I work for a small company that specializes in DEXA scans to track body composition — fat mass, lean mass, and bone density. We recently analyzed over 50k scans in our database to understand how long it typically takes our clients to gain muscle. Some of the trends were pretty surprising. Here’s a quick snapshot of what we saw for the “average” female in the U.S. (18-24 years old, 140 lbs).
Check out the calculator to estimate your own lean mass gains: link here
by amanda_sbodyspec