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People with osteoarthritis (OA) of the knee attending The Alfred hospital will be invited to participate in a randomised controlled trial comparing two different types of knee taping. Both groups will also be prescribed an exercise program to assist in management of their knee OA.
Hypothesis are as follows:
Interventions:
Participants in both groups will attend physiotherapy on 4 occasions, in addition to an initial appointment where baseline data will be collected.
All participants will be provided with an individualised home exercise program. This will be provided based on the investigators' clinical experience and evidence based programs. The participant will be provided with a handout detailing the exercises they are to complete, including dosage. If there is excessive pain or difficulty associated with completing an exercise the participant will be advised to cease that particular exercise until they have been reviewed by the researcher the following week.
Participants will have their knee taped according to either the therapeutic flexible taping protocol, or the placebo taping protocol depending on which group they have been randomly allocated to on three occasions at one week intervals. All participants will be provided with written information regarding tape allergies and when to remove the tape from their knee. To control for the Hawthorne effect participants will not be aware of whether they are in the intervention or placebo group.
Participants will attend for appointments once per week for three weeks. They will then have a three week period of no intervention and return for a review and completion of the study. At this time the participant can be referred for further physiotherapy intervention as is clinically indicated. This may include physiotherapy at The Alfred Hospital, private practice or the participants' local health services.
If at anytime a participant wishes to withdraw from the study they can be referred by the investigators to continue their physiotherapy in the appropriate setting.
Sample size calculations: The investigators hypothesise that the combination of taping and an exercise program will give rise to clinically significant improvements in functional capacity, symptoms and quality of life. If there is truly no difference in the change in VAS between placebo and therapeutic based groups, then 30 patients are required to be 90% sure that the 95% confidence interval will exclude a difference in means of more than 20mm. This has been demonstrated by Tubach and colleagues in 2005. This assumes a standard deviation of the change in VAS of 21.5. Due to participant attrition anticipated an additional 20% will be recruited to the sample. This will total 36 participants in total.
Feasibility: The osteoarthritis hip and knee clinic at The Alfred hospital review approximately 13 patients per week of which the majority would be appropriate for inclusion in this trial. There are also many referrals from orthopaedics, rheumatology and emergency for patients who will be appropriate for inclusion. It is therefore anticipated that recruitment to the study will not be a barrier to completion of this trial.
Statistical analysis: All data will be analysed by intention to treat. Continuous variables will be analysed using analysis of covariance, controlling for baseline values and recruitment centre. The proportion of participants who complete the program will be compared between groups using a chi-squared test and the relative risk of non-completion will be determined. Alpha will be set at 0.05
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Sham tape | Sham Comparator |
Participants in both groups will also be prescribed an individualised home exercise program by a physiotherapist. |
|
| Flexible tape | Experimental | Flexible tape (rocktape brand) applied as follows: First piece of tape 10 cm wide and 32cm long (length of a standard goniometer). Split down centre 18cm from 1 end. Second piece of tape 5cm wide and 14cm long. Tape applied in 90 degrees knee flexion Applied with no tension in proximal and distal ends. 30% tension to un-split portion placed over quads. 50% tension to split portion placed either side of patella and crossing over at tibial tuberosity Additional piece of 5cm wide flexible tape applied with 80% tension over patella tendon, with no tension in 3cm from ends All tape corners rounded Participants in both groups will also be prescribed an individualised home exercise program by a physiotherapist. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Flexible tape | Other | Flexible, elasticised, adhesive athletic tape |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change in pain on visual analogue scale | • Pain on a Visual Analogue Scale (VAS) over last 48hrs at rest and movement. Anchors used will be no pain and worst imaginable pain. The VAS has been found to be valid, reliable and sensitive to change in this population (Tubach et al, 2005) | baseline, 0,3 and 6 weeks after commencement of intervention |
| Measure | Description | Time Frame |
|---|---|---|
| Chang in Knee injury and osteoarthritis outcome score (excluding sport domain) | The KOOS, a valid and reliable functional questionnaire in patients with knee conditions covering the domains of function, symptoms, quality of life and sport . Sport will not be included in analysis as this is not relevant to the study population. | baseline, one week, three weeks and six weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Change in 30 sec STS test | The maximum number of chair stand repetitions possible in a 30 second period as per protocol available at: http://www.oarsi.org/sites/default/files/docs/2013/manual.pdf | baseline, 1 week from baseline with no intervention (control period), immediately after the first tape application (one week), three weeks and six weeks |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Kim L McManus, B, Physio | The Alfred | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| The Alfred Hospital | Prahran | Victoria | 3141 | Australia |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 15208174 | Background | Tubach F, Ravaud P, Baron G, Falissard B, Logeart I, Bellamy N, Bombardier C, Felson D, Hochberg M, van der Heijde D, Dougados M. Evaluation of clinically relevant changes in patient reported outcomes in knee and hip osteoarthritis: the minimal clinically important improvement. Ann Rheum Dis. 2005 Jan;64(1):29-33. doi: 10.1136/ard.2004.022905. Epub 2004 Jun 18. | |
| 20851051 |
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| ID | Term |
|---|---|
| D010003 | Osteoarthritis |
| D009043 | Motor Activity |
| ID | Term |
|---|---|
| D001168 | Arthritis |
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
| D012216 | Rheumatic Diseases |
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| ID | Term |
|---|---|
| D015444 | Exercise |
| D055070 | Resistance Training |
| ID | Term |
|---|---|
| D009043 | Motor Activity |
| D009068 | Movement |
| D009142 | Musculoskeletal Physiological Phenomena |
| D055687 | Musculoskeletal and Neural Physiological Phenomena |
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| Fixomull | Other |
|
|
| Exercise | Other | Participants in both groups will be prescribed a home exercise program to complete. |
|
|
| Change in time taken to climb 3 steps |
The time (in seconds) it takes to ascend and descend a 3 stairs as per protocol available at: http://www.oarsi.org/sites/default/files/docs/2013/manual.pdf |
| baseline, 1 week from baseline with no intervention (control period), immediately after the first tape application (one week), three weeks and six weeks |
| Change in time to complete 40m walk test | A fast-paced walking test that is timed over 4 x 10m (33 ft) for a total 40 m (132 ft) as per protocol available at: http://www.oarsi.org/sites/default/files/docs/2013/manual.pdf | baseline, 1 week from baseline with no intervention (control period), immediately after the first tape application (one week), three weeks and six weeks |
| Change in pain on visual analogue scale (VAS) during 30 sec sit to stand test | Once 30sec sit to stand is completed participants to rate pain on VAS | prior to initial knee taping and 30mins later following knee tape |
| Change in pain on visual analogue scale (VAS) 40m walk test | Once 40m walk test is completed participants to rate pain on VAS | prior to initial knee taping and 30mins later following knee tape |
| Change in pain on visual analogue scale (VAS) 3 stair climb test | Once 3 stair climb test is completed participants to rate pain on VAS | prior to initial knee taping and 30mins later following knee tape |
| Change in amount of weekly analgesia medication consumed | Participants will be asked to keep a record of the number of tablets they take per week for pain relief. This will be compared within each particiapnt over the first four weeks of the study period. | weekly for 4 weeks |
| Bennell KL, Hinman RS. A review of the clinical evidence for exercise in osteoarthritis of the hip and knee. J Sci Med Sport. 2011 Jan;14(1):4-9. doi: 10.1016/j.jsams.2010.08.002. Epub 2010 Sep 17. |
| 34555671 | Derived | McManus KL, Kimmel LA, Holland AE. Rocktape provides no benefit over sham taping in people with knee osteoarthritis who are completing an exercise program: a randomised trial. Physiotherapy. 2021 Dec;113:29-36. doi: 10.1016/j.physio.2021.05.005. Epub 2021 May 17. |
| D001519 |
| Behavior |
| D005081 | Exercise Therapy |
| D012046 | Rehabilitation |
| D000359 | Aftercare |
| D003266 | Continuity of Patient Care |
| D005791 | Patient Care |
| D013812 | Therapeutics |
| D026741 | Physical Therapy Modalities |
| D064797 | Physical Conditioning, Human |