A special pilates class in Edinburgh involves two baby goats climbing on top of the participants. /VCG Photo

Organizer Jo Munro said one-year-old kids, Hazel and Mabel, love to interact with humans at the fitness class. /VCG Photo

The lovable animals help participants release "feel good" hormones such as serotonin. /VCG Photo

The classes start by collecting the kids from the field before standing on mats in a stone built cottage. /VCG Photo