Shop Pain in Ball of Foot (Metatarsalgia) Metatarsalgia translates as pain in the metatarsals. The metatarsals are the long bones of the forefoot that run to the bases of each toe, these bones occupy the ball of the foot. Achilles Tendonitis Arch Pain Arthritis Athlete’s Foot Blisters Callus Cavus Foot HomeConditionsPain in Ball of Foot (Metatarsalgia) Foot Therapy Ball Coming in three sizes, 70mm 80mm & 100mm diameter, these therapy balls help strengthen the flexor muscles (gripping) in the toes of the foot.Stronger feet are comfier feet £8.95 + More Stay one steap ahead in the treatment of foot and lower limb conditions. Call the HealthyStep team on 01457 839549