Tight hip flexors are generally the cause of inactivity and are consequently very common with many of us working several hours a day sitting down. This inactivity and lack of stretching causes your hip flexors to shorten and creates compensatory changes in the function of your pelvis and lower back.... Tight hip flexors are generally the cause of inactivity and are consequently very common with many of us working several hours a day sitting down. This inactivity and lack of stretching causes your hip flexors to shorten and creates compensatory changes in the function of your pelvis and lower back....

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