Three Posture of Lord Vishnu are seen here,
- Standing (Sri Thenkalai Srinivasa Perumal)
- Sitting (Sri Lakshmi Narashimar)
- Laying (Sri Ranganathar)
http://en.wikipedia.org/wiki/Sri_Thenkali_Srinivasa_Perumal_Koil
Yoga
http://www.yogajournal.com/article/practice-section/laid-back/
Also See
http://divyainfo.blogspot.com/2015/04/three-posture-in-single-temple.html