How Class IV Laser Therapy Works
Restore. Renew. Regenerate.
Class IV Laser Therapy uses concentrated healing light to reduce pain, decrease inflammation, and accelerate your body’s natural ability to repair itself. It does not involve drugs, needles, or surgery — just light energy that tells your body to heal.
Quick Understanding (Simple + Plain Language)
Light is energy. When we shine specific healing wavelengths of laser light into injured or painful foot tissues:
Your cells wake up and produce more energy (ATP)
Blood flow improves — bringing more oxygen and nutrients
Inflammation and pain decrease
Damaged tissues repair faster
Immune cells are activated to fight infection and support recovery
This helps the body:
• Restore damaged tissues
• Renew cellular energy
• Regenerate healthy function
Common conditions treated in the foot and ankle:
Heel pain (plantar fasciitis), Achilles tendonitis, Extensor Tendonitis, Peroneal Tendonitis, Shin Splints, Foot arthritis, Diabetic neuropathy, Chemotherapy Neuropathy, Toenail Fungus, Plantar Wart, Ankle sprains, Ligament Sprain, Foot Tendon injury, and post-surgical foot recovery.
Detailed Scientific Understanding
Class IV lasers deliver photobiomodulation — a process where therapeutic light triggers a biochemical response in damaged cells.
Light travels as electromagnetic waves, measured in nanometers (nm). Different wavelengths penetrate tissue at different depths and interact with specific cell structures:
| Wavelength | Primary Target | Key Effect | Clinical Benefit |
|---|---|---|---|
| 650 nm | Skin + immune cells | Enhances other wavelengths | Surface tissue healing |
| 810 nm | Mitochondria in deeper tissues | Boosts cellular energy (ATP) | Regenerates muscle, bone, connective tissue |
| 915 nm | Hemoglobin + fluid | Improves oxygen release | Reduces inflammation + speeds healing |
| 980 nm | Water molecules | Improves circulation + heat transfer | Pain relief + muscle relaxation |
| 1064 nm | Deep tissues + melanin | Deep penetration into dense tissue | Deep healing effects in joints and tendons |
Together, these wavelengths:
✅ Increase mitochondrial ATP production
✅ Improve oxygen availability and delivery
✅ Enhance immune cell activity (macrophages, fibroblasts)
✅ Reduce inflammatory chemicals (cytokines)
✅ Stimulate collagen production and tissue regeneration
The result is faster and more complete healing of chronic and acute foot problems.
How Your Body Responds Biologically
Cellular Level Response
Increased ATP = stronger, faster cell repair
Enhanced collagen = stronger ligaments, tendons, and skin
Better nerve function = relief from neuropathy
Immune System Activation
Improved circulation brings specialized immune cells to the injury
Tissue waste and swelling are cleared faster
Microbial defense increases in infected tissues
Neurological Response
Pain signals decrease
Serotonin release increases (natural pain control)
The Wavelengths We Use — Explained
650 nm
Visible red light — also used for precision aiming
Stimulates skin repair and supports deeper-penetrating wavelengths
Provides mild therapeutic heat
810 nm — “The Workhorse”
Deep penetration
Maximizes oxygen use in cells to regenerate:
Muscle
Tendons
Bone
Connective tissues
Speeds tissue repair and recovery
915 nm
Targets blood and fluids in tissue
Accelerates:
Inflammation reduction
Wound healing
Oxygen delivery to injured tissues
980 nm
Interacts with water in tissue to increase:
Microcirculation
Removal of cellular waste
Muscle relaxation and pain relief
Supports calcium movement needed for cellular repair
1064 nm
Deepest-penetrating wavelength
Reaches dense structures like:
Fascia
Joints
Achilles tendon
Excellent for chronic and deep-tissue foot pain
What This Means For Your Feet
| Condition | Laser Benefit |
|---|---|
| Plantar fasciitis, heel pain | Reduces inflammation + repairs fascia |
| Achilles tendonitis | Regenerates tendon fibers |
| Foot Arthritis | Less joint pain and swelling |
| Diabetic /Chemotherapy Neuropathy | Nerve regeneration + symptom relief |
| Sports injuries | Faster recovery and return to activity |
| Post-surgical | Improved healing, less scarring |
Conclusion
Class IV laser therapy uses scientifically-selected wavelengths to:
✨ Activate your immune system
✨ Boost natural self-healing
✨ Reduce pain and inflammation
✨ Restore normal foot movement and function
You heal from the inside out — safely and naturally.
At Restore Podiatry & Laser Center, we are proud to advanced, non-invasive, natural healing with the power of light!