I’m a personal trainer for seniors — I give my clients these 5 low-impact moves to strengthen their legs ...

Over 50? Flatten your belly with 5 simple chair moves that fire deep core muscles, protect joints, and take about 15 minutes.

Whether you're switching up your typical strength training routine or rehabbing after injury, introducing instability into your workouts will have you shaking and aching like never before. There are a ...