Correlação entre a dinamometria isocinética e a avaliação do salto vertical: uma revisão sistemática

Introduction: Isokinetic dynamometry (ID) has been considered a gold standard for the assessment of muscle function; however, it is questionable whether due to the characteristic of the test, it could not detect functional deficits. For a better outcome, it is expected that the performance on the test could be reproduced on specific tasks. Objective: To analyze the correlation between ID of lower limbs and the vertical jump (VJ) test. Methods: Studies which analyzed the correlation between any ID parameter and squat jump (SJ) and/or countermovement jump (CMJ) were searched in the PubMed database. Asymptomatic subjects of both sexes were accepted, aged 18 to 45 years old. Results: Seventeen studies were included for review. There was a large variation in the results, but most studies (n = 12) found significant correlations between some ID measures and VJ, showing moderate (n = 3), large (n = 6) and very large correlations (n = 3). The knee extensors peak torque is the ID parameter that best correlates with the VJ and the CMJ was the jump kind best correlated; the VJ height was the parameter most analyzed, showing correlations with the ID, however, the peak power had the best results. Conclusion: There are moderate to very large correlations between ID and VJ test, but they are not present in all populations. Measurement methodologies and data correction by body size and body mass may influence the results.