Median age

The age that divides a population into two numerically equal groups; that is, half the people are younger than this age and half are older. (Source)

Medical rehabilitation

Medical rehabilitation aims at restoring the functional or mental ability and quality of life of people with physical or mental impairments or disabilities.

Mental health

Mental health is a state of well-being in which an individual can realise his/her own abilities, can cope with the normal stresses of life, can work productively and is able to make a contribution to his/her community. (Source)

Musculoskeletal disorders

Work-related musculoskeletal disorders (MSDs) refer to health problems affecting the muscles, tendons, ligaments, cartilage, the vascular system, nerves or other soft tissues and joints of the musculoskeletal system. Work-related MSDs are associated with repetitive and strenuous work. These health problems range from discomfort, minor aches and pains, to more serious medical conditions which can lead to permanent disability. (Source)