Wednesday, February 13th, 2019

Are 90 Degree Leg Extensions Bad for Your Knees?

After cross referencing a number of sources, I've come to the conclusion that 90 degree leg extensions may put too much stress on the knee joints.
Apparently, this is not news in some circles as many bodybuilders have believed this for years.

Here is a video from Scooby on YouTube demonstrating this.

Scooby has a number of work ...