Abs workouts do not need to be long to be very hard, but even so when a video popped up on my YouTube feed claiming to be the "hardest abs workout ever" and it was only 10 minutes long, I was suitably ...
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This 10-minute abs workout has over 100 million views — here’s what happened when I tried it
Popularity is by no means a guarantee of quality, but when a workout has over 100m views on YouTube, it certainly indicates that it’s worth giving a go. This 10-minute abs workout from fitness trainer ...
The bodyweight moves packed a punch.
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