Inclusion Criteria:  Healthy volunteers Signing of informed consent by participants and head of the study Understanding of German language in order to be able to follow a lecture and complete questionnaires  Exclusion Criteria:  Current sick leave Pregnancy Acute physical or psychological complaints on the day of study participation Chronic illnesses / disabilities which make it difficult to participate in a moderate exercise while standing Chronic diseases / impairments that make it difficult to lie prone for a massage Current illnesses or injuries that are a contraindication for hand massages or gymnastics