# US Centers for Disease Control and Prevention‐Based Physical Activity Recommendations Do Not Improve Fitness in Real‐World Settings

> Research article (Journal of School Health, 2019) · cited 10× · AI/ML

**Wikidata**: [openalex:W2909108495](https://www.wikidata.org/wiki/openalex:W2909108495)  
**Source**: https://4ort.xyz/entity/us-centers-for-disease-control-and-preventionbased-physical-activity-recommendations-do-not-improve-fitness-in-realworld