In about 5 percent of patients, the bone does not heal after treatment; this is known as a non-healing fracture. These patients may require bone graft surgery to heal the fracture properly. After the six weeks it takes for the bone to heal, there is still an adjustment period.Most patients can resume strenuous physical activities, such as contact sports and skiing, between three and six months after the injury.fter the six weeks it takes for the bone to heal, there is still an adjustment period. Most patients can resume strenuous physical activities, such as contact sports and skiing, between three and six months after the injury.