Description of the study population.

Abbreviation: tMET, physical activity, estimated in metabolic equivalent hours per week. Unless otherwise indicated, values are given as means with ranges in brackets, and statistical significance was assessed using a two-tailed t-test.#One or both of the groups did not pass the D’Agostino & Pearson omnibus normality test, and so the values are given as medians and ranges, with statistical significance being assessed using a two-tailed Mann-Whitney U test.##Fishers exact test. Control, N = 16 except for tMet (N = 11) and LDL (N = 15). Achilles tendinopathy, N = 15 except for waist, hip and tMet (N = 14), cholesterol, TG, HDL and LDL (N = 13).Description of the study population.