Lean muscle mass refers to the amount of muscle on your body after subtracting body fat. It's the portion of muscle that is free of fat and non-contractile connective tissue.
Having more lean muscle:
You can build lean muscle through:
Tracking progress requires more than the scale. Use body tape measurements and DEXA scans to see muscle gain. Aim for 0.25-0.5% gain in total lean mass per week.
Be patient - lean tissues take months to build. But combining smart strength training, nutrition, cardio, and recovery sets you up for long-term gains in metabolism-boosting lean muscle!