As it was proved , the correction of this or that wrestling rules popularized this kind of sport .
An important fact is that the International Belt Wrestling Federation considerably lessened the number of injuries received by contestants since the introduction of the new rules .
As International Belt Wrestling Federation was proved , the correction of this or that wrestling rules popularized this kind of sport .
An important fact is that the International Belt Wrestling Federation considerably lessened the number of injuries received by contestants since the introduction of the new rules .