IS MUSCLE LOSS A NATURAL PART OF AGEING?

Is frailty and weakness linked to lifestyle?
Sarcopenia (a term you will see a lot here) is the loss of muscle mass, strength and performance as we age; approx 8% loss per decade from 40-70yrs and 15% thereafter.
However, research done on masters athletes showed they had remarkably similar muscle tissue to younger people due to their training intensity. 
Many now believe that sarcopenia may be down to a sedentary lifestyle and poor diet than to a person's age.
So, what should you do?
Initially, get active doing something you enjoy that gets your heart pumping, muscles moving and push your body just a little more than usual.