80-year-old fitness icon Joan MacDonald reveals her simple exercise for a stronger, more stable core

She says bodyweight clock taps offer 5 big benefits for women over 45 ...
The New York Times

4 Fitness Tests Trainers Swear By

Starting a new workout routine? Just curious where you stand? Use these exercises to measure your fitness. Starting a new workout routine? Just curious where you stand? Use these exercises to measure ...