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What causes hallux rigidus?

Hallux rigidus is a progressive condition that affects the base of the big toe, making it difficult to bend the toe up or down. When cartilage wears down in the metatarsophalangeal (MTP) joint, the raw bone ends can rub together. As a result, a bone spur may develop and prevent the toe from bending as much as it needs. The condition can result from many factors, including differences in foot anatomy that increase the stress on the joint, fallen arches, rheumatoid arthritis, and past injuries that may have damaged the articular cartilage.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.