The Relationship between Active and Passive Flexibility of the Knee Flexors

SUMMARY Background. Hamstrings flexibility measurements are of both, research and clinical relevance for evaluation of the training progression, prognosis of acute hamstrings injuries and monitoring recovery from such injuries. The active knee extension test and the passive knee extension test are widely used for hamstrings flexibility evaluation. However, they are based on different neurophysiological mechanisms. Objective. The aim of this … Continued