I swapped sit-ups for this abs exercise, and it's made a huge difference

The three-legged plank to tiger curl strengthens your core, hips and shoulders.
Fitgurú on MSN

Forget sit-ups: This 10-minute standing ab workout can fire up your core faster than you think

A quick, equipment-free routine is gaining attention for strengthening the core without ever getting down on the floor.
Tom's Guide

Ditch sit-ups — this 5-move abs workout builds core strength and improves your posture in just 10 minutes

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Today

Crunches Vs. Situps: This 1 Move Is More Effective for Toning the Abs

They’re often lumped together as “ab exercises,” but crunches and situps aren’t the same thing — and choosing the right one can impact your results (and your spine). So, if your goal is stronger abs, ...
Tom's Guide

Less sit-ups, more compound exercises — this one exercise sculpts and strengthens your abs and obliques

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Runner's World

Switch Your Sit-Up With This Total-Body Exercise

To add this three-step Turkish get-up to your next core routine, sub it in anytime you might do a sit-up. Here’s how to perform it properly: Mallory Creveling is an ACE-certified personal trainer and ...