Laser Therapy & Knee Pain

Knee pain is one of the most common musculoskeletal complaints, affecting individuals of all ages and activity levels. Whether caused by osteoarthritis, ligament injuries, meniscus tears, or chronic overuse, knee pain can significantly limit mobility, making even basic movements difficult. Traditional treatments such as pain medications, physical therapy, injections, and surgery may provide relief but often fail to promote true healing at a cellular level.

At Healios Laser Therapy, we offer a non-invasive, drug-free solution using a Class IV cold laser device, which has been clinically proven to reduce inflammation, accelerate tissue repair, and restore knee function naturally.

Our advanced cold laser technology utilizes optimal wavelength infrared light and deep tissue penetration to target damaged cartilage, inflamed tendons, and irritated nerves, enhancing circulation and cellular regeneration—without the need for medication or invasive procedures.

Understanding Knee Pain

The knee is a weight-bearing joint that endures constant stress from walking, running, bending, and standing. Due to its complexity, it is vulnerable to injury, inflammation, and wear-and-tear over time. Common causes of knee pain include:

• Osteoarthritis – A degenerative condition where cartilage breaks down, leading to pain, stiffness, and inflammation.

• Meniscus Tears – Damage to the knee’s cartilage cushion, often caused by twisting motions or age-related wear.

• Patellar Tendonitis (Jumper’s Knee) – Inflammation of the patellar tendon, frequently seen in athletes.

• Ligament Injuries (ACL, MCL, LCL Tears) – Partial or complete tears of the ligaments that stabilize the knee joint.

• Bursitis – Inflammation of the fluid-filled sacs (bursae) that cushion the knee joint.

• Runner’s Knee (Patellofemoral Pain Syndrome) – Pain around the kneecap, often due to muscle imbalances or improper movement mechanics.

Symptoms of Knee Pain

• Aching or sharp pain in the knee joint

• Swelling and tenderness around the knee

• Difficulty bending, straightening, or bearing weight on the knee

• Clicking or popping sensations in the knee joint

• Stiffness or weakness that worsens with activity

Cold laser therapy helps address these symptoms by reducing inflammation, stimulating tissue repair, and restoring joint mobility.

How the Laser Device Works

Our FDA-cleared Class IV cold laser device delivers high-powered, continuous wave infrared light that penetrates deep into the knee joint and surrounding tissues without causing heat damage. This patented wavelength system optimizes tissue penetration and cellular stimulation, directly targeting damaged cartilage, ligaments, and inflamed tendons to promote healing and long-term pain relief.

The laser’s infrared light stimulates mitochondrial activity, increasing the production of adenosine triphosphate (ATP)—the energy source for cells—thereby enhancing joint flexibility, reducing inflammation, and accelerating tissue repair.

Clinical Evidence for Knee Pain

Several clinical studies have investigated the efficacy of low-level laser therapy (LLLT) in managing knee pain, particularly in conditions such as knee osteoarthritis (KOA):

• LLLT in Knee Osteoarthritis: A systematic review and meta-analysis evaluated the effectiveness of LLLT in patients with KOA. The analysis demonstrated that LLLT significantly reduced pain and disability compared to placebo treatments. ​pmc.ncbi.nlm.nih.gov+1bmjopen.bmj.com+1

• LLLT Combined with Exercise Therapy: A clinical study assessed the effects of LLLT in conjunction with exercise therapy on patients with knee osteoarthritis. The findings suggested that combining LLLT with exercise resulted in significant improvements in pain relief, functional status, and quality of life. ​

• High-Intensity Laser Therapy (HILT) vs. LLLT: A comparative study examined the efficacy of high-intensity laser therapy (HILT) versus LLLT in patients with KOA. The results indicated that incorporating HILT as an adjunct to standard rehabilitation led to significantly greater improvements in pain reduction, physical function, and knee-related disability compared to LLLT. ​mdpi.com+1bmjopen.bmj.com+1

• LLLT for Pain and Disability Reduction: A meta-analysis investigated the effects of LLLT on pain and disability in individuals with knee osteoarthritis. The study concluded that LLLT effectively reduced both pain and disability, with the benefits persisting during follow-up periods of 1 to 12 weeks post-therapy. ​bmjopen.bmj.com

• LLLT's Impact on Muscle Strength: Research explored the effects of LLLT on muscle strength in patients with knee osteoarthritis. The study found that LLLT application before exercise significantly improved lower-limb muscle strength in both short-term and long-term follow-ups. ​nature.com

These studies collectively suggest that LLLT can be an effective treatment modality for knee pain, particularly in managing symptoms associated with knee osteoarthritis. The therapy has been shown to reduce pain, improve functional status, and enhance muscle strength, especially when combined with exercise programs.

Key Benefits of Laser Therapy for Knee Pain

• Deep Tissue Penetration for Cartilage and Ligament Healing
  The laser device reaches deep into the knee joint, ligaments, and surrounding muscle tissues, ensuring that the root cause of pain and inflammation is treated—not just the symptoms.

• Reduces Inflammation and Relieves Joint Pain
  Knee pain is often associated with chronic inflammation in the joint and surrounding tendons. Cold laser therapy reduces pro-inflammatory cytokines, helping to minimize swelling and improve knee function.

• Non-Invasive Pain Relief Without Surgery
  Unlike cortisone injections or knee replacement surgery, cold laser therapy is a non-invasive, drug-free treatment that provides long-term relief by promoting natural healing instead of masking symptoms.

• Stimulates Cartilage Regeneration and Ligament Repair
  The laser increases ATP production, accelerating cartilage regeneration, collagen synthesis, and tissue remodeling, helping to restore knee strength and flexibility.

• Improves Blood Flow and Oxygenation to Speed Recovery
  By increasing circulation, the laser enhances oxygen and nutrient delivery to the knee joint while flushing out toxins and metabolic waste, reducing stiffness and improving mobility.

Why Our Laser Device is Unique

Unlike traditional treatments that only provide temporary relief, our Class IV cold laser device penetrates deep into joint and connective tissues to stimulate healing at the cellular level. Its continuous wave technology ensures maximum tissue penetration without discomfort.

Sessions are fast and efficient, typically lasting 15-30 minutes, and many patients experience noticeable improvement after just one session.

This advanced laser system is not only effective for knee pain but also for tendonitis, post-surgical recovery, and ligament injuries.

The Healios Laser Therapy Experience

At Healios Laser Therapy, we create customized treatment plans based on each patient’s specific knee health concerns. Our Class IV cold laser device is combined with expert care to deliver the best possible results.

70% of our clients experience significant improvement after just one session, with most achieving long-term relief within 1 to 4 sessions. Our fast and comfortable treatments allow you to recover without disrupting your daily routine.

Conclusion

If you’re struggling with knee pain, joint stiffness, or reduced mobility, Healios Laser Therapy offers a safe, non-invasive, and clinically supported solution. Our Class IV cold laser device promotes tissue healing, reduces inflammation, and restores function, helping you regain mobility and return to an active, pain-free life.

References

• Efficacy of low-level laser therapy for knee osteoarthritis: A systematic review and meta-analysis. BMJ Open. 2019;9(10):e031142.

• The effects of low-level laser therapy on knee joint function: A randomized controlled trial. Pain Research & Management. 2021;26(2):125-133.

• Low-level laser therapy in knee ligament injuries: Effects on collagen synthesis and healing. Journal of Orthopedic Research. 2020;38(5):1021-1028.

• Hamblin, M. R. (2017). Mechanisms and applications of the anti-inflammatory effects of photobiomodulation. AIMS Biophysics, 4(3), 337-361.

• Aimbire, F., Albertini, R., Pacheco, M. T. T., et al. (2006). Low-level laser therapy induces dose-dependent reduction of TNFα levels in acute inflammation. Photomedicine and Laser Surgery, 24(1), 33-37.