Development and preliminary validation of a scale to measure the psychological impact
      of returning to sport following anterior cruciate ligament reconstruction surgery

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Abstract

The purpose of this study was to develop a scale to measure the psychological impact of returning to sport after anterior cruciate ligament (ACL) reconstruction surgery. Three types of psychological responses believed to be associated with resumption of sport following athletic injury--emotions, confidence in performance, and risk appraisal--were incorporated into a 12-item ACL-Return to Sport after Injury (ACL-RSI) scale. Two hundred and twenty participants who had undergone ACL reconstruction completed the scale between 8 and 22 months following surgery. The scale was shown to have acceptable reliability (Cronbach's alpha=0.92). Participants who had given up sport scored significantly lower on the scale (reflecting a more negative psychological response) than those who had returned or were planning to return to sport (p<0.001). It was concluded that the decision to return to sport after ACL reconstruction is associated with a significant psychological response. Preliminary reliability and validity was found for the ACL-RSI scale. This scale may help to identify athletes who will find sport resumption difficult.

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Most cited references 18

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Uses of factor analysis in counseling psychology research.

Howard E. Tinsley, Diane J. Tinsley (1987)

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Fear of re-injury: a hindrance for returning to sports after anterior cruciate ligament reconstruction.

Lars Good, Joanna Kvist, Anna Ek … (2005)

Unrestricted participation in sports activities and return to the pre-injury level is often reported as an indicator of the success of ACL reconstruction. The athletes' choice not to return to their pre-injury level may depend on the knee function, but some times, social reasons or psychological hindrances such as fear of re-injury may influence their return to sports. The aim of this study was to investigate whether fear of re-injury due to movement is of significance for returning to previous level of activity in patients who have undergone anterior cruciate ligament reconstruction. The Tampa Scale of Kinesiophobia (TSK), the Knee Injury and Osteoarthritis Outcome Score (KOOS) and some general questions were mailed to 87 patients who underwent ACL reconstruction 3-4 years before the study was conducted. Sixty-two patients (74%) answered the questionnaires (34 men and 28 women). Fifty-three percent of the patients returned to their pre-injury activity level. The patients who did not return to their pre-injury activity level had more fear of re-injury, which was reflected in the TSK. In addition, high fear of re-injury was correlated with low knee-related quality of life. Fear of re-injury must be considered in the rehabilitation and evaluation of the effects of an ACL reconstruction.

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A new instrument for measuring self-efficacy in patients with an anterior cruciate ligament injury.

B Eriksson, M Börjesson, P Währborg … (2006)

It has been suggested that self-efficacy belief is of major importance for rehabilitation outcome after sports-related injuries. No instruments are, however, available to evaluate perceived self-efficacy for prognostic and outcome expectations in patients with an anterior cruciate ligament (ACL) injury. Perceived self-efficacy is defined as a judgment of one's potential ability to carry out a task, rather than a measure of whether or not one actually can or does perform the task. The purpose of this study was to develop a reliable and valid instrument for measuring perceived self-efficacy in patients with an ACL injury. A total of 210 male and female patients with an ACL injury were included in this study. The items were generated by health professionals with long clinical experience of patients with an ACL injury and by discussions with patients. After item analysis and item reduction, based on the results from 88 patients, the final 22-item version of the Knee Self-Efficacy Scale (K-SES) was evaluated in 18 patients for test-retest reliability and in 104 patients for internal consistency and validity. The K-SES was compared with the Multidimensional Health Locus of Control (MHLC), Coping Strategies Questionnaire (CSQ), SF-36 and Knee Injury and Osteoarthritis Outcome Score (KOOS) instruments. A factor analysis was also performed on the K-SES. The test-retest revealed a correlation of r(s)=0.73 between test-days and an intraclass correlation coefficient of 0.75. No significant difference between test-days was found. The internal consistency was 0.94, as calculated with Cronbach's alpha. There were low correlations between the K-SES and MHLC and the K-SES and CSQ, respectively. A strong correlation was found between the K-SES and physical functioning, as measured by the SF-36 (r(s)=0.8). All the sub-scales in the KOOS correlated moderately to strongly (r(s)=0.4-0.7) to the K-SES. The factor analysis produced two factors of importance. Factor one was related to how patients perceived their present physical performance/function, while factor two was related to how patients perceived the future physical performance/prognosis of their knee. Good reliability and good face, content, construct and convergent validity were demonstrated for this new instrument (K-SES) for measuring perceived self-efficacy in patients with an ACL injury. The K-SES is recommended for studies designed to evaluate prognostic and outcome expectations of perceived self-efficacy in patients with an ACL-insufficient knee.