You don’t need sit-ups to build a stronger core — just use this 5 minute bodyweight workout instead
Sit-ups are an obvious exercise to jump into ... Another bonus is this workout requires no equipment, just yourself and your ...
Yahoo4d
Forget sit-ups — you just need 15 minutes and 1 kettlebell to strengthen your core with this standing abs workout
Standing abs workouts are a great way to strengthen your core without using common exercises like sit-ups ... while this 20-minute EMOM workout also blasts the whole body using just one kettlebell.
Tom's Guide18d
Forget planks and sit-ups — this 10-minute chair workout strengthens your core while sitting down
Whether you have mobility issues and need an alternative, or you’re looking for a quick ab workout that you can do at your desk (just make sure you turn your camera off), this 10-minute chair ...