Ditch sit-ups and crunches — blast your abs in 10 minutes with this 4-move standing core workout

If you’re not a fan of sit-ups and crunches then you can stay standing with this 10-minute, 4-move abs workout that uses a ...
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Ditch sit-ups — this 5-move abs workout builds core strength and improves your posture in just 10 minutes

I don't think I'm alone in saying sit-ups aren't fun. I don't know if it's because I need to have someone or something there to make sure my feet stay put on the ground during the full movement or ...