This workout is so hard you can only do it for 20 mins
- Posted on August 5, 2026
- By CNN
- 0 Views
- 1 min read
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This workout is so hard you can only do it for 20 mins
Electrical Muscle Stimulation technology has been used for fitness since the 70s but has had a recent surge in popularity. CNN Creator Antoinette Radford looks into it.
