Yoga is a physical, mental and spiritual practice that originated in ancient India. First codified by the sage Patanjali in his Yoga Sutras around 400 C.E, the method was handed down from teacher to student long before this text arose.
Many people worldwide study the impact of yoga on the human body, and there have been findings showing how some yoga poses can help fight anxiety and panic attacks.

1. Channel-Cleaning Breath (Nadi Shodhana)
2. Bound Angle Pose (Baddha Konasana)
3. Big Toe Pose (Padangusthasana)'
4. Cat Pose (Marjaryasana)
5. Cow Pose (Bitilasana)
6. Bridge Pose (Setubandha)
7. Camel Pose (Ustrasana)
8. Bow Pose (Dhanurasana)
9. Extended Puppy Pose (Uttana Shishosana)
10. Extended Triangle Pose (Utthita Trikonasana)

These poses are helpful to calm the mind and the effect of anxiety attacks.
A detailed reading could be made on the link given below to understand the poses better and learn how to do them.

https://greatist.com/health/yoga-for-anxiety#best-poses