Hairline fractures may also occur in the upper limb and are often related to falls or accidents.
Hairline fractures usually develop gradually as a result of overuse, as opposed to larger bone fractures or breaks that are mostly caused by acute traumas, such as a fall. While hairline fractures may heal with sufficient rest, they can be painful and last several weeks.
Anyone who engages in regular physical activity can develop a hairline fracture, especially if the activity involves repetitive movements that put a strain on a bone or a group of bones. The most common treatment approach is rest.
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