Place your foot on a chair or bench. Then, stand up tall and with your back heel flat on the floor, bend your front knee and push your hips forward until you feel a stretch.
A Guide to Physical Therapy for Knee Pain - CityPT
Stretches and Exercises to Strengthen Your Knees, from a PT
Knee Pain: Causes & Treatment
How to Exercise With Bad Knees
Back exercises in 15 minutes a day - Mayo Clinic
How Physical Therapy Can Help With Chronic Pain – MS Physical Therapy
What Causes Knee Pain After Working Out?
Exercises for Jumper's Knee, Patellar Tendonitis
Knee Pain Archives - Impact Physical Therapy
The importance of stretching - Harvard Health
Knee Pain - 6 Physical Therapy Exercises
5 Exercises to Defeat Chondromalacia Patella (and 3 to Avoid)