There are many reasons for pain in the middle of the instep, mainly seen in dorsalis pedis fasciitis, trauma, gout and so on.
1. Dorsalis pedis fasciitis: when the dorsum of the foot is overloaded, resulting in obvious spasm and edema of the dorsum of the foot muscles, and the formation of aseptic inflammation, the pain in the middle of the back of the foot will be triggered.
2. Trauma: pain in the back of the foot can also occur when external impact or abrasion leads to localized soft tissue injury or fracture of the skin.
3. Gout: Pain can also occur when high levels of uric acid in the blood lead to the deposition of gout crystals in the joints.
There may also be other causes of pain in the middle of the back of the foot, such as bone spurs, osteoarthritis, etc. It is recommended to consult a doctor in time, improve the relevant examinations, and clarify the cause of the disease for targeted treatment and therapy.