The aim of this study is to verify the hypotheses that muscular coordination training of the core region in subjects showing increased hamstring stiffness results in an increase in anterior pelvic tilt and that there is a correlation between hamstring stiffness and anterior pelvic tilt. The two-group, non-blinded experimental controlled trial with three repeated measurements of the dependent variables. The experimental group received muscular coordination training during a period of two weeks, control group - no training. Thirty generally healthy subjects (9 women) were randomly assigned to the two equal groups. Passive knee extension test (hamstring stiffness); the range of anterior pelvic tilt (as measured in neutral standing position and during forward bending of the trunk). A significant decrease in the level of hamstring stiffness was recorded in the experimental group accompanied by an increase in anterior pelvic tilt. No significant changes were observed in the control group. There was a significant, negative, and moderate correlation between hamstring stiffness and anterior pelvic tilt with forward bending of the trunk).
Keywords: Core region; Muscular coordination; Pelvic tilt; Stiffness.
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