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Knee joint osteoarthritis (OA) reduces functional mobility and performance of daily tasks such as rising from a chair. Therefore interventions aimed at improving muscle strength and sit-to-stand task performance are very important for these patients. The effect of exercise programs, including home exercise programs (HEP), on muscle strength, joint pain and function is well known and widely researched, yet not many studies have investigated the effect of an HEP on electromyographic activity (EMG) of muscles when performing everyday tasks, such as rising from and sitting on a chair. The aim of this study was to investigate effect of prehabilitation in women with severe knee joint OA scheduled for knee joint arthroplasty (TKA).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Home Exercise Program | Experimental | 8- week therapeutical exercise program performing at home for women with knee joint osteoarthritis |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| therapeutical exercises | Other | Participants of experimental group performs daily an 8-week home therapeutical exercise program. Exercises are periodized by weeks (1-8 weeks). The aim of program is the leg muscle strengthening using an elastic band (Thera-Band, System of Progressive Exercise, USA), body balance training, and leg muscle stretching. |
| Measure | Description | Time Frame |
|---|---|---|
| Muscle electromyographic (EMG) activity | Electromyographic (EMG) activity of thigh muscles during gait and sit to stand task (amplitude, mV) | up to 12 months |
| Measure | Description | Time Frame |
|---|---|---|
| Knee joint pain intensity | Self-reported knee joint pain intensity measured by visual-analogue scale (VAS) (in mm: "0 mm" - no pain and "100 mm" - extreme pain) | up to 12 months |
| Knee joint function |
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Inclusion Criteria:
Exclusion Criteria:
For both groups:
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| Name | Affiliation | Role |
|---|---|---|
| Helena Gapeyeva, MD, PhD | University of Tartu, Faculty of Medicine, Estonia | Principal Investigator |
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| ID | Term |
|---|---|
| D010003 | Osteoarthritis |
| ID | Term |
|---|---|
| D001168 | Arthritis |
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
| D012216 | Rheumatic Diseases |
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Self-reported functional status measured by Knee Injury and Osteoarthritis Outcome Score (KOOS) - Symptoms, Pain, Daily Living Activity, Sport and Recreational Activity. Quality of Life. Maximum is 100 points (complains are absent) and minimum is 0 points (extreme complains)
| up to 12 months |
| Sit to Stand test | five time Sit to Stand test from standard chair (s) | up to 12 months |
| Mobility test | Timed Up and Go test, 3-m plus return 3-m walking test (s) | up to 12 months |
| Leg muscles strength | strength of leg extensor muscles (N) | up to 12 months |
| Body balance | Body postural sway measuring during standing using Kistler force plate (Switzerland) (mm), eyes open and eyes closed | up to 12 months |
| Gait pattern | Gait kinematic characteristics measurement using three-dimensional movement analysis system and six optoelectronic cameras (BTS S.p.A. Italy) - joint angles (degrees) | up to 12 months |