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Asymptomatic Achilles tendon pathology is associated with a central fat distribution in men and a peripheral fat distribution in women: a cross sectional study of 298 individuals.
Umeå University, Faculty of Medicine, Surgical and Perioperative Sciences, Sports Medicine.
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2010 (English)In: BMC Musculoskeletal Disorders, ISSN 1471-2474, Vol. 11, no 41, 1-9 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Adiposity is a modifiable factor that has been implicated in tendinopathy. As tendon pain reduces physical activity levels and can lead to weight gain, associations between tendon pathology and adiposity must be studied in individuals without tendon pain. Therefore, the purpose of this study was to determine whether fat distribution was associated with asymptomatic Achilles tendon pathology. METHODS: The Achilles tendons of 298 individuals were categorised as normal or pathological using diagnostic ultrasound. Fat distribution was determined using anthropometry (waist circumference, waist hip ratio [WHR]) and dual-energy x-ray absorptiometry. RESULTS: Asymptomatic Achilles tendon pathology was more evident in men (13%) than women (5%) (p = 0.007). Men with tendon pathology were older (50.9 +/- 10.4, 36.3 +/- 11.3, p < 0.001), had greater WHR (0.926 +/- 0.091, 0.875 +/- 0.065, p = 0.039), higher android/gynoid fat mass ratio (0.616 +/- 0.186, 0.519 +/- 0.142, p = 0.014) and higher upper-body/lower body fat mass ratio (2.346 +/- 0.630, 2.022 +/- 0.467, p = 0.013). Men older than 40 years with a waist circumference >83 cm had the greatest prevalence of tendon pathology (33%). Women with tendon pathology were older (47.4 +/- 10.0, 36.0 +/- 10.3, p = 0.008), had less total fat (17196 +/- 3173 g, 21626 +/- 7882 g, p = 0.009), trunk fat (7367 +/- 1662 g, 10087 +/- 4152 g, p = 0.003) and android fat (1117 +/- 324 g, 1616 +/- 811 g, p = 0.005). They had lower central/peripheral fat mass ratios (0.711 +/- 0.321 g, 0.922 +/- 0.194 g, p = 0.004) than women with normal tendons. Women with tendon pathology were more often menopausal (63%, 13%, p = 0.002). CONCLUSIONS: Men with Achilles tendon pathology were older and had a central fat distribution. Women with tendon pathology were older and had a peripheral fat distribution. An interaction between age and waist circumference was observed among men.

Place, publisher, year, edition, pages
2010. Vol. 11, no 41, 1-9 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:umu:diva-32762DOI: 10.1186/1471-2474-11-41ISI: 000275878300001PubMedID: 20196870OAI: diva2:305697
Available from: 2010-03-25 Created: 2010-03-25 Last updated: 2010-03-25Bibliographically approved

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Alfredson, Håkan
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