The strap that is adjustable on the plantar fasciitis sock lets you to adjust the dorsiflexion level to your liking by pulling your toes upwards to the knee as necessary. The tug on the toes cause the plantar fascia to stretch and once stretched (for an extended period of time over the course of a night) tissues are encouraged to heal and repair in a better posture, which reduces and alleviates the symptoms of plantar faciitis and the associated heel pain.
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