Sit or lie down with your leg relaxed
Slowly bend and straighten your knee
Gently rotate your lower leg inward and outward
Shift your weight slightly while standing and bend the knee
Do a few slow bodyweight squats
Stretch your quadriceps, hamstrings, and calves
Walk for a few minutes to loosen the joint
Stop if you feel pain, swelling, locking, or instability
Avoid forcing the knee to crack