| Does wearing PCECH running shoes improve distance running performance? | Running + shoes + (performance or speed or acceleration or endurance or time or distance) |
| Does wearing PCECH running shoes decrease musculoskeletal injury rates in runners? | Running + shoes + injury + (prevention or aetiology) |
| Does wearing PCECH running shoes decrease osteoarthritis rates in runners and ex-runners? | Running + shoes + osteoarthritis + prevention |
| Does wearing PCECH running shoes affect the enjoyment of running? | Running + shoes + enjoyment |
| Does wearing PCECH running shoes improve compliance with prescribed physical activity? | Running + shoes + (exercise prescription or exercise therapy) |
| Does wearing PCECH running shoes improve total physical activity levels? | Running + shoes + (physical activity or physical fitness or motor activity) |
| What is the overall effect of wearing PCECH shoes during running on health & wellbeing? | Running + shoes + (quality of life or mortality or morbidity) |