Hold a weight (e.g., a medicine ball, plate) on your chest. • Lift your upper body towards your knees. Sit-ups help improve posture by strengthening the core muscles. A strong core supports the ...

You don’t crunches, sit-ups and planks to increase your core strength and definition, just take this 12-move standing ...

You're demonstrating elite fitness if you can hold a wall sit for three minutes or more. But don't stop there! Continue ...

Standing abs workouts are a great way to strengthen your core without using common exercises like sit-ups ... with the weight, but also because simply holding the kettlebell up above your head ...