Almost 60 - minute gym core workout duration is supposed as ideal. (anytimestrength.com)
During the same workout duration your body will be able to burn more fats for the most ripped muscular look. (wikiweightwatcher.com)
Understandably, this marked the beginning of training protocols that shifted the emphasis from workout duration to workout intensity, enabling people to get better results for a shorter period of time. (fitnessandpower.com)