• 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

How To Treat And Prevent Shin Splints

Shin splints are a common overuse injury that runners experience, but they are not a life sentence or a sign that running is not for you.

By Kristina Duffy

How to Set Running Goals For The New Year

We set aspirational goals to become healthier, get in shape, lose weight, live a more active lifestyle, and the list can go on. We can help you set...

By Josh Janicek

The Best Reverse Hyper Machines to Add to Your Fitness Routine

Dealing with back pain or looking to strengthen your glutes? Reverse hyper machines can help with both! Check out our review of the best reverse hy...

By Kristine Golden

Foam Rolling For Beginners

Foam rolling has become a staple in gyms, fitness studios, physical therapy clinics, and even home living rooms, but for beginners, it can feel con...

By Kristina Duffy

Latest

30-Minute Full-Body Circuit Routine

Test your balance, endurance and strength in this 30-minute circuit that you can do anywhere.

By Michael Rich

Get in Fighting Shape With This MMA-Style Workout

Want to get a strong, toned body like an MMA fighter? Learn how to train like a professional athlete and knock out the pounds.

By Doug Balzarini, CSCS, MMA-CC

6 Moves for 6-Pack Abs

These are the best core exercises you've never done, and they'll reveal the abs you never knew you had.

By Michael Easter, Men's Health

6 Ways to Workout While You Travel

Just because you're going on vacation doesn't mean your health needs to take a break. Use these tips and tricks to maximize your fitness while trav...

By Fara Rosenzweig

6 Post-Race Yoga Poses

Finishing a race is a great achievement, but you're likely to head home aches all over your body. Stretch out the pain with these six yoga poses fo...

By Laura Waite

How to Make the Perfect Playlist for Your Workouts

Load these songs, in this order, on your mix, and you'll zap calories without working harder.

By Beth Janes

Quiz: What's Your Next Challenge?

Bored with your normal race calendar? Whether you want to up the ante on the trails or dive into the water, find out how to shake things up this se...

By Fara Rosenzweig

7 Moves for a Full-Body Resistance Band Workout

You don't need a gym or weights to get a full-body workout. Use these resistance band exercises to get a great workout anywhere.

By Scott Yorko

  • 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.