5 ab-sculpting workouts that can build core strength in the gym, according to personal trainers - Yahoo Sports

Gym machines can help you build strong ab muscles with weights and resistance more efficiently than bodyweight crunches, according to trainers.

Fact or fiction? Ab definition workouts exist

Challenging But Attainable Fitness Goals to Work Toward

You don't need crunches to build a stronger core — just 10 minutes and 5 exercises

5 moves elite athletes and trainers do for strong, sculpted abs - Yahoo Sports

This 4-move abs workout for beginners strengthens your core in just 20 minutes

Forget ab workouts — this 5-move compound exercise routine torches your whole core

5 moves elite athletes and trainers do for strong, sculpted abs - Yahoo Sports

15 Best Exercises For A Complete Upper Body Workout

How To Effectively Build Muscle For Women, According To A Trainer

How to get sculpted abs using just bodyweight, no heavy weights necessary - Yahoo Sports

The Only 5 Ab Exercises You'll Ever Need

7 Core Exercises To Building Strength And Sculpting Abs

10 Strength Exercises for Beginners To Melt Love Handles

Develop your core and boost your metabolism with these eight moves - Yahoo Sports