Effects of High Intensity Laser Therapy in Muscle Injuries
Effects of High Intensity Laser Therapy In Lower Limb Muscle Injuries: a Randomized Controlled Study
Azienda Ospedaliero-Universitaria Consorziale Policlinico di Bari
24 participants
Dec 1, 2025
INTERVENTIONAL
Conditions
Summary
Muscle injuries are frequent traumatic events in daily life, particularly during sports. In sports, their incidence varies from 10% to 55% of total injuries. According to the Mueller Wohlfart classification, muscle injuries are classified into direct traumatic injuries (contusion-laceration) and indirect traumatic injuries, which are further divided into non-structural injuries (grade I and II) and structural injuries. Structural lesions are further divided into partial muscle lesions (grade III): 3 A, minor partial lesion, i.e. lesion of one or more primary bundles with a secondary bundle; 3 B, moderate partial lesion, i.e. lesion of at least one secondary bundle and with a rupture area \< 50% of the muscle surface; and (sub)total muscle injury (grade IV).
Eligibility
Inclusion Criteria3
- presence of a grade III A muscle lesion of the lower limbs, according to the Mueller-Wohlfart classification, confirmed by ultrasound examination and occurred during sporting activity at least 5 days before inclusion in the study;
- no previous muscle injury in the last 6 months;
- signing of the written informed consent for participation in the study.
Exclusion Criteria6
- previous muscle injuries or bone fractures of the lower limbs in the last 6 months;
- knee instability due to previous rupture of the knee ligaments;
- instability or previous sprain of the ankle;
- active neoplastic or infectious diseases;
- contraindications to biostimulation;
- congenital anomalies of the lower limbs.
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Interventions
The multimodal high energy laser therapy treatment with thermal control (THEAL) will be delivered with an Ixyon XP device (Mectronic, Bergamo, Italy) which allows the delivery of 4 wavelengths (650 nm, 810 nm, 980 nm and 1064 nm), with continuous and pulsed mode, average power up to 30 W, administering 10 sessions every other day. The patients will simultaneously carry out the rehabilitation treatment exercises, as was expected in the control group.
Daily exercise
Locations(1)
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NCT06812611