A fall, severe twist, or direct trauma to the navicular bone.
Causes. A navicular fracture can be caused by a fall, severe twist, or direct trauma to the navicular bone. It can also be caused by repeated stress to the foot, creating a stress fracture unrelated to acute trauma. Factors that may increase your chance of a navicular fracture include: 1  Trauma. 2  High-impact sports, such as track and field, gymnastics, tennis, or basketball. 3  Being an adolescent. 4  In women, abnormal or absent menstrual cycles. 5  Military recruits. 6  Osteoporosis or other bone conditions. A navicular fracture is a fracture of the navicular bone of the foot, a bone on the top of the midfoot. Athletes are particularly susceptible to fractures of the navicular bone. (There is also a navicular bone in the wrist.). Navicular Bone of the Foot. A navicular fracture can be caused by a fall, severe twist, or direct trauma to the navicular bone. It can also be caused by repeated stress to the foot, creating a fracture not due to any acute trauma (a stress fracture). A navicular fracture is a break in a small bone on the thumb side of your wrist. Of the eight carpal bones in your wrist, your navicular bone is the most likely one to break. If the bone is broken, you may have: 1  Pain, tenderness, or swelling on the thumb side of your wrist. 2  A hard time grabbing or gripping things or moving and twisting your wrist or thumb. Because most navicular fractures do not cause the wrist to look broken and many cause only minor symptoms, it can be hard to know if your navicular bone is broken. If the bone is broken, you may have: 1  Pain, tenderness, or swelling on the thumb side of your wrist. 2  A hard time grabbing or gripping things or moving and twisting your wrist or thumb. A scaphoid fracture, a fracture of the scaphoid bone also known as the carpal navicular, is the most common type of carpal bone fracture. Scaphoid fractures usually cause pain at the base of the thumb accompanied by swelling in the same area. These are also called navicular fractures (the scaphoid also being called the carpal navicular) as navicular is the traditional name for the scaphoid bone, although this can be confused with the navicular bone in the foot. Treatment depends on the location of th Because most navicular fractures do not cause the wrist to look broken and many cause only minor symptoms, it can be hard to know if your navicular bone is broken. If the bone is broken, you may have: 1  Pain, tenderness, or swelling on the thumb side of your wrist. A navicular fracture is a break in a small bone on the thumb side of your wrist. Of the eight carpal bones in your wrist, your navicular bone is the most likely one to break. It is important to find out if you have a navicular fracture, because navicular fractures need treatment to heal well A navicular fracture is a fracture of the navicular bone of the foot, a bone on the top of the midfoot. Athletes are particularly susceptible to fractures of the navicular bone. (There is also a navicular bone in the wrist.). Factors that may increase your chance of a navicular fracture include: 1  Trauma. 2  High-impact sports, such as track and field, gymnastics, tennis, or basketball. 3  Being an adolescent. 4  In women, abnormal or absent menstrual cycles. 5  Military recruits. 6  Osteoporosis or other bone conditions. Navicular Fracture. A navicular fracture is a fracture of the navicular bone of the foot, a bone on the top of the midfoot. Athletes are particularly susceptible to fractures of the navicular bone. Definition. A navicular fracture is a fracture of the navicular bone of the foot, a bone on the top of the midfoot. Athletes are particularly susceptible to fractures of the navicular bone. (There is also a navicular bone in the wrist.). A navicular fracture can be caused by a fall, severe twist, or direct trauma to the navicular bone. It can also be caused by repeated stress to the foot, creating a fracture not due to any acute trauma (a stress fracture)
http://www.mountsinai.org/patient-care/health-library/diseases-and-conditions/navicular-fracture http://www.lifescript.com/health/a-z/conditions_a-z/conditions/n/navicular_fracture.aspx http://www.webmd.com/a-to-z-guides/scaphoid-fracture-of-the-wrist-overview http://www.webmd.com/a-to-z-guides/scaphoid-fracture-of-the-wrist-overview https://en.wikipedia.org/wiki/Scaphoid_fracture http://www.cigna.com/healthwellness/hw/medical-topics/navicular-fracture-of-the-wrist-tp23465spec http://www.mountsinai.org/patient-care/health-library/diseases-and-conditions/navicular-fracture http://www.orlandohealth.com/conditions/navicular-fracture
what causes a navicular fracture