full-throated endorsement of long-length partials as the optimal pathway to muscle growth.

Recent scientific research conducted by leading sport science experts and with assistance from Nippard himself asked, and then answered, the question that’s been plaguing the minds of gym bros: 

Are long-length partials actually that much better for building muscle, even if you have gym experience? As it turns out, no, not really. 

“I’ve been on record for at least a year saying that the stretched part of a lift is more important than the contracted part,” Nippard said on Sep. 24, 2024. 

He’s referring to the portion of an exercise’s range of motionin which the working muscle is fully lengthened rather than fully contracted — think of the bottom and the top parts of …