Evaluation of Mechanical Traction and Simultaneous High Intensity Laser Irradiation Effects on Pain, Lower Extremity Muscles Activity, and Functional Balance in People with Knee Osteoarthritis

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20230603058371N1

Enrollment

Registered

2023-06-07

Start date

2023-07-06

Completion date

Unknown

Last updated

2023-06-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Knee osteoarthritis. Osteoarthritis of knee

Interventions

Intervention 1: Intervention group: Group 1:The first group is treated with high intensity laser. High intensity laser is applied using the American K LASER device with the following parameters: Wavel

Eligibility

Sex/Gender

All

Age

45 Years to 75 Years

Inclusion criteria

Inclusion criteria: People who are symptomatically and radiologically suffering from grade 3 tibiofemoral osteoarthritis based on the Kellgren-Lawrence radiological grading scale and meet the criteria of the American College of Rheumatology Moderate pain range (score 45-74 on the 100 mm VAS scale) Body mass index 25=BMI<30 Lower limb muscle strength equal to or greater than grade 4 based on Kendall and Daniel

Exclusion criteria

Exclusion criteria: Other rheumatological conditions, recent fracture around the knee, lower limb deformity, osteoporosis, bone tumors Varus knee deformity more than 5 degrees, valgus more than 15 degrees History of cancer Presence of bone implant People with a history of surgery on the knee joint Infection Open wounds or skin disease around the knee joint Injections or physiotherapy on the knee in the last three months, using steroidal or non-steroidal anti-inflammatory drugs in the last 15 days Other causes of pain in the lower limbs (such as polyneuropathy, restless leg syndrome, fibromyalgia, hip joint pathology, spine root compression, central nervous system diseases), mental disorders

Design outcomes

Primary

Measure	Time frame
Pain. Timepoint: Before treatment, 48 hours after 10 treatment sessions. Method of measurement: 100 millimeter visual analog scale.	—

Secondary

Measure	Time frame
Functional balance index include: Center of pressure sway velocity, Rising index, Weight transfer time, Mean absolute error, Standard deviation of absolute error, Root mean square error, Area, Normalized error. Timepoint: Before treatment, 48 hours after 10 treatment sessions. Method of measurement: Kistler MARS device data analysis.;Knee function. Timepoint: Before treatment, 48 hours after 10 treatment sessions. Method of measurement: WOMAC questionnaire.;The electrical activity of lower extremity muscles includes: Mean root mean square, Median root mean square, Median frequency, Co-contraction index. Timepoint: Before treatment, 48 hours after 10 treatment sessions. Method of measurement: Surface Electromyography signal analysis.	—

Measure

Time frame

Functional balance index include: Center of pressure sway velocity, Rising index, Weight transfer time, Mean absolute error, Standard deviation of absolute error, Root mean square error, Area, Normalized error. Timepoint: Before treatment, 48 hours after 10 treatment sessions. Method of measurement: Kistler MARS device data analysis.;Knee function. Timepoint: Before treatment, 48 hours after 10 treatment sessions. Method of measurement: WOMAC questionnaire.;The electrical activity of lower extremity muscles includes: Mean root mean square, Median root mean square, Median frequency, Co-contraction index. Timepoint: Before treatment, 48 hours after 10 treatment sessions. Method of measurement: Surface Electromyography signal analysis.

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactPardis Norouzi

Tarbiat Modares University

pardis.norouzi.pt@gmail.com+98 21 82880

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026