“…Occupational risk factors from current and past work, especially physically demanding work (also referred to as manual work/manual workers), may give an explanation, although research is controversial. For example, on the one hand studies find that physical work is linked with injury and reduced mobility [7][8][9]. In addition, after the age of 45, musculoskeletal capacity depreciates at a quicker pace [10] with a poorer outcome for recovery [11].…”