"participation in exercise" is correct and usable in written English.
You can use it to refer to the act of doing an exercise or physical activity. For example, "Recent studies have shown that regular participation in exercise can lead to improved mental and physical health."
Participants will not be excluded based on their participation in exercise programmes (ie, participants who are participating and who are not participating in exercise programmes will be eligible).
To be eligible, participants had to be female and sedentary (no participation in exercise more than once a week for the previous six months).
In addition, our randomization strategy served to level out differences in participants' symptoms at baseline between the conditions, as such differences might also influence participation in exercise sessions.
Recruitment of older adults with PAD for participation in exercise studies has been particularly challenging.
Limited evidence supports a relationship between participation in exercise and reduction in postpartum depression.
Barriers to exercise, such as safety, health, and age-related changes, contribute to lack of participation in exercise studies.
Successful recruitment of older adults with PAD for participation in exercise clinical trials may require substantial time and budget.
The fear of movement may prevent participation in exercise and social events, which could lead to further physical and social isolation.
In addition, uncontrolled studies and observational evidence suggest that postpartum women, some of whom were depressed, report benefit from participation in exercise programmes.
The step-change in the nation's participation in exercise has yet to emerge and MPs warn today that the Olympic legacy on school sport is "on life support".
Well, Smith is certain the demand for fashionable trainers is not about to fall away anytime soon: "casual lifestyles and widespread participation in exercise means the popularity of active footwear isn't going to dissipate".
