Gamification in Knee Replacement Rehabilitation (BEE-RCT)
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ClinicalTrials.gov Identifier: NCT03717727 |
Recruitment Status :
Active, not recruiting
First Posted : October 24, 2018
Last Update Posted : December 30, 2021
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After total knee arthroplasty (TKA), knee is usually swollen, painful, and stiff. The main goal of post-operative physical rehabilitation is to achieve full extension and flexion of the knee to avoid contractures and stiffness. Also strengthening of quadriceps muscle and balance to help activities of daily living and overall mobility are important. The post-operative knee replacement rehabilitation includes the standard protocol in hospital phase and the standard home exercise instructions. Computer based exercising games (exergames) may be new method to increase training adherence and volume after TKA and thus improve results and effectiveness of the rehabilitation. However, evidence of effectiveness of rehabilitative exergaming on physical functioning is sparse and more research is needed to conduct evidence-based rehabilitation practices.
Therefore the present study examines the effectiveness of a 16-week gamified physiotherapy on physical functioning, life satisfaction and pain for patients after TKA compared to treatment as usual home exercise. The second objective is to validate the psychometric properties of WHODAS 2.0 (WHO Disability Assessment Schedule) and brief ICF (International classification of functioning, disability and health) core set of osteoarthritis questionnaire. Other objectives are to find out, what kind of understanding and experiences the participants have about the rehabilitation with exergames and to evaluate the usability and user experience of exergames.
Condition or disease | Intervention/treatment | Phase |
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Knee Osteoarthritis | Other: Exergame Other: Control | Not Applicable |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 52 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Single (Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | Effectiveness of Gamification in Knee Replacement Rehabilitation. Randomized Controlled Trial and Qualitative Approach |
Actual Study Start Date : | November 27, 2018 |
Actual Primary Completion Date : | March 24, 2021 |
Estimated Study Completion Date : | December 31, 2021 |

Arm | Intervention/treatment |
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Experimental: Exergame
Home-based exergame intervention and usual treatment.
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Other: Exergame
16-week home-based exercise intervention with exergaming system and usual treatment.
Other Name: Gamified rehabilitation |
Experimental: Control
Home-exercise by standard protocol and usual treatment.
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Other: Control
16-week home-based exercise by standard protocol and usual treatment. |
- Change in Function and pain related to knee [ Time Frame: Change from pre-operative baseline at 2 and 4 months post-operative. ]Oxford Knee Score
- Change in Mobility [ Time Frame: Change from pre-operative baseline at 2 and 4 months post-operative. ]Timed Up and Go
- Change in Function and pain related to knee [ Time Frame: Change from pre-operative baseline at 12 months post-operative. ]Oxford knee score
- Change in Mobility [ Time Frame: Change from pre-operative baseline at 12 months post-operative. ]Timed Up and Go
- Change in Walking [ Time Frame: pre-operative baseline and 2, 4 and 12 months post-operative ]10-m Walking speed
- Change in Lower extremity performance [ Time Frame: pre-operative baseline and 2, 4 and 12 months post-operative ]Short Physical Performance Battery
- Change in Muscle strength [ Time Frame: pre-operative baseline and 2, 4 and 12 months post-operative ]Isometric knee extension and flexion strength
- Change in Knee range of motion [ Time Frame: pre-operative baseline and 2, 4 and 12 months post-operative ]Goniometer
- Change in knee pain (VAS) [ Time Frame: pre-operative baseline and 2, 4 and 12 months post-operative ]Visual analogue scale (0 to 100 mm), Constant score (0 to 100 points)
- Change in Disability [ Time Frame: pre-operative baseline and 2, 4 and 12 months post-operative ]WHO disability scale (WHODAS 2.0.)
- Change in Pain [ Time Frame: pre-operative baseline and 2, 4 and 12 months post-operative ]Knee injury and Osteoarthritis Outcome Score (KOOS) subscale on pain.
- Change in other symptoms such as swelling, restricted range of motion and mechanical symptoms [ Time Frame: pre-operative baseline and 2, 4 and 12 months post-operative ]Knee injury and Osteoarthritis Outcome Score (KOOS) subscale on symptoms
- Change in quality of life (QOL) [ Time Frame: pre-operative baseline and 2, 4 and 12 months post-operative ]Knee injury and Osteoarthritis Outcome Score (KOOS) subscale on QOL
- Change in activities of daily living (ADL) Function [ Time Frame: pre-operative baseline and 2, 4 and 12 months post-operative ]Knee injury and Osteoarthritis Outcome Score (KOOS) subscale on ADL
- Change in Sport and Recreation Function [ Time Frame: pre-operative baseline and 2, 4 and 12 months post-operative ]Knee injury and Osteoarthritis Outcome Score (KOOS) subscale on Sport and Recreation Function
- Physical activity [ Time Frame: Through study completion, an average of 1 year ]Physical activity diary
- Satisfaction with the operated knee [ Time Frame: 2, 4 and 12 months post-operative ]Questionnaire

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Ages Eligible for Study: | 60 Years to 75 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- first primary (M17.0, M17.1) unilateral TKA
- mechanical axis of the limb in varus
- model of the TKA is posterior stabilizing (PS) or cruciate retaining (CR) prosthesis
- normal vision with or without eyeglasses
Exclusion Criteria:
- fractures, rheumatoid arthritis, or other biomechanical disruptions in affected lower limb within one year before operation
- diagnosed memory disorder or cognitive impairment
- neurological condition as Parkinson's disease, multiple sclerosis or stroke

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03717727
Finland | |
Central Finland Central Hospital | |
Jyväskylä, Finland | |
University of Jyväskylä | |
Jyväskylä, Finland | |
Turku University Hospital | |
Turku, Finland | |
Turku University of Applied Sciences | |
Turku, Finland |
Principal Investigator: | Keijo Mäkelä | Turku University Hospital | |
Principal Investigator: | Ari Heinonen | University of Jyvaskyla |
Responsible Party: | University of Jyvaskyla |
ClinicalTrials.gov Identifier: | NCT03717727 |
Other Study ID Numbers: |
T226/2018 |
First Posted: | October 24, 2018 Key Record Dates |
Last Update Posted: | December 30, 2021 |
Last Verified: | December 2021 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Plan Description: | Sensitive parts of the data cannot be anonymized and thus cannot be openly published. Sensitive data will be stored in JYX (Jyväskylä University Digital Repository), only the metadata will be public, and access to the data can be requested and granted on certain conditions |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Total knee replacement Exergame Total knee arthroplasty |
Exercise Physiotherapy Physical functioning |
Osteoarthritis Osteoarthritis, Knee Arthritis |
Joint Diseases Musculoskeletal Diseases Rheumatic Diseases |