You don't need sit-ups to sculpt strong abs, just these 4 moves and a kettlebell

Exercises like planks, sit-ups, crunches, and Russian twists all serve a purpose: they hit various muscles to build a ...

Sit-Ups Vs. Crunches—Here’s Which Is Better

Plus, which move is more effective for strong abs.
Tom's Guide

I did 3 classic Pilates moves instead of sit-ups — here’s what happened to my core strength and spinal health

Workouts Not sit-ups or lunges — I use this simple Pilates exercise to sculpt strong obliques, inner thighs and hip stabilizers Workouts No sit-ups or crunches, this is the simple Pilates exercise I ...
Lifehacker

How 'Sprint Interval Training' Compares to HIIT (and How to Do It)

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Sprint interval ...