Clinical Scenario: Knee muscle strength weakness after anterior cruciate ligament (ACL) reconstruction is the most commonly seen impairment. Whole-body vibration (WBV) training has been shown to improve muscle strength in both healthy and injured individuals. However, it is not clear yet if WBV training has a beneficial effect in knee muscle strength recovery after ACL reconstruction. Clinical Question: Is adding WBV training to conventional rehabilitation more effective than conventional

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... litation at improving quadriceps and hamstring muscles strength in individuals who have undergone ACL reconstruction? Summary of Key Findings: After the literature was reviewed, 4 randomized controlled trials met the inclusion criteria and were included in this critically appraised topic. Clinical Bottom Line: There is moderate- to high-quality evidence to support that adding WBV to conventional rehabilitation programs can result in better improvement in knee muscle strength after ACL reconstruction. Strength of Recommendation: Findings from 4 randomized controlled trials indicate that there is level B evidence supporting that WBV is effective for knee muscle strength recovery in patients who had undergone ACL reconstruction.