MECHANICAL TRACTION APPLIED BEFORE VERSUS AFTER THERAPEUTIC EXERCISES IN PRIMARY KNEE OSTEOARTHRITIS

Sponsor
Cairo University
Study ID
NCT07613749
Status
Not Yet Recruiting

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Conditions

Eligibility Criteria

Sex
ALL
Age
50 Years - 65 Years
Healthy Volunteers
Not accepted

Interventions

  • Group A: Therapeutic exercise group — BEHAVIORAL
    therapeutic exercises (Stretching and Strengthening Exercises for all major lower-limb muscles), Stretching will be performed(Rectus femoris, hamstring, calf muscle) for 1 set of 3 repetitions, 30 seconds hold, a rest period of 30 seconds between repetitions. Stretching will be carried out slowly and in a controlled manner until the feeling of mild tightness or discomfort. Strengthening exercises for (Knee extensors, knee flexor, hip extensor, hip flexor, hip abductor, hip external rotator, ankle dorsi flexor and plantar flexor) will be performed for 3 sets of 10 repetitions each, 10 seconds hold, a rest period of 2 seconds between repetitions and 30 seconds between sets. The resistance will be applied using sandbags and therabands of different weight and tension. The initial resistance will be determined based on 10RM, and the resistance will progress each week
  • Group B: mechanical traction followed by therapeutic exercise — BEHAVIORAL
    Mechanical traction will be applied for 20 minutes continuously in the supine lying position with the affected knee flexed at 25-30° (where joint structures are the most relaxed and the maximum amount of joint play is enabled) by a wedge placed under the thigh, before starting, the angle will be measured using a goniometer. The thigh will be stabilized by a strap and the leg will be held by the specially designed greave with the weight of traction hanging throughout the pulley system. The initial traction force will be set at 10% of the body weight. Traction force will be increased each week by 1% of body weight if the patient could tolerate then the same exercise of the firs group will be applied .
  • Group C: therapeutic exercise followed by mechanical traction — BEHAVIORAL
    This group will receive the same therapeutic exercises of 1st group followed by mechanical knee joint traction

Study Details

To study the effect of application of mechanical traction before versus after therapeutic exercises and exercise alone ,on pain severity , disability , knee joint range of motion , knee joint position sense , knee isometric muscle strength and functional performance in patients with primary knee OA.

Key Dates

First listed
May 29, 2026
Start date
Jul 1, 2026
Status verified
May 2026
Primary completion
Jul 1, 2027
Completion
Aug 1, 2027

Study Design

Enrollment
63 participants (estimated)
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT

Arms

  • Active Comparator: Group A : exercise group
    Group A : will receive therapeutic exercises (Stretching and Strengthening Exercises for all major lower-limb muscles), Stretching will be performed(Rectus femoris, hamstring, calf muscle) for 1 set of 3 repetitions, 30 seconds hold, a rest period of 30 seconds between repetitions. Stretching will be carried out slowly and in a controlled manner until the feeling of mild tightness or discomfort. Strengthening exercises for (Knee extensors, knee flexor, hip extensor, hip flexor, hip abductor, hip external rotator, ankle dorsi flexor and plantar flexor) will be performed for 3 sets of 10 repetitions each, 10 seconds hold, a rest period of 2 seconds between repetitions and 30 seconds between sets. The resistance will be applied using sandbags and therabands of different weight and tension. The initial resistance will be determined based on 10RM, and the resistance will progress each week
  • Experimental: Group B: Traction and exercise group
    Group B : will receive mechanical knee joint traction followed by the same therapeutic exercises of 1st group Mechanical traction will be applied for 20 minutes continuously in the supine lying position with the affected knee flexed at 25-30° (where joint structures are the most relaxed and the maximum amount of joint play is enabled) by a wedge placed under the thigh, before starting, the angle will be measured using a goniometer. The thigh will be stabilized by a strap and the leg will be held by the specially designed greave with the weight of traction hanging throughout the pulley system. The initial traction force will be set at 10% of the body weight. Traction force will be increased each week by 1% of body weight if the patient could tolerate
  • Experimental: Group C: Exercise and traction group
    Group C: will receive the same therapeutic exercises of 1st group followed by mechanical knee joint traction

Primary Outcome Measure

pain severity [ Time Frame: pre-treatment; 24-48 hrs before the first treatment session and after 6 weeks of intervention post-treatment; 24-48 hrs. ]

Central Contacts

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