Source:http://linkedlifedata.com/resource/umls/id/C0026606
MSH: The physical activity of a human or an animal as a behavioral phenomenon.,OMS: State or quality of body movements during daily living.,NCI: Any form of exercise or movement. Physical activity may include planned activity such as walking, running, basketball, or other sports. Physical activity may also include other daily activities such as household chores, yard work, walking the dog, etc. (from NIDDK Glossary; http://www.niddk.nih.gov/health/nutrit/pubs/glossary/glossaryintro.htm)