Mobilization with movement (MWM) appears to reduce pain, improve knee range of motion, and enhance physical functioning in individuals with knee osteoarthritis (KOA). However, it remains unclear whether the severity grading of structural damage in KOA affects its effects. This study aims to analyze the immediate effect of MWM on squat self-reported functional ability, pain intensity, and pain-free range of motion in people with KOA, and to verify it its effect is influenced by the severity grading of structural damage.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
40
Manual application of a sustained translational or rotational glide force, either medial or lateral, on the tibia, while an active partial weight-bearing lunge movement was performed.
The physiotherapist mimicked the pain-reducing glide direction without applying glide force while the participants performed the active lunge movement. To achieve this, the physiotherapist's hands lightly touched the knee skin, with one hand on the tibia and the other on the femur over the joint surfaces.
E2S | P.PORTO - Escola Superior de Saúde do Politécnico do Porto
Porto, Porto District, Portugal
Functional ability
The Patient-Specific Functional Scale was used to assess self-reported functional ability. This scale is a self-reported, valid, and responsive outcome measure used to quantify activity limitations and evaluate functional outcomes for individuals with musculoskeletal conditions. Participants rated their current level of ability to performing the deep squat test on an 11-point scale at a level experienced prior to injury or change in functional status, where "0" represents "unable to perform" and "10" represents "able to perform at prior level.
Time frame: Baseline
Knee Pain
The Numeric Pain Rating Scale is a self-reported, valid, and responsive outcome measure that was used in this study to quantify pain intensity. Participants rated their current pain intensity related to performing the deep squat test on a scale divided into eleven equal parts, numbered consecutively from 0 to 10, where "0" represents "No Pain" and "10" represents "Worst Possible Pain" (the most intense pain imaginable).
Time frame: Baseline
Pain free Range of Motion (ROM)
This test has been advocated as a useful method for evaluating knee pain and function. Participants began the deep squat test by standing with their feet flat on the floor, approximately shoulder-width apart, aligned in the sagittal plane, and their hands placed on their pelvis (adapted from the original test description). They were then instructed to squat (buttocks towards the heels) as low as possible until the onset of pain, while maintaining an upright torso, avoiding asymmetric weight shift, and keeping their heels and toes in position. Before the test, participants viewed a demonstration video to optimize their understanding of the procedures. Additionally, they were given the opportunity to perform a practice trial of the deep squat test at a pain-free range of motion.
Time frame: Baseline
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