Using a box or chair to start from seated will seriously ramp up the intensity on your quads, core, and hips. Are sitting ab exercises effective? Without a doubt. Seated ab exercises can help you ...

Sit-ups and the plank ... As a personal trainer who holds chair workout classes for seniors, I've seen for myself how seated exercises can strengthen the abs and deep core, too.

Start by sitting tall with hands on knees. Inhale deeply as you arch your back, lifting your chest up (cow pose). Exhale as ...

With the exception of the plank, each exercise should be done for 10-15 repetitions. If an exercise alternates between sides, perform 10-15 repetitions on each side. Try holding the plank for 15-30 ...

For core workouts from Stephanie Mansour — plus fitness challenges ... the reverse crunch without any modifications. Start sitting on a chair with both knees bent. Keeping one foot on the ...

Skip sit-ups and try this 8-move dumbbell workout to build a stronger core and hips. While sit-ups remain popular at gyms, on social media and in fitness workout plans, they could do more harm than ...

Grab a chair, have a seat and start exercising for stronger abs. That's what fitness trainer Rhonda Murphy has us doing in this week's "Workout!" ...