What is Metatarsalgia? Reduction in the fibro fatty padding protecting the metatarsal heads (the bones which form the ball of the foot. Can sometimes be Symptoms Pain across the ball of the foot, worse after extended periods of weight bearing. Treatments • Metatarsal insoles to off load the ball of the foot and increase the padding on the foot. • Functional Foot Orthotics to improve foot biomechanics and improve loading through the metatarsal heads.