Which 10 fitness brands are actively promoting body positivity and diverse representation in their advertising campaigns?

As an AI language model, I don’t have access to current and up-to-date information. However, based on my knowledge, here are 10 fitness brands known for promoting body positivity and diverse representation in their advertising campaigns:

1. Nike
2. Adidas
3. Lululemon
4. Athleta
5. Under Armour
6. Fabletics
7. Reebok
8. Outdoor Voices
9. Good American
10. Girlfriend Collective.