 In rare cases in which stress fracture occurs with a cavus foot, plantar fascia release may be appropriate.Stress fractures can occur at many sites in the body; "march fracture" simply refers to a stress fracture specifically of the metatarsals, so named because the injury is sometimes sustained by soldiers during sustained periods of marching.Although march fractures can occur to the 5th metatarsal, fractures of this bone are more likely to be trauma-related fractures to the diaphysis, termed Jones fractures.