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Laser Therapy for Runners: Preventing & Treating Common Foot and Leg Injuries

Laser Therapy for Runners: Preventing & Treating Common Foot and Leg Injuries

Running is one of the most accessible forms of exercise, but it comes with a high rate of overuse injuries. Shin splints, plantar fasciitis, Achilles tendonitis and runner’s knee are among the most common issues that sideline athletes. These conditions often result from repetitive strain, improper recovery or biomechanical imbalances.

Low-level laser therapy (LLLT), also called photobiomodulation (PBM), offers runners a safe, non-invasive way to prevent and manage injuries. By reducing inflammation, supporting tissue repair and improving circulation, laser therapy can speed recovery and keep runners training consistently.

How laser therapy helps runners recover

PBM delivers targeted red and near-infrared light to muscles, tendons and ligaments. This light energy is absorbed by mitochondria in the cells, boosting ATP production and reducing oxidative stress. The result is:

  • Less inflammation and swelling

  • Reduced pain signalling in irritated tissues

  • Faster repair of muscle and connective tissue

  • Improved circulation for better nutrient delivery and waste removal

These biological effects make PBM particularly useful for the repetitive strain injuries that runners commonly face.

Clinical evidence for sports injuries

Evidence supports PBM for treating musculoskeletal injuries in athletes.

  • A systematic review in the Journal of Functional Morphology and Kinesiology highlighted PBM as an effective adjunct for managing sport-related soft tissue injuries, showing reduced pain and faster return to activity. Read the full review here

  • Other studies confirm improvements in muscle recovery, joint pain reduction and tendon healing, particularly when PBM is applied consistently over the early phase of injury.

Common running injuries treated with LLLT

Shin splints (medial tibial stress syndrome)

PBM helps by reducing inflammation along the tibia, easing pain and promoting faster healing of irritated periosteal tissue.

Plantar fasciitis

By targeting the heel and arch of the foot, PBM reduces inflammation of the plantar fascia and promotes collagen repair, often improving morning pain and walking tolerance.

Achilles tendonitis

Laser therapy stimulates tendon cell activity, supports collagen regeneration and reduces chronic tendon inflammation — helping prevent long-term thickening or degeneration.

Runner’s knee (patellofemoral pain syndrome)

PBM reduces pain around the kneecap, supports cartilage metabolism and helps restore normal joint function, especially when combined with strengthening and biomechanical correction.

Benefits for runners

  • Non-invasive recovery tool — no needles, surgery or downtime.

  • Drug-free pain relief — reduces reliance on anti-inflammatories.

  • Prevention as well as treatment — regular use may protect tissues from overload.

  • Faster return to training — less time off due to overuse injuries.

Treatment guidance

  • Frequency: Daily or every other day in the acute phase, then taper to maintenance use.

  • Target sites: Painful areas such as the shin, heel, Achilles tendon or knee.

  • Devices: The Pulsed Low-Level Laser Therapy unit provides a convenient, medical-grade option for athletes managing injuries at home or alongside physiotherapy.

Safety considerations

LLLT is safe and well tolerated. Key precautions include avoiding use over active infections or suspected fractures, and following manufacturer guidelines for safe dosage. Protective eyewear is recommended when treating areas near the eyes.

Stronger Recovery, Fewer Setbacks

For runners dealing with common injuries like shin splints, plantar fasciitis, Achilles tendonitis and runner’s knee, laser therapy offers an evidence-based solution that speeds recovery, reduces pain and helps prevent recurrence.

Incorporating PBM into a recovery plan can mean less downtime and more consistent training. For at-home and clinic support, the Pulsed Low-Level Laser Therapy device provides targeted, safe and effective treatment designed to help athletes stay on track.

References:

Wang W, Jiang W, Tang C, Zhang X, Xiang J. Clinical efficacy of low-level laser therapy in plantar fasciitis: A systematic review and meta-analysis. Medicine (Baltimore). 2019 Jan;98(3):e14088. doi: 10.1097/MD.0000000000014088. PMID: 30653125; PMCID: PMC6370152.

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