Isotonic exercises were introduced by De Lorene in 1954. This term comes from the Greek word 'so' which means 'same or equal' maintaining equal (muscle) tone or tension'. In this one muscle group contracts the opposite relaxes during which the muscle changes its length.
Who is the founder of isotonic?
[Sydney Ringer and the discovery of the isotonic solution in 1882.
Who introduced isotonic exercise first time?
The study at the Max Planck Institute consisted of over 200 experiments over a ten-year period. Theodor Hettinger published his book Physiology of Strength. They both developed a training program based on isometrics exercise.