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After anterior cruciate ligament reconstruction (ACL-R), Single Hop for Distance (SHD) performance aids in decision-making, particularly for return-to-sport assessments. However, asymmetrical landing kinematics are common after ACL-R, even with symmetrical performances, and increase the risk of re-injury. To support clinical practice, several qualitative scales have been developed as valid and reliable tools for assessing landing quality. In 2022, Measson et al. adapted the Landing Error Scoring System for use during an SHD task (SHD-LESS scale) and demonstrated its reliability among healthy individuals.
The aim of this study is to test the validity of this scale after ACL-R by evaluating its ability to identify asymmetrical landing and characterize differences between the operated and uninjured limb. The second objective is to assess its association with knee muscle strength, functional status and psychological readiness.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| ACL reconstruction group | All sports patients who had a muscle evaluation at 6 to 12 months after ACLR since March 2024 |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Landing error assessment during a SHD task using the SHD-LESS scale | Diagnostic Test | Participants will perform a 2D-camera-recorded SHD task, with the SHD-LESS scored by two sports medicine physicians. Additional tests include isokinetic muscle testing, as well as functional and psychological status assessments, following standard clinical practice. |
| Measure | Description | Time Frame |
|---|---|---|
| Single Hop for Distance, Landing Error Scoring System (SHD-LESS) scale | The LESS (Landing Error Scoring System) scale is a 13-item tool used to assess landing technique during a hop task. | One measurement during the visit at 6 to 12 months after surgery |
| Measure | Description | Time Frame |
|---|---|---|
| Strength | Measurement of knee extensors and flexors peak strength (in newton.meter, Nm) on isokinetic dynamometer | One measurement during the visit at 6 to 12 months after surgery |
| ACL-RSI questionnaire (Anterior Cruciate Ligament-Return to Sport after Injury) |
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Inclusion Criteria:
Exclusion Criteria:
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All sports patients included in the sport medicine follow-up protocole with isokinetic muscular assessment at 6-12 months after ACL reconstruction surgery since March 2024 in the sports medicine department (Return To Sport Process)
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Service de Médecine du sport, CHU Caen | Caen | France |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 35391866 | Background | Measson MV, Ithurburn MP, Rambaud AJ. Intra-rater Reliability of a Qualitative Landing Scale for the Single-Hop Test: A Pilot Study. Int J Sports Phys Ther. 2022 Apr 1;17(3):493-500. doi: 10.26603/001c.33066. eCollection 2022. | |
| 29549389 | Background | Welling W, Benjaminse A, Seil R, Lemmink K, Gokeler A. Altered movement during single leg hop test after ACL reconstruction: implications to incorporate 2-D video movement analysis for hop tests. Knee Surg Sports Traumatol Arthrosc. 2018 Oct;26(10):3012-3019. doi: 10.1007/s00167-018-4893-7. Epub 2018 Mar 16. |
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| ID | Term |
|---|---|
| D000070598 | Anterior Cruciate Ligament Injuries |
| ID | Term |
|---|---|
| D007718 | Knee Injuries |
| D007869 | Leg Injuries |
| D014947 | Wounds and Injuries |
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The ACL-RSI measures the patient's understanding of his knee. It comprises 12 questions with a score of 1 to 10 for each |
| One measurement during the visit at 6 to 12 months after surgery |
| International Knee Documentation Committee (IKDC) score | Knee level of function based on patient-reported measures from symptoms to daily activities. The IKDC score includes sections on knee symptoms (7 items), function (2 items), and sports activities (2 items), with scores ranging from 0 (lowest function, highest symptoms) to 100 (highest function, lowest symptoms). | One measurement during the visit at 6 to 12 months after surgery |