![]() Navicular Stress Fracture Test, Symptoms, Causes.Greater than 10 mm is considered in excessive foot pronation. ![]() So the difference in measurement is known as navicular drop. 1st height of navicular bone is checked at rest, and it is again checked after applying stress on both foot. In this test, the height of navicular bone is checked while patient stand in front of physician. Navicular drop test is performed to assess fracture specifically in navicular bone. Walk during casting is strictly prohibited because even a little walk will increase healing time up to 25 percent.Īt initial stage, X rays may show nothing but Magnetic resonance imaging or bone scan will clearly show fracture at navicular bone. It helps a lot in bone healing but it does not effect healing time. Other methods of treatment involve use of bone simulator. The success rate of casting is 85 to 90 percent. Patient have to rest for at-least 6 weeks because even slow walking absorbs navicular bone. Casting is preferred usually to treat stress fracture in navicular bone. A good blood supply is needed to heal it completely. There is poor blood supply in navicular bone, so treatment is difficult. The exact mechanism of navicular stress fracture is not known yet.Due to weight lifting at wrong angle or wrong training is the common cause.Training under Non professional trainer.Patient does not relax for sufficient time and body remains under stress so it leads to navicular stress fracture.He does not let his bones and muscles to relax, that's why stress increases and as a result fracture occurs. ![]()
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