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12 de dic. de 2023 · The reactive strength index measures the reactive jump capacity of athletes, and how they cope with the stress from plyometric exercises.
18 de oct. de 2023 · The reactive strength index (RSI) is a test designed to measure an athlete’s reactive jump capacity, specifically how well an athlete is able to cope with stresses applied through landing in jumping and plyometric activities.
8 de dic. de 2020 · The 10/5 repeated jumps test (RJT) was first introduced by Harper, Hobbs and Moore as an alternative method for evaluating reactive strength index (RSI) in athletes. This test requires the subject to execute 10 maximal vertical rebound jumps, whilst attempting to maintain a ground contact time (GCT) of <250 ms.
This test involves the athlete performing a single countermovement jump, immediately followed by a series of 10 repeated, bilateral hops. The best 5 RSI scores are then averaged to give the athlete’s true RSI.
24 de nov. de 2023 · An immediate rebound jump is performed. This provides an opportunity to assess slow (CMJ) and fast (rebound jump) stretch shortening cycle (SSC) mechanics in a single test. In other words, it tests the athlete’s ability to perform both powerful and rapid movements – which are essential in sport.
1 de oct. de 2019 · Purpose: To examine the interday reliability and usefulness of a reactive strength index (RSI) derived from a maximal 5-rebound jump test (5max RJT) and a maximal 10-rebound jump test (10/5 RJT).
THE REBOUND JUMP TEST. The rebound jump offers a quick and simple alternative to the incremental DJ-RSI test. We are assessing the same reactive strength quality although possibly at a lower intensity of eccentric loading. In the rebound jump, the athlete performs a single countermovement jump, but upon landing immediately jumps again.
