Knee pain is often caused by trigger points in the quadriceps, hamstrings, TFL, and gastrocnemius. Learn which muscles refer pain to the knee and why.

The best acupuncture points for knee pain: ST35, GB34, BL40, SP9, SP10, and more. Anatomical locations and clinical use for arthritis, tendinopathy symptoms.

The rectus femoris muscle is commonly involved in cases of anterior knee and thigh pain. Learn more about this muscle, how trigger points form in it, and how acupuncture can release rectus femoris muscle tightness to relieve pain and restore range of motion in the thigh and knee.