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

Not Applicable

Conditions: Knee osteoarthritis.
Osteoarthritis of knee

Registration Number: IRCT20230603058371N1

Lead Sponsor: Tarbiat Modares University

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Pending

Sex: All

Target Recruitment: 28

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

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

Study & Design

Study Type: interventional

Study Design: Not specified

Primary Outcome Measures

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

Secondary Outcome Measures

Name	Time	Method
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.