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LEVEL OF EVIDENCE: 3B SUMMARY Background. Nordic hamstring test is a field-based test to estimate the hamstrings’ injury risk. The aim of this study was to investigate the relationship between Nordic hamstring test and isokinetic dynamometry in football and track and field student athletes. Methods. Knee flexor eccentric peak torque of hamstring, optimum length, and muscle balance indices were obtained in two seated and lying positions in 22 footballs and 22 track and field student athletes. The Nordic break point angle was also measured. Results. There were significant correlations between isokinetic dynamometry indices and breakpoint angles (P=0.000). Best predictors of break point angle were muscle balance indices and eccentric hamstring peak torques in lying position (P < 0.05). Conclusions. It seems that Nordic hamstring test is related to isokinetic dynamometry. This relationship is also dependent on the hip joint positioning. These findings may have implications in the assessment of athletic performance.

The Relationship between Nordic Hamstring Test and Isokinetic Dynamometry in Football and Track and Field Student Athletes: a Cross-Sectional Study