Plus, easy variations to make them more or less challenging. Leg lifts are effective for targeting the lower abs and can improve core strength and stability without traditional crunches or planks.

Build stronger legs after 55 with 4 chair exercises that target your quads, hamstrings, and glutes without painful squats.

How long you should be able to balance on one leg varies, but at least 10 or 15 seconds is the minimum. The exact amount of ...