The central idea of the study is based on a simple mathematical principle: a 60 lb weight is twice as tough on your body as a 30 lb weight. A 20 lb weight would require only a third of the effort. If you remove the weight completely, practically no effort is required.
Dumbbell training without the dumbbell |
Weight-free weight training could be particularly revolutionary for the elderly because it greatly reduces the strain placed on joints.
In addition, buying no weights is significantly cheaper than buying weights.
For now, the same group of researchers are part way through their next study which aims to determine whether it is even easier and would save more time simply not to go to the gym at all. The scientists and their 30 participants are due to finish the study in late September.
fed, dan, ssi; pictures: Shutterstock; first published 2018-02-25
Read the German version HERE.