“No pain, no gain” is a commonly used expression when it comes to getting in shape. It may also be why many of us think that you need to feel sore after a workout to know that you’ve done enough.
...Why you don’t need to feel sore after workout to know it’s worked
David R Clark,
Senior Lecturer, Strength and Conditioning, Liverpool John Moores University;
Carl Langan-Evans,
Postdoctoral Research Fellow, Strength and Conditioning, Liverpool John Moores University;
Rob Erskine,
Associate Professor in Neuromuscular Physiology, Liverpool John Moores University