Effect of Action Observation and Motor Imagery on Arthrogenic Muscle Inhibition of the Quadriceps in Patients With End-stage Knee Gonarthrosis.
NCT ID: NCT06000345
Last Updated: 2023-08-21
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
NA
30 participants
INTERVENTIONAL
2023-01-01
2023-09-30
Brief Summary
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30 patients with end-stage knee osteoarthritis were enrolled. Patients were randomized in two groups (experimental group and control group).
Experimental group performed one 6-minutes AOT and MI session with motor content of concentric and isometric QF contractions, whereas control group underwent a 6-minute sham AOT and MI session. Every patient was evaluated to assess the percentage of AMI on the QF before (T0) and after (T1) the treatment following the gold standard Twitch Interpolated Technique.
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Detailed Description
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30 patients with end-stage knee osteoarthritis were enrolled. Patients were randomized in two groups (experimental group and control group).
Experimental group performed one AOT and MI session with motor content of concentric and isometric QF contractions, whereas control group underwent a 6-minute sham AOT and MI session. Every patient was evaluated to assess the percentage of AMI on the QF before (T0) and after (T1) the assigned treatment following the gold standard Twitch Interpolated Technique. Both groups sat on an isometric dynamometric chair (COR1, OT-Bioelettronica, Torino) with a load cell (FORZA, OT-Bioelettronica, Torino) designed to detect and map the strenght generated by the QF muscle. Upper body movements were limited by crossover shoulder harnesses, a belt across the abdomen and the subjects were asked to keep their arms crossed holding onto the harness while performing the evaluation.
Three large electrodes (10x13cm) were positioned over the quadriceps muscle belly. Two sEMG electrodes (FREEEMG, BTS, Italy) were positioned on the Vastus Medialis and Vastus Lateralis using the SENIAM protocol.
Right after the first evaluation (T0), both groups performed an AOT session. The experimental group was shown a video (4 minutes) in which a subject (matched for age, sex, and limb affected) performed, in third person view, quadriceps concentric contractions for 2 minutes and isometric contractions for 2 minutes. The video contained visual elements indicating the maximality of the effort. After both concentric movement video and isometric movement video the subjects performed a MI session (2 sessions, 1 minute in length each), in which they were asked to imagine in first person the action just seen in the video.
On the other hand, the control group was shown a video of landscapes (4 minutes in length). Halfway through and at the end of the video they were asked to imagine what they had just seen for 1 minute. After the session of AOT and MI (T1) both groups were re-evaluated in the same way as previously described.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
DOUBLE
Study Groups
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AOT + MI group
The AOT + MI group was shown a video (4 minutes) in which a subject (matched for age, sex, and limb affected) performed, in third person view, quadriceps concentric contractions for 2 minutes and isometric contractions for 2 minutes. The video contained visual elements indicating the maximality of the effort. After both concentric and isometric movement video the subjects performed a MI session (1 minute in length each), in which they were asked to imagine in first person the action previously observed in the video.
AOT + MI
During the AOT session, the patients were shown a video containing motor contents. In particular, the video demonstrated quadriceps concentric and isometric contractions, presented in the third person perspective. At the conclusion of each video, the patients were asked to spend 1 minute imagining what they had just seen.
Control group
The control group was shown a video of landscapes (4 minutes in length). Halfway through and at the end of the video they were asked to imagine what they had just seen for 1 minute.
Control AOT + MI
The control group was shown a video of landscapes (4 minutes in length). Halfway through and at the end of the video they were asked to imagine what they had just seen for 1 minute.
Interventions
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AOT + MI
During the AOT session, the patients were shown a video containing motor contents. In particular, the video demonstrated quadriceps concentric and isometric contractions, presented in the third person perspective. At the conclusion of each video, the patients were asked to spend 1 minute imagining what they had just seen.
Control AOT + MI
The control group was shown a video of landscapes (4 minutes in length). Halfway through and at the end of the video they were asked to imagine what they had just seen for 1 minute.
Eligibility Criteria
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Inclusion Criteria
* Active knee flexion \> 45°
Exclusion Criteria
* Concomitant neurological, orthopedic, cardiovascular disorders
* Cognitive impairments or psychiatric disorders
40 Years
80 Years
ALL
No
Sponsors
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Istituto Clinico Humanitas
OTHER
Responsible Party
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Locations
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Istituto Clinico Humanitas
Rozzano, , Italy
Countries
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Central Contacts
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Facility Contacts
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Other Identifiers
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CLF22/07
Identifier Type: -
Identifier Source: org_study_id
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