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DemandSports Online Fitness Videos offers a unique fitness service that allows you to view streaming fitness videos directly from your PC, so that you can virtually workout Anytime, Anywhere!!

Karl Duvall Workouts - Online Fitness Classes

Karl Duvall is one of our newest instructors has an excellent Ab/Core Class to meet your needs. Check out Karl's classes below.

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All of DemandSports' instructors are professionally trained and certified. You can find out more about all of our instructors by visiting our Instructors page.

List of Karl Duvall's Classes


Name Description Level Time (min) Equipment
Advanced Total Body with Stability Ball A total body workout focused on strengthening musc… Advanced 30 Stability Ball, hand weights
Core Training - Balance Ready to try something different to strengthen you... Advanced 26 Hand weights (optional), stability ball (optional)
Intermediate Abs An intermediate-level workout targeted at your abd... Intermediate 15 Mat
Road Warrior - Lower Body 3 A very targeted lower body workout that focuses on... Intermediate 27 Chair (optional)
Road Warrior - Upper Body 2 A very targeted upper body workout that focuses on... Intermediate 25 Chair, hand weights (or two water bottles!)
Roller Abs Effective and challenging abdominal strengthening … Advanced 8 Foam roller
Roller Stretch A stretch class that focuses on the back and legs … Beginner, Intermediate & Advanced 11 Foam roller
Stability Ball Strength A great strength training workout using the stabil… Intermediate 27 Stability Ball, hand weights (optional)