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| Name | Class |
|---|---|
| Research Foundation Flanders | OTHER |
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Anterior cruciate ligament (ACL) injuries are common in sports and often require a long and challenging rehabilitation process. Athletes who sustain these injuries typically engage in pivoting and cutting sports, where these motor tasks must be performed simultaneously with cognitive tasks such as decision-making and keeping an eye on the opponent. Directing attention to both cognitive and motor tasks leads to cognitive-motor interference, which is associated with movement patterns that increase the risk of ACL (re)injury.
Therefore, it is crucial that before returning to such demanding sports after ACL reconstruction, athletes sufficiently develop and automate safe yet efficient motor skills to free up attentional capacity for decision-making, thereby reducing the risk of suboptimal movement patterns and reinjury.
However, current rehabilitation programs often primarily focus on the motor component in a single-task manner, giving insufficient attention to the cognitive component that is inseparable from sports.
This randomized controlled trial aims to investigate the effects of implementing motor-cognitive dual tasks in the end phase rehabilitation after ACL reconstruction on muscle function, functional outcomes, and patient-reported outcomes.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Dual task training | Experimental | Patients will recieve 12 sessions (2x/week) of standard of care exercise-based physiotherapy with implementation of cognitive dual task training. This implies that the patients will perform cognitive tasks simultaneously during at least 50% of their physical rehabilitative exercises. |
|
| Standard of care physiotherapy | Active Comparator | Patients will recieve 12 sessions (2x/week) of standard of care exercise-based physiotherapy without implementation of cognitive dual task training. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Cognitive dual task training (intervention group) | Other | Simultaneously performing cognitive tasks and motor rehabilitative exercises. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Psychological readiness to return to sport | Questioned using the ACL-RSI. Scores range from 0 to 100. Higher scores indicate higher psychological readiness. | 5 months post ACL reconstruction (= prior to intervention); 7 months post ACL reconstruction (= after the intervention); 9 months post ACL reconstruction (= after a 2 month retention period) |
| Quadriceps and hamstrings activity / cocontraction during hop tasks | Electromyographical measurement of quadriceps and hamstrings activation during hop tasks. | 5 months post ACL reconstruction (= prior to intervention); 7 months post ACL reconstruction (= after the intervention); 9 months post ACL reconstruction (= after a 2 month retention period) |
| Patient reported knee function | Questioned using the Knee Injury and Osteoarthritis Outcome Score (KOOS) with its different subscores. Scores on the KOOS range from 0-100, with 0 representing the greatest possible problems in terms of knee function and 100 representing no problems. | 5 months post ACL reconstruction (= prior to intervention); 7 months post ACL reconstruction (= after the intervention); 9 months post ACL reconstruction (= after a 2 month retention period) |
| Jumping height in hop tests | Performance in single hop tests and a single leg drop-jump expressed by jump height in centimeters. | 5 months post ACL reconstruction (= prior to intervention); 7 months post ACL reconstruction (= after the intervention); 9 months post ACL reconstruction (= after a 2 month retention period) |
| Activity level | Questioned using the Tegner Score. The scores range from 0 to 10, with higher scores indicating higher activity levels. | 5 months post ACL reconstruction (= prior to intervention); 7 months post ACL reconstruction (= after the intervention); 9 months post ACL reconstruction (= after a 2 month retention period) |
| Measure | Description | Time Frame |
|---|---|---|
| Quadriceps and hamstrings strength | Measured on the biodex. | 5 months post ACL reconstruction (= prior to intervention); 7 months post ACL reconstruction (= after the intervention); 9 months post ACL reconstruction (= after a 2 month retention period) |
| Kinesiophobia |
| Measure | Description | Time Frame |
|---|---|---|
| Duration of ground contact in hop tests | Performance in single hop tests and a single leg drop-jump expressed by the duration of ground contact. | 5 months post ACL reconstruction (= prior to intervention); 7 months post ACL reconstruction (= after the intervention); 9 months post ACL reconstruction (= after a 2 month retention period) |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Evy Deschaumes, MSc | Contact | +32 9 332 5503 | evy.deschaumes@ugent.be | |
| Erik Witvrouw, prof. dr. | Contact | +32 9 332 26 32 | erik.witvrouw@ugent.be |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| AZ Delta Roeselare (Campus Brugsesteenweg) | Recruiting | Roeselare | West-Vlaanderen | 8800 | Belgium |
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| Standard of care physiotherapy (control group) | Other | The current best physical therapy treatment for patients with anterior cruciate ligament reconstruction based on existing scientific evidence. |
|
| Voluntary quadriceps activation | A force-based isometric biodex measurement using the interpolated twitch/superimposed burst technique. | 5 months post ACL reconstruction (= prior to intervention); 7 months post ACL reconstruction (= after the intervention); 9 months post ACL reconstruction (= after a 2 month retention period) |
Questioned using the Tampa Scale of Kinesiophobia (TSK). Scores on the TSK range from 17 to 68, with higher scores indicating more kinesiophobia. |
| 5 months post ACL reconstruction (= prior to intervention); 7 months post ACL reconstruction (= after the intervention); 9 months post ACL reconstruction (= after a 2 month retention period) |
| Subjective knee stability | Questioned using the first question of the Lysholm questionnaire. Scores range from 0 to 25 with 25 indicating no symptoms of subjective instability. | 5 months post ACL reconstruction (= prior to intervention); 7 months post ACL reconstruction (= after the intervention); 9 months post ACL reconstruction (= after a 2 month retention period) |
| The amount of pain that the subjects experience. | Questioned using a Numeric Rating Scale. The scores range between 0 and 10 with 10 0representing the highest level of pain. | 5 months post ACL reconstruction (= prior to intervention); 7 months post ACL reconstruction (= after the intervention); 9 months post ACL reconstruction (= after a 2 month retention period) |
| Performance in the T-agility test |
It will be measured how much time subjects require to complete a T-agility test. |
| 5 months post ACL reconstruction (= prior to intervention); 7 months post ACL reconstruction (= after the intervention); 9 months post ACL reconstruction (= after a 2 month retention period) |
| Strength endurance during timed single leg step down and timed single leg squat | The strength endurance of the subjects will be evaluated by the amount of repetitions they can perform in a time span of 30 seconds. | 5 months post ACL reconstruction (= prior to intervention); 7 months post ACL reconstruction (= after the intervention); 9 months post ACL reconstruction (= after a 2 month retention period) |
| Expectations regarding return to sport | Questioned using the Tegner Score: 'how active do you want to be at the end of your rehabilitation?'. The scores range from 0 to 10, with higher scores indicating higher activity levels. | 5 months post ACL reconstruction (= prior to intervention); 7 months post ACL reconstruction (= after the intervention); 9 months post ACL reconstruction (= after a 2 month retention period) |
| ID | Term |
|---|---|
| D000070598 | Anterior Cruciate Ligament Injuries |
| ID | Term |
|---|---|
| D007718 | Knee Injuries |
| D007869 | Leg Injuries |
| D014947 | Wounds and Injuries |
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| ID | Term |
|---|---|
| D035061 | Control Groups |
| ID | Term |
|---|---|
| D015340 | Epidemiologic Research Design |
| D004812 | Epidemiologic Methods |
| D008919 | Investigative Techniques |
| D012107 | Research Design |
| D008722 | Methods |
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