Prepare for some DOMS, because Marc Keys has another GHD core exercise for you. GHD Russian Twists or Wood Choppers as he calls them.
… be thankful you’re even alive. Over at the tight tan slacks of dezso ban you can see how people trained their abs back in 1940s. And surprise, surprise… nothing much has changed since then. These exercises survived, because they are effective. Leg raises, Dragon flags, Russian twists, barbell sit-ups, even GHD sit-ups it’s all been [...]