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Introduction: Whole Body Vibration (WBV) is considered a new revolutionary strength training method. The purpose of this pilot study is to provide preliminary data on the effects of WBV training on maximum isometric knee extensor strength in rugby players. Materials and methods: Data were collected from 10 male rugby players with ages ranging from 18-36 years randomly recruited from the “Universitatea” Cluj-Napoca rugby team. They were equally divided into two groups: a Control group and a Vibration group. The subjects from the Vibration group were trained on the Fitvibe Excel Pro® vibration platform for three weeks (three times per week, 7 minutes per session). Pre and post training measurements of the maximum isometric knee extensor strength of both legs for all participants were performed on the KIN-COM® isokinetic dynamometer. Results: Mean age of the participants was 22.40 (±0.476) years. Mean height was 184.40 (±1.939) cm. Mean weight was 97.90 (±4.925) kg. After three weeks of WBV training, there was an increase in the maximum isometric strength of the right leg (P=0.020) of subjects from the Vibration group. A significant increase in maximum isometric knee extensor strength for both right leg (P=0.004) and left leg (P=0.006) was found in the rugby players exposed to WBV when compared with a Control group. Conclusions: The hypothesis of this pilot study was confirmed. Still, more research is needed, involving a larger number of participants, on the effects of long-term WBV training on the muscular performance of athletes.