sample median age : 68 years old ".. sample median VILPA frequency of 3 length-standardized bouts per day (lasting 1 or 2 min each) " vigorous intermitant lif

sample median age : 68 years old ".. sample median VILPA frequency of 3 length-standardized bouts per day (lasting 1 or 2 min each) " vigorous intermitant lifestyle physical activity ? apparently this is a study regarding seniors and elderly, and instilling a habit of doing something "vigorous" for less than five minutes, a few times each day