Table 2.

Aetiology of tendinopathy: proposals for predisposing factors (Alfredson et al., 2006; Andres and Murrell, 2008; Bard, 2009; Forsgren et al., 2009; Fournier and Rappoport, 2005).

Innate general factors	Acquired general factors	Acquired local factors
- age (> 40 years) - male gender - anatomic variants - blood type O - genetic factors	- nutrition (excess of protein) - excessive force - body composition (adiposity) - new physical activities - poor technique - training errors - high body weight/adiposity - weakness - environmental conditions - running surface - hyperthermia - drugs (oral corticosteroid or contraception, fluoroquinolones, cannabis, heroin, cocaine) - infectious diseases - general diseases (RA, psoriasis, SLE, neurological conditions, hyperuricemia, AHT, CRF, diabetes, insulin resistance, hypothyroidism, arteriosclerosis, hyperparathyroidism, glycogen storage disease)	- decrease in local vascular perfusion - repetitive loading - excessive loading - abnormal and unusual movements - impingement - new/old shoes and equipment

RA = rheumatoid arthritis; SLE = systemic lupus erythematosus; AHT = arterial hypertension; CRF chronic renal failure.