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Maybe these 2 books are helpful:

Strength Training Anatomy, 3rd Edition by Frederic Delavier

https://www.amazon.com/gp/aw/d/0736092269/

The Strength Training Anatomy Workout: Starting Strength with Bodyweight Training and Minimal Equipment by Frederic Delavier and Michael Gundill

https://www.amazon.com/Strength-Training-Anatomy-Workout-Bod...

I think for weight loss, seeing a dietician is better. Wikipedia says dieticians are better regualted than nutitionists - they list regulatory bodies in countries including USA.

Dietician:

https://en.wikipedia.org/wiki/Dietitian

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