Below are resources that I have found helpful.

WHO Physical Inactivity, A Global Public Health Problem

Physical activity, stress reduction, and mood: insight into immunological mechanisms

Check out this link to "20 Exercisese to Do at Your Desk"Button Text

Sedentary Time and Its Association With Risk for Disease Incidence, Mortality, and Hospitalization in Adults A Systematic Review and Meta-analysis

WHO Guidlines on Phyaical Activity and Sedentary Behaviour

Exercise for Mental Health

How to reduce sitting time

Physical activity, stress reduction, and mood: insight into immunological mechanisms

The sedentary office: an expert statement on the growing case for change towards better health and productivity

The Cognitive Approach to Training Development: A Practitioner's Assessment(Silber, 1998)

instructional design models

instructional strategies list