We'd like to give a standing ovation for The Ross Sisters - the all-singing, all-dancing, contortionist trio - who put our apple eating to shame (watch the video for reference).
The video, from 1944, recently resurfaced on Facebook to bring us some vintage fitspiration - and boy are we glad it did.
TIP: the video starts off slow, but bear with it. If you're pressed for time skip to 1 minute in, which is where the fun really starts happening.
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We're not sure why they are singing about potato salad, but we can't get the tune out of our heads.
Now if you'll excuse us, we're off to do some yoga...