International Journal For Multidisciplinary Research

E-ISSN: 2582-2160   •   Impact Factor: 9.24

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Effectiveness of Photobiomodulation Therapy in Improving Nerve Function in Common Peroneal Neuropathy: Randomized Clinical Trial

Author(s) Mishu Garg, Prof. Dr. Narkeesh Arumugam
Country India
Abstract Background: Common peroneal nerve (CPN) is the most common mononeuropathy encountered in lower limb often resulting in foot drop. CPN Injuries have a variety of traumatic and non-traumatic aetiologies. Trauma-related injuries include musculoskeletal or orthopedic damage, while non-traumatic causes involve neurological disorders and compressive pathologies. Objectives: To determine the effectiveness of Photobiomodulation therapy (PBMT) on Nerve Conduction Velocity, Muscle Strength and Ankle-foot Disability Index in individuals with CPN injuries. Methodology: The present study was a Prospective Randomized Clinical Trial in nature in which the effect of PBMT was observed. A total of 14 participants diagnosed with foot drop was randomly allocated into two independent groups that is Group A (Experimental Group) and Group B (Control Group). Results: The mean FADI scores for Group A improved from 50.0 ± 15.48 (Day 0) to 57.43 ± 17.39 (Day 14) (p > 0.05), while Group B improved from 39.86 ± 15.27 to 44.14 ± 16.18 (p > 0.05), showing no significant intragroup changes. Between-group comparisons at Day 14 also showed no significant differences (p > 0.05). Dorsiflexor strength increased from 1.15 ± 0.62 to 1.66 ± 1.05 in Group A and from 0.86 ± 0.71 to 1.16 ± 0.70 in Group B (p > 0.05). MNCV in Group A increased from 31.96 ± 19.91 to 38.31 ± 19.61 (p > 0.05). Overall, clinical improvements were observed but not statistically significant. Conclusion: The study found greater improvement with PBMT plus conventional physiotherapy compared to physiotherapy alone, though results were clinically non-significant. This is the first study to assess PBMT in CPN injury. Future research with larger samples and longer durations is recommended.
Keywords Common peroneal nerve (CPN) injury, Foot drop, Mononeuropathy, Photobiomodulation therapy (PBMT), Nerve conduction velocity (NCV), Muscle strength, Ankle-Foot Disability Index (FADI), Dorsiflexor weakness, Neuropathy rehabilitation, Physiotherapy, Prospective randomized clinical trial, Low-level laser therapy, Peripheral nerve injury, Neuromuscular recovery, Compressive neuropathy
Field Medical / Pharmacy
Published In Volume 7, Issue 4, July-August 2025
Published On 2025-08-04
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E-ISSN 2582-2160
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