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Welcome to Grokker! I have included some walking videos here that you may be interested in from Ellen Barretts program - https://grokker.com/fitness/cardio/program/walk-strong-low-impact-cardio-with-ellen-barrett/5887e4e30eeec67481fa03fa
You can also search and filter many other videos with the following instructions. Enjoy!
Go to your homepage on grokker.com
Go to FITNESS at the top of the page
Then click the VIDEOS tab
On the right hand side you will see MORE OPTIONS
Then on the left hand side you will see FILTERS
Here you can select by Time, Intensity, Workouts, Bodyparts and Equipment