Effects of a Perioperative Action Observation and Motor Imagery Training in Patients Undergoing Total Knee Arthroplasty

Study Overview
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Brief Summary
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The study is aimed at investigating the effects of action observation and motor imagery training in patients undergoing total knee arthroplasty. Fifty participants will be enrolled during hospital admission and randomized into 2 groups (AO+MI and CTRL groups). AO+MI will undergo 12-minute AO+MI intervention for 3 days (preoperative day, first and second postoperartive days), whereas CTRL group will undergo usual care. At baseline, first and third postoperative days, participants will be assessed for mobility, pain, range of motion, quadriceps acrivation failure and patient's bady-pain representation by a blinded operator.

Official Title
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Effects of a Perioperative Action Observation and Motor Imagery Training in Patients Undergoing Total Knee Arthroplasty

Conditions
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Total Knee Arthoplasty

Intervention / Treatment
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* Behavioral: Action observation and motor imagery
* Behavioral: Usual care


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: patients scheduled for total knee arthroplasty age greater or equal to 18 years old ability to walk independently. Exclusion Criteria: previous total knee arthoplasty on the contralateral side revision surgery dementia musculoskeletal and neurological disorders influencing functional recovery visual or auditory deficits. postoperative complications weight bearing restrictions lack of walking independency within the second postoperative day.

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 100 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: AO+MI<br>Video-clips observation representing motor contents, followed by motor imagery (12 minutes a day per 3 days). | Behavioral: Action observation and motor imagery<br>* Observation and imagination of functional tasks that will be performed during the postoperative rehabilitation program.<br>|
| Active Comparator: CTRL<br>Usual care, consisting of preoperative education. | Behavioral: Usual care<br>* Participants will be educated about the postoperative rehabilitation program<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Changes in functional mobility | It will be assessed using the Timed Up and Go test | At baseline, at 1 day and 3 days after surgery | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Changes in active and passive knee range of motion | It will be assessed using an inertial measurement unit | At baseline, at 1 day and 3 days after surgery | 
| Changes in perceived pain | It will be assessed using Numerical Rating Scale (0-10 points), where 0 means no pain and 10 means maximum pain. | At baseline and 3 days after surgery | 
| Changes in body pain representation at the level of the knee joint | It will be assessed using the Pain Drawing Body Chart | At baseline and 3 days after surgery | 
| Changes in quadriceps activation failure | It will be assessed using the Quadricpes Activation Battery | At baseline, at 1 day and 3 days after surgery |