Abstract
Purpose: The aim of the study was to establish the relationship between the shape of the calcaneal tuberosity (flat, stepped, rounded, normal) and the probability that retrocalcaneal bursitis among people who train running regularly. Methods: The study included a group of 30 runners who suffered from retrocalcaneal bursitis in the past, and 30 people who never had symptoms of this disease. The study was based on a diagnostic survey, as well as on clinical examination. The surface of the calcaneal tuberosity and the slope of the calcaneus were assessed using X-rays. The mobility of the bursa, its surface size, the thickness of the Achilles tendon and its attachment rate were established during an ultrasound examination. Results: Flat surface of the calcaneal tuberosity increases fourfold the risk of suffering from retrocalcaneal bursitis (OR = 4.3). The people whose calcaneus slope is above 25° are at increased risk of suffering from such an inflammation compared with the people whose calcaneus bone is more horizontal (OR = 2.8). The analysis shows that the thickness of the Achilles tendon (p = 0.001), the surface size of the bursa (p = 0.009), as well as the flat surface of the calcaneal tuberosity (p = 0.008) are strongly associated with the occurrence of retrocalcaneal bursitis. Conclusions: The flat shape of the calcaneal tuberosity increases the risk of bursitis. The risk of inflammation is higher when the Achilles tendon is thicker and the surface of the bursa is smaller than normal.
Highlights
Physical activity provides people with a variety of health benefits [1]
Ooms et al [6] proved that 4–5 months after finishing a 6-week start-to-run program, 69% of the participants continued to be physically active through regular running workouts (152 min/a week)
The aim of the study was to establish the possible relationship between the shape of the calcaneal tuberosity and the probability that retrocalcaneal bursitis should occur in people who train in running
Summary
Physical activity provides people with a variety of health benefits [1]. a risk of injury increases significantly when the training intensity, volume, and load are greater [2,3]. In the Netherlands in 2013, 2.1 million people declared their participation in at least one street run [5]. Ooms et al [6] proved that 4–5 months after finishing a 6-week start-to-run program, 69% of the participants continued to be physically active through regular running workouts (152 min/a week). This discipline, has a great influence on the promotion of positive patterns of physical activity
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