Final answer:
Breaking fitness goals into smaller steps, choosing fitness activities based on personal interest, and implementing a reward program are practices that can increase the chances of a personal fitness program being successful.
Step-by-step explanation:
The most likely practice to increase the chances of a personal fitness program being successful is breaking fitness goals into smaller steps. By setting achievable milestones, individuals can track their progress and stay motivated to continue exercising. Additionally, choosing fitness activities that have personal interest is crucial as it increases enjoyment and commitment to the program. Lastly, implementing a reward program can serve as an incentive to meet fitness goals.
Learn more about Factors that contribute to the success of personal fitness programs