Here's a popular press summary of a study showing that inactivity rather than aging results in loss of muscle mass: http://well.blogs.nytimes.com/2011/11/09/aging-well-through-exercise/
Here's the abstract of the original research: http://www.ncbi.nlm.nih.gov/pubmed/22030953
All the more reason to keep practicing Taekwondo (or any other martial art) throughout the lifespan.
Cynthia
Here's the abstract of the original research: http://www.ncbi.nlm.nih.gov/pubmed/22030953
All the more reason to keep practicing Taekwondo (or any other martial art) throughout the lifespan.
Cynthia