Cernovich @Cernovich
I do 5 to 10 minutes backwards walking on manual treadmill as warm up. Then sled pushes forward and back. Every time. Even just the sled sometimes with no added weight. — PolitiTweet.org
And yet it moves @andyetitmoves10
@Cernovich If you walk backwards on one at the highest resistance, it mimics the "knees over toes" work of pulling… https://t.co/uyBitTrAAK