Who is at increased risk of suffering from a hairline fracture?Īnyone can suffer from hairline fractures. Sudden change in the duration or frequency of activity without taking a break-in period.Having an incorrect technique while playing a sport.Practising repetitive high-impact activities such as long-distance running, gymnastics, basketball, or tennis.Some of the common causes of hairline fractures include: Hairline fractures often occur due to repetitive actions or overuse of the bone over time. However, when the breakdown of the bone happens more rapidly than the production of the new bone, the chances of getting a hairline fracture increase. In this process, there is a breakdown of the old bone, which gets replaced by a new one. Pain may or may not resolve on taking restīones can adapt to the sustainably increased forces, through the process of remodelling.Pain increases on performing an activity or putting weight on the injured part.Pain and swelling at the site of fracture that does not resolve for weeks.Some of the common signs of hairline fracture include: Comminuted fracture: The bone is broken into three or more pieces.Spiral or torsion fracture: The fracture occurs due to rotational force on the bone resulting in a fracture that encircles the entire bone.Oblique fracture: The fracture goes diagonally across the bone.Transverse fracture: The fracture line is horizontal to the bone.Stress or hairline fractures: There is a small crack in the bone.ĭepending on the pattern of fracture, it can be divided into:.Displaced fractures: The bone breaks into two while forming a gap in the middle.Complete fractures: The fracture line goes through the bone completely, separating it into two halves.Open or compound fractures: The skin is injured or pierced along with the broken bone.Closed fractures: The bone is broken but the skin is intact. What are the different types of fractures?īased on the severity of bone damage, fractures are categorised as : While an open or displaced bone fracture can be seen with the naked eye, hairline fractures, also called stress fractures, can be difficult to spot without proper imaging tests. For instance, a low blow may cause a hairline fracture, whereas a major accident can shatter the bone completely. The severity of the fracture depends on the intensity of the causative force. However, when the weight or the intensity of an external force exceeds the stress-bearing capacity of the bone, fracture occurs. Research shows that the thigh bone (femur) can bear up to 400 kilograms of sustained weight without breaking. While the collagen gives flexibility to the bones, the calcium makes them hard and rigid. The human bones are made up of collagen and calcium phosphate.
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