Cohort study finds preoperative quadriceps deficits worsen knee function after ACL reconstruction, suggesting surgery wait until limb strength deficit is under 20%.
Preoperative quadriceps muscle strength deficits and meniscus injuries have significant negative consequences for the long-term functional outcome after ACL reconstruction. From our findings we suggest that ACL reconstruction should not be performed before quadriceps muscle strength deficits of the injured limb is less than 20% of the uninjured limb.
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Eitzen et al. (2009) studied this question.
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