In the 1970s, Gert F Kolbel — a German inventor — took an existing patent and created what could be considered the first "isometric exercise equipment."
It Was Called the Tensolator
The original patent belonged to Arthur A. Pons. His was a simple device that consisted of two tubes with a handle at the end — with a resistance spring inside.
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Why are millions of Americans and for that matter — individuals worldwide using Isometric Exercise Equipment?
Perhaps it is because Isometrics has been rediscovered. Nothing is ever lost you see because physical therapists, strength and conditioning coaches and power lifters have been using isometric training for years.
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