Enrollment Is Currently Closed
But don’t worry – we’ll notify you as soon as it reopens.
“I had knee pain for over a year. Nothing worked until I found Martin’s program. Now I’m running again – pain-free. Best decision ever.”
You're not on my email list?
Sign up below so you don’t miss the next opportunity to rebuild your knees and get back to the activities you love.
Not on the list? Sign up here:
Learn the Truth About TendonitisTough Tendons is a training program that helps you rebuild strong, pain-free knees using a proven step-by-step recovery roadmap grounded in research and real-world results. Over 1,000 people have used it successfully - including professional athletes - and it’s recommended by doctors worldwide.