Each foot has five metatarsals, which are long bones that support the toes. When the foot pushes off the ground, the entire weight of the body is distributed across these bones and their related joints.
‘Fat pads’ located under the foot cushion provide shock absorption to the metatarsal joints. Abnormal pressure across the metatarsal heads can lead to calluses, plantar corns, nerve and joint pain, and loss of fat pad. Any foot structure that produces imbalanced weight-bearing can result in these problems.