People focus on the hips and claim their hips are tight, but we don't necessarily consider that the lower back connects to our legs at the hip. Tight hip flexors make it more difficult for your pelvis to rotate properly, which can cause your lower back to overcompensate. Tight hip flexors can also make it more difficult to activate the glutes. Due to the fact that they are opposing muscle groups, when one becomes extremely tight, the other lengthens. When a muscle is abnormally stretched, a portion of its ability to contract is diminished.
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