Yoga normalization of muscle function. Excercise increase in muscle tension.
Yoga low caloric utilization. Excercise moderate to high caloric utilization.
Yoga breathing is controlled. Excercise breathing is erratic or taxed.
Yoga Physical effort is minimized or controlled. Excercise physical effort is maximized.
Yoga internal mental awareness. Excercise external awareness.
Yoga Low risk of injury. Excercise moderate to high risk of injury.
Excercise develop toxins where as yoga help in removing them.
Yoga activities the parasympathetic nervous system while excercise the sympathetic nervous system.
Asanas are non competitive and non violent. Excercise are competitive.
The main difference between asanas and forms of vigorous excercise is that asanas affect the internal organs and are not just like skeletal or muscular excercise.