Korean J Sports Med.  2014 Dec;32(2):139-143. 10.5763/kjsm.2014.32.2.139.

The Correlation of the Evaluation of Quality of Life Depends on Knee Strength after 1-Year an Anterior Cruciate Ligament Reconstruction

  • 1Division of Sports Medicine, Department of Physical and Rehabilitation Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. hrmax1@naver.com


The life situation has been changed in patients who underwent anterior cruciate ligament (ACL) rupture and subsequent reconstruction. The main purpose
of this study was to assess the quality of life (QOL) of patients with ACL reconstruction through Short-Form 36 (SF-36) survey. And secondary aim was to investigate a relationship between health-related QOL survey and the correlation of results with other clinical test. 70 patients (age, 32.0+/-11.7 years) with an after 1 year ACL reconstruction participated in this study. As clinical evaluations, the SF-36 Questionnaire was used for the QOL and isokinetic strength test was performed for the knee extensors and flexors. And the anterio tibial translation was measured by KT-2000. Spearman's correlation coefficient showed significant correlations between knee strength (extensor and flexor) deficit and SF-36 score including physical functioning, bodily pain, vitality, social function score (p<0.05). However, there was no correlation between SF-36 scores and mean ratio of anterior tibial translation (p>0.05). In conclusion, the Knee strength is significantly associated with QOL. Therefore after ACL reconstruction, a speedy recovery of muscular strength will help to improve the QOL.


Anterior cruciate ligament injury; Reconstruction; Quality of life; Short-form 36
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