Lordosis is an excessive inward curvature of the spine. There is normally a natural inward curve in the cervical and lumbar spine but an excessive curve (especially in the low back) may lead to swayback. Increased or decreased lordosis (flat back) can affect the spine by decreasing shock absorption which decreases the distribution of mechanical stress. Physical therapy can help through education in proper posture, exercises to strengthen muscles and address other contributing factors.
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