There’s plenty of studies on the effects of resistance training on Osteosarcopenia and Osteoporosis. You’re being a little ridiculous here. It’s a simple google search away.

• https://pmc.ncbi.nlm.nih.gov/articles/PMC6279907/
• https://www.health.harvard.edu/staying-healthy/strength-training-builds-more-than-muscles
• https://www.orthopt.org/blog/the-role-of-strength-training-in-preventing-osteoporosis-functional-exercises-and-evidence-based-benefits
• https://pubmed.ncbi.nlm.nih.gov/25772806/
• https://theros.org.uk/information-and-support/bone-health/exercise-for-bones/
• https://pubmed.ncbi.nlm.nih.gov/9927006/