Proof old fashioned vibrating belt machines could actually be good
Is Whole Body Vibration Therapy a Scam?
Bizarre Things People Actually Believed 60 Years Ago
What was the thinking/ science behind the vibration belt exercise machines from the 50s, and did they actually contribute to weight loss? - Quora
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How Modern Vibration Machines are Different Than the Old Belts
Solved The motion y(x,t) of a vibrating system is described
Weight loss equipment demonstration, 1969-05-01
8 slightly-terrifying vintage exercise machines
How Modern Vibration Machines are Different Than the Old Belts