# Why machine learning (ML) has failed physical activity research and how we can improve

> Research article (BMJ Open Sport & Exercise Medicine, 2022) · cited 19× · AI/ML

**Wikidata**: [openalex:W4220747158](https://www.wikidata.org/wiki/openalex:W4220747158)  
**Source**: https://4ort.xyz/entity/why-machine-learning-ml-has-failed-physical-activity-research-and-how-we-can-improve