20 Ab Exercises That Will Help You Carve a Stronger Core

You'll need more than just crunches to build a strong, functional core. Try these moves to upgrade your workouts.

Elevate your ab workout with these 5 machine-based exercises

Gym equipment like cable machines or decline benches can work your abs in better, more effective ways than just doing sit-ups ...
Nature

Cardiorespiratory fitness is associated with diminished total and abdominal obesity independent of body mass index

OBJECTIVE: To determine whether, for a given body mass index (BMI), men and women with high cardiorespiratory fitness (HIGH CRF) have lower waist circumference (WC), sum of trunk skinfolds (SUM2) and ...