Osteoarthritis (OA) of the knee, also referred to as degenerative joint disease, is normally due to wear and tear and progressive cartilage loss in the articular cartilage. Osteoarthritis is most prevalent condition among older adults. The objective of the study will be to compare the effects of Sahrmann's approach versus conventional treatment on pain, valgus angle and functional disability in patients with knee osteoarthritis.
Males and females between 40 to 60 years of age.
Diagnosed patients of knee Osteoarthritis with grade 2.
Valgus angle of knee > 10°.
Any other inflammatory conditions.
Rheumatoid arthritis, ankylosing spondylitis or any other auto immune disorder
Parallel
Sahrmann's exercises
Other intervention* with and without resistance band-SLR * with and without resistance band-Hip extension * with and without resistance band-clamshells * IT Band stretch * Squatting in front of mirror * with resistance band-lateral walk * Hip lateral rotation
standard physical therapy treatment
Other interventionComparator group patients will receive, Conventional treatment exercises. • ROMs, SLR, VMO's and Quadriceps strengthening, Partial squatting, Terminal knee extension ROM, ITB, Hamstrings and gastrocnemius stretching
Numeric Pain Rating Scale (NPRS) - Pain Assessment
The Numeric Pain Rating Scale (NPRS) is a unidimensional, patient-reported outcome measure used to assess pain intensity. Participants are asked to rate their current pain level, or average pain over a specified recall period (e.g., past 24 hours or past week), using an 11-point scale ranging from 0 to 10, where 0 indicates "no pain" and 10 indicates "worst imaginable pain." The NPRS is widely used in musculoskeletal and orthopedic conditions due to its simplicity, high responsiveness, and strong psychometric properties. It demonstrates excellent reliability (test-retest reliability ICC \> 0.80) and good construct validity in chronic pain populations including knee osteoarthritis.
Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) - Functional Outcome (Knee OA)
The WOMAC Osteoarthritis Index is a disease-specific, self-administered questionnaire designed to evaluate symptoms and functional status in patients with hip and knee osteoarthritis. It consists of 24 items divided into three subscales: Pain (5 items) Stiffness (2 items) Physical Function (17 items) Each item is typically scored using a 5-point Likert scale (0 = none to 4 = extreme), or alternatively via a visual analog format depending on study design. Total scores are summed, with higher scores indicating greater pain, stiffness, and functional disability.
Universal Goniometer (UG) - Valgus Angle Measurement
The Universal Goniometer (UG) is a standard clinical instrument used to measure joint angles and assess alignment. In this study, it will be used to measure the knee valgus angle, which reflects medial-lateral alignment of the lower limb in the frontal plane. The participant is typically assessed in a standing anatomical position, with landmarks aligned at: Anterior superior iliac spine (ASIS) Center of patella Ankle/midline of tibia or second toe alignment (depending on protocol standardization) The stationary arm of the goniometer is aligned with the femur, while the movable arm follows the tibial shaft. The angle between these segments represents the dynamic or static valgus alignment, depending on whether assessment is static posture or functional task-based measurement. Changes in valgus angle will be used to assess biomechanical alignment improvements following the intervention.
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