HOP TEST CLUSTER OF GUSTAVSSON The hop tests of Gustavsson test maximum single leg hop performance and performance under increasing fatigue. There are three tests: The vertical jump test, the hop for distance and the side hop test. The goal of the tests is to discriminate between the hop performance of the injured and the uninjured side in patients with an ACL injury and ACL reconstruction. ICC values for all tests ranged from 0.85 to 0.97, so all individual tests had high test–retest reliabilit