But what does the evidence actually say?
Let’s explore the potential benefits, the traditional beliefs behind this practice, and what you should realistically expect.
Where Are These Two Points?
Behind each knee is a shallow depression known as the popliteal fossa. In traditional Chinese medicine (TCM), this area includes an acupressure point commonly called Bladder 40 (Weizhong).
This point has been used for centuries as part of acupressure and acupuncture treatments aimed at easing discomfort and supporting overall well-being.
Possible Benefits of Gentle Massage Behind the Knees
1. May Help Relieve Tired, Achy Legs
After standing or walking for long periods, your leg muscles can become tight and fatigued. Gently massaging behind the knees may help relax nearby muscles and temporarily reduce feelings of heaviness.
Many people find this especially soothing after work or exercise.
2. Can Encourage Relaxation
Massage activates pressure receptors in the skin, which may help reduce stress and encourage your body to relax.
Even a few minutes of gentle massage can become part of a calming evening routine.
3. May Improve Local Blood Flow
Light massage increases circulation to the area being massaged. Better local blood flow may help warm stiff muscles and promote temporary comfort.
However, it should not be considered a treatment for poor circulation or vascular disease.
4. May Ease Muscle Tightness
The muscles and tendons around the knee can become tense after physical activity.
Applying gentle pressure around—not directly on sensitive structures—may help loosen surrounding tissues.
5. Traditional Medicine Suggests Relief for Back Discomfort
In traditional Chinese medicine, stimulating the Bladder 40 point is believed to help relieve lower back tension.
While some people report feeling better after acupressure, scientific evidence remains limited, and results vary from person to person.
6. Can Feel Refreshing During Leg Stretching
Combining gentle massage behind the knees with calf and hamstring stretches may help improve flexibility and reduce stiffness after sitting for long periods.
How to Massage These Points Safely
Follow these simple steps:
- Sit comfortably with your knees slightly bent.
- Locate the soft hollow behind each knee.
- Use your thumbs or fingertips to apply gentle—not painful—pressure.
- Massage using small circular motions for 30–60 seconds on each leg.
- Repeat once or twice daily if it feels comfortable.
The massage should never cause sharp pain, numbness, or significant discomfort.
What Science Says
Research supports massage therapy for temporary relief of muscle tension and relaxation. Acupressure has also shown modest benefits for certain types of pain in some studies.
However, there is no strong scientific evidence that rubbing behind your knees can:
- Detox your body
- Cure diseases
- Flush toxins
- Dramatically improve circulation throughout the body
- Replace medical treatment for chronic conditions
Most benefits are likely related to relaxation, temporary muscle relief, and increased local blood flow.
When You Should Avoid Massaging Behind the Knee
Do not massage this area if you have:
- Swelling, redness, or warmth in the leg
- A suspected blood clot (deep vein thrombosis)
- A recent knee injury or surgery
- Open wounds or skin infections
- Severe unexplained knee pain
If you have persistent leg swelling, severe pain, or circulation problems, consult a healthcare professional before trying massage techniques.
Other Ways to Keep Your Legs Healthy
Massage works best when combined with healthy habits, including:
- Walking regularly
- Stretching your hamstrings and calves
- Staying hydrated
- Maintaining a healthy weight
- Avoiding sitting for long periods
- Wearing supportive footwear
These lifestyle habits have much stronger evidence for promoting leg health than pressure-point massage alone.
Final Thoughts
Rubbing the two soft points behind your knees can be a pleasant and relaxing self-care practice. It may help reduce muscle tension, soothe tired legs, and encourage relaxation for some people. While traditional medicine attributes additional benefits to these pressure points, current scientific evidence does not support claims that this simple technique can cure illnesses or dramatically improve overall health.
If you enjoy it and it feels comfortable, gentle massage can be a safe addition to your wellness routine—but it should complement, not replace, evidence-based medical care when needed.