From the time you are born to around the time you turn 30, your muscles grow larger and stronger. Did you know that at some point in your 30s, you start to lose muscle mass and function. The cause is age-related sarcopenia.
Physically inactive people can lose as much as 3% to 5% of their muscle mass each decade after age 30. Even if you are active, you’ll still have some muscle loss.
Research shows profound changes in lean body mass (muscle) takes place after 50th life year, approximately 1-2% in muscle loss per year, and it has been reported that a strength loss of 1.5 – 5% can occur for those individuals over 50 years of age.