Sit-ups and crunches both target your core muscles, but work differently. You can use both exercises to build strength, endurance, and control.
Denise Austin has plenty of exercises that require nothing but personal determination and a little bit of floor space. Now, ...
These 5 seated core moves help strengthen your midsection after 55, with joint-friendly reps you can do at home.
These 6 standing exercises build strength, balance, and posture after 60, without long workouts or fancy equipment.