About this trial
The goal of this observational study is to evaluate psychological readiness, kinesiophobia, subjective knee function, sport activity level, and return-to-sport status in athletes who have undergone primary anterior cruciate ligament (ACL) reconstruction between 3 and 24 months after surgery.
The main questions it aims to answer are:
Do these outcomes differ across different postoperative time periods? Are they associated with return-to-sport status? Participants will complete questionnaires assessing psychological readiness (ACL-RSI), kinesiophobia (TSK), subjective knee function (IKDC), and sport activity level (Tegner), and will provide information about their return-to-sport status.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age ≥18 years.
History of unilateral primary anterior cruciate ligament (ACL) reconstruction.
Between 3 and 24 months after ACL reconstruction at the time of assessment.
Regular participation in sports before ACL injury with a preinjury Tegner Activity Scale score of ≥4.
Disqualifiers
Revision ACL reconstruction.
Reinjury or graft rupture of the reconstructed ACL.
Bilateral ACL injury.
History of ACL reconstruction in the contralateral knee.
Trial population
The study population will consist of athletes aged 18 years or older who have undergone unilateral primary anterior cruciate ligament (ACL) reconstruction and are between 3 and 24 months postoperatively. Participants must have regularly participated in sports before injury (preinjury Tegner Activity Scale score ≥4), be able to complete the study questionnaires in Turkish, and provide written informed consent.
Trial design
Cohort
Cross-sectional
Treatments tested in this trial
Not listed
Trial groups
Trial outcomes
Primary outcomes
Psychological readiness to return to sport [Anterior Cruciate Ligament-Return to Sport after Injury (ACL-RSI)]
Psychological readiness to return to sport assessed using the Anterior Cruciate Ligament-Return to Sport after Injury (ACL-RSI) scale. The 12-item scale evaluates psychological readiness to return to sport following ACL injury or reconstruction, including emotional response, confidence in performance, and risk appraisal. The total score ranges from 0 to 100, with higher scores indicating greater psychological readiness to return to sport.
Secondary outcomes
Kinesiophobia (Tampa Scale for Kinesiophobia [TSK])
Kinesiophobia assessed using the Tampa Scale for Kinesiophobia (TSK). Higher scores indicate greater fear of movement and reinjury. The TSK consists of 17 items, with each item scored on a 4-point response scale. The total score ranges from 17 to 68 points. Higher scores indicate greater levels of kinesiophobia and fear of movement/reinjury, whereas lower scores indicate lower levels of kinesiophobia.
Subjective knee function (International Knee Documentation Committee [IKDC] Subjective Knee Form)
Subjective knee function assessed using the International Knee Documentation Committee (IKDC) Subjective Knee Form. Scores range from 0 to 100, with higher scores indicating better perceived knee function.
Sport activity level (Tegner Activity Scale)
Sport activity level assessed using the Tegner Activity Scale. The scale ranges from 0 to 10, with higher scores indicating higher levels of physical activity and sports participation.
Return-to-sport status
Return-to-sport status will be assessed by determining whether participants have returned to their preinjury sport and whether they have returned to their preinjury level of sports participation at the time of assessment. Return-to-sport status will be assessed by classifying participants according to whether they have not returned to sport, have returned at a lower level than before injury, or have returned to their preinjury level of sports participation.
Sponsors and contacts
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