PT How To Avoid Knee Pain At The Gym: Leg Extension Machine June 28, 2019June 25, 2019 Dr. Siobhan France 0 Comments physical therapist, physical therapist advice, physical therapist tips, physical therapy, PT How to prevent knee pain while using the leg extension machine at the gym. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related