Table 2 Items of the intervention

Nutrition

Diet recommendation with/without nutritional supplementation

Throughout the trial

Routine treatment

Psychology

Psychotherapy with/without antidepressants

30 min, twice one week

Physical function

Warm-up

30–45 min, three times one week

Walking forwards/backwards

Knee and hip extension

Static standing on one leg

Toe and heel raise

Knee lifts

Cool-down