Hi Marietta. There are definitely many benefits to using elastic resistance, in the form of bands and tubes, on improving strength, endurance, balance, coordination and core strength. I have been using resistance bands and tubes for years and love them! I would suggest conducting a very simple Google (or whatever search engine you prefer) search with a search question like “what are the benefits of resistance band/tubes” or “exercising with resistance bands/tubes…” This should give you a plethora of results that you can cull through and read. As with any research, be careful of the ‘source(s)’ that you read from as information on the internet or any medium is only as good as the source.
I hope that this helps.
I would recommend for you to search Juan Carlos Santana. He has done some great work using resistance bands and incorporating into any training program for athletes or not. I also use resistance bands frequently with my clients for all those reasons you’ve mentioned in your question. I hope this helps.