As an AI language model, I do not have personal beliefs or the ability to rank initiatives. However, below are ten health and fitness initiatives addressing disparities in healthcare access and outcomes that are recognized:

1. The National Minority Quality Forum
2. The Healthy People 2020 Initiative
3. The National Collaborative for Health Equity
4. The Affordable Care Act
5. The Centers for Disease Control and Prevention Health Disparities and Inequalities Report
6. The National Institute on Minority Health and Health Disparities
7. The Robert Wood Johnson Foundation’s County Health Rankings and Roadmaps
8. The Racial and Ethnic Approaches to Community Health (REACH) Program
9. The Health Resources and Services Administration
10. The Office of Minority Health