This study examines the effects of a standardized exercise program Fustra20 Neck & Back applied individually by educated exercise leaders in about 30 private sports clubs located in different parts of Finland. The target is to have 5-6 participants in each club. Recruitment began with advertisements in two national level newspapers. Interested individuals were asked to contact UKK Institute (UKKI) by phone or e-mail. In addition, the website of UKKI and the sports clubs are used to reach people more locally. Structured telephone interview is conducted to screen the eligible participants. Two researchers select the participants according to eligibility criteria.