Lindsey Vonn is one strong badass on skis, and we know doing pull-ups is one way she stays in Sports Illustrated swimsuit shape [1]. But check out her upper body and core work using a TRX. If you've never tried one before, this is one superintense, challenging move called the pike [2]. It's the instability of the TRX that forces you to fire up so many muscles at once, so this is a great piece of equipment to use if you're short on time and want to see results fast.
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OK, so not only is Lindsey kicking butt in the gym with her TRX, she's doing it while on vacation, no less. No breaks for this girl! Take this as a little nudge of motivation. When you feel like skipping out for whatever reason — it's a Monday, you're tired, you're travelling, or you just plain don't feel like it — remember that any amount of time exercising is worth it, even a five-minute workout [5].
Related: If You Don't Have a TRX, This Will Make You Want One ASAP [6]