• Events

    Running

    RunningCouch to 5K5K10KHalf MarathonMarathonSee All

    Outdoor

    OutdoorCampingHikingSee All

    Triathlon

    TriathlonSprintOlympic/InternationalIRONMAN 70.3IRONMANSee All

    Cycling

    CyclingRoad CyclingCentury RidesMountain BikingSee All

    Sports

    BaseballBasketballFootballGolfMartial ArtsSoccerSoftballSwimmingTennisVolleyballWinter SportsYoga

    hidden

    active kidsactive kidsSports CampsBrowse All EventsRace Results
  • Calculators

    Calculators

    Running PaceBody Fat PercentageBody Mass Index (BMI)Ideal WeightHeart Rate
    Caloric NeedsNutritional NeedsBasal Metabolic Rate (BMR)Kids' Body Mass Index (BMI)
  • Running

    Running Events

    RunningCouch to 5K5K10KHalf MarathonMarathonSee All

    Running Articles

    RunningDistance RunningTrail RunningMud RunningTraining PlansProduct Reviews
  • Triathlon

    Triathlon Events

    TriathlonSuper SprintSprintOlympic/InternationalIRONMAN 70.3IRONMANSee All

    Cycling Events

    CyclingRoad CyclingCentury RidesMountain BikingSee All

    Triathlon Articles

    TriathlonDuathlonTraining PlansProduct Reviews

    Cycling Articles

    CyclingMountain BikingCyclo-CrossBMXTraining PlansProduct Reviews
  • Fitness

    Fitness Events

    FitnessWalkingYogaStrength TrainingPilatesWeight LiftingSee All

    Fitness Articles

    FitnessWorkoutsWalkingYogaWeight LossTraining PlansProduct Reviews
  • Sports

    Sports Events

    BaseballBasketballFootballGolfMartial ArtsSoccerSoftballSwimmingTennisVolleyballWinter Sports

    Outdoor Events

    OutdoorCampingHikingBook CampgroundSee All

    Sports Articles

    SportsSwimmingBasketballTennisBaseballSoccerSoftballVolleyballFootballLacrosseGolf

    hidden

    Water SportsIce HockeyGymnasticsMartial ArtsSkiCampingHikingTravelSailingDanceSnowshoeing
  • Nutrition

    Nutrition Articles

    NutritionMeal PrepRecipesSnacksSupplementsProduct Reviews

    Health & Injury Articles

    Health & InjuryPhysical HealthMental HealthPainInjury PreventionRecoverySleepProduct Reviews
  • Kids & Family

    Kids

    Infants (0-1)Toddlers (2-4)Big Kids (5-8)Tweens (9-12)Teens (13-18)

    Events

    SwimmingBasketballBaseballSoccerTennisVolleyballFootballMartial ArtsChildcare

    hidden

    YogaCheerleadingGymnasticsDanceMusicArts & CraftsKids FitnessSee All

    hidden

    active kidsactive kids
  1. Home
  2. >
  3. Fitness Articles
  4. >
  5. Core Ab Training
Core Training

Featured

Brooks Glycerin Max 2: Max Cushion, Max Comfort, and (Mostly) Max Enjoyment

The Brooks Glycerin Max 2 arrives with huge expectations, especially for runners who fell hard for the original iteration.

By Elizabeth Grimsley

Unboxing the Future of Foot Recovery: A Hyperboot Holiday Review

Is the Hyperice Hyperboot worth it? Our review covers the features, benefits, and holiday sale details for this high-tech recovery footwear.

By Stephen Gendreau

Reebok Launches Nano X5 Edge Training Shoes

The Official Shoe of Fitness Just Leveled Up

These Magical Leg Sleeves Are My New Favorite Recovery Tool

An honest review of the Hyperice Normatec Elite. Learn about its features, benefits, and why it's a game-changer for recovery, plus details on the ...

By Stephen Gendreau

Latest

8 Ways to Make the Most of Winter Training

Don't let cooler temperatures put the freeze on your workout routine. Learn how to use the season to your advantage.

By Stephanie Smith

Motivation to Lose Weight: 10 Ways to Inspire Yourself

Fallen off the fitness path and need a boost of motivation to lose weight? Here are 10 motivators to help you reach your goal.

By Jaylin Allen

Top 10 Reasons Women Should Hit the Weights

Strength training is an important part of improving your overall fitness, and for women, it can mean much more.

Best Fitness Gear of 2016

We tested the best workout products of 2016, so all you have to worry about is being your best self in 2017.

By Nikki Chavanelle

7 Ways to Improve Your Confidence

Your confidence, or lack of confidence, determines how you approach everything in life, including your fitness routine.

By Dawn Fletcher

8 Exercises to Reduce Shin Splint Pain

Do you struggle with off and on shin splints? These exercises will help you manage your pain, while also preventing another injury in the future.

By Stephanie Main 

8 Yoga Poses for Winter Sports

Practice these poses before and after snowy sports sessions to prevent soreness, improve flexibility and increase strength.

By Angela Bekkala

6 Agility Exercises to Improve Explosiveness

Improve your focus, balance, and coordination with these functional agility exercises. Take your agility training up a notch today.

By Stephanie Smith

  • ACTIVE Logo
  • ACTIVE is the leader in online event registrations from 5k running races and marathons to softball leagues and local events. ACTIVE also makes it easy to learn and prepare for all the things you love to do with expert resources, training plans and fitness calculators.

Follow ACTIVE
  • Facebook
  • Twitter
  • Pinterest
  • Instagram
Mobile Apps
  • ACTIVE.com App
  • Couch to 5K®
  • 5K to 10K
  • Meet Mobile
  • View All Mobile Apps
Things To Do
  • Running Races
  • Triathlon Races
  • Cycling
  • Mountain Biking
  • 5K Races
  • 10K Races
  • More Things to Do
  • Half Marathon
  • Marathon
  • Ultra Running
  • Trail Running
  • Mud Runs
  • Swimming
Popular on ACTIVE.com
  • San Diego
  • Los Angeles
  • New York City
  • Denver
  • Houston
  • Las Vegas
  • BMI Calculator
  • Calorie Calculator
  • 5K Training
  • Couch to 5K®
  • Half Marathon Training
  • Marathon Training
  • Organizer Technology Solutions
  • Earn Money
  • Account Access
  • Subscribe to Our Newsletter
  • Do Not Sell My Personal Information
  • About ACTIVE.com
  • Sitemap
  • Terms of Use
  • Copyright Policy
  • Privacy Notice
  • Privacy Settings
  • Careers
  • Support & Feedback
  • ACTIVE Access
  • Registration Software
  • Social Media Guidelines
  • Community Policies
  • Cookies Settings
  • ©2025Active Network, LLC and/or its affiliates and licensors. All rights reserved.