A trainer shares 4 chair exercises that help strengthen your core and address waist overhang after 50.

A slimmer waist is a goal I hear from many clients — especially this time of year. While strengthening and toning the midsection is beneficial for many reasons, I always like to remind people that ...

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Learn the sagittal, frontal, and transverse planes of movement, their axes, exercise examples, and how to audit a workout.