brockway
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This Brutal TRX Finisher Is the One Move You’ll Equally Love and Hate — and Need
When we asked the folks at TRX to show us the most badass exercise that could be done with one of their legendary suspension trainers. They overdelivered. You can call it a single exercise if you want, but it’s really a combination of four foundational moves: a pushup, plank, lunge, and jump...