British tennis player Emma Raducanu has withdrawn from Wimbledon after a scan revealed a stress fracture in her lower leg, handing the role of leading British contender in the women’s singles draw to Katie Boulter. Raducanu’s injury underscores the prevalence and impact of stress fractures, which affect both elite athletes and recreational sports participants.
Stress fractures arise from repetitive mechanical stress on bones, often developing in load-bearing areas such as the tibia, metatarsals, femur, and pelvis. While precise data on their occurrence in the general population is limited, studies indicate that 5 to 10 percent of athletes experience at least one stress fracture during their careers. Among military personnel subjected to physically demanding training, especially while carrying heavy loads, this incidence rises to 20 percent. Women appear to be more susceptible to these injuries, partly due to factors such as lower bone density and hormonal influences.
Bone is a dynamic tissue that undergoes continual remodeling through the activity of osteoclasts, which break down old material, and osteoblasts, which build new bone. Moderate exercise encourages stronger bones, but excessive or sudden increases in training intensity can lead to microdamage accumulating faster than repair processes can manage, resulting in stress fractures.
Differentiating stress fractures from shin splints, another common overuse injury, is critical for effective treatment. While both conditions may present with lower leg discomfort, shin splints involve inflammation and microtears in muscles and tendons rather than actual bone fractures. Shin splints typically cause pain only during activity, whereas stress fractures may cause persistent pain, including at rest or during walking.
Stress fractures can also signal underlying health concerns such as osteopenia, osteoporosis, or nutritional deficiencies, including inadequate intake of calories, calcium, and vitamin D. This is especially relevant for women with low body weight, menstrual irregularities, or menopause, all of whom are at increased risk of diminished bone density.
The recommended management for stress fractures generally involves a period of complete rest, which may extend from six to twelve weeks or longer, depending on severity and location. In contrast, shin splints often improve with reduced activity. Rehabilitation efforts focus on allowing bones to heal while maintaining overall fitness and preventing muscle loss. Advanced imaging, typically magnetic resonance imaging (MRI), is required to diagnose stress fractures, as they may not be visible on standard X-rays.
Access to specialized sports medicine professionals can improve recovery outcomes, but such care is frequently available only through private services except when underlying conditions warrant NHS involvement. Raducanu is expected to receive expert medical support throughout her recovery and aims for a speedy return to competition.
To reduce the risk of stress fractures, experts recommend gradually increasing exercise intensity, using appropriate footwear, training on softer surfaces, cross-training to enhance strength and flexibility, scheduling regular rest days, and maintaining a balanced diet with sufficient nutrients to support bone health.