Final answer:
No, it is not necessary to only use Sanskrit terms in yoga classes. Many instructors use both English and Sanskrit terms to guide their classes.
Step-by-step explanation:
No, it is not necessary to only use Sanskrit terms in your yoga classes. While Sanskrit is the ancient language in which yoga originated, many yoga instructors today use both English and Sanskrit terms to guide their classes. Using Sanskrit terms can enhance the authenticity and traditional aspects of yoga, but it is not a strict requirement. In fact, using both English and Sanskrit terms can help students better understand and connect with the practice.