Bodybuilders, 1941. The bodies look natural!

r/interestingasfuck

Myostatin deficiency causes uncontrollable muscle growth. It is a genetic condition in which myostatin, a protein that acts as a negative regulator of muscle growth, is produced in little to no quantities.

r/thatsinsane

Bodybuilders look like little toddlers next to Strongman

r/mademesmile

Body builder Alex Luz showing off those gains.

r/interestingasfuck

Bodybuilder Jackson Schop competing even though he has a paralyzed arm

r/nextfuckinglevel

93 year old bodybuilder Jim Arrington competing at IFBB Masters World Championships

r/beamazed

The shape shifter

r/nextfuckinglevel

Mike Tyson, at just 20 years old, was a UNIT

r/damnthatsinteresting

Bodybuilder/strongman Max Sick, demostrates abdominal wall control, more than 100 years ago. Circa 1900.

r/damnthatsinteresting

Some Historical Figures when they were Younger

r/oldschoolcool

Mohammed Ali sneaks up on Sly. 1977

r/thatsinsane

This 130KG transformation

r/beamazed

“Don’t ever, ever call me a self-made man” - Arnold Schwarzenegger