The 19 Most Difficult Yoga Poses (Part I)Headstand pose or sirsasana. ... The 8-cornered posture or Ashtavakrasana. ... Firefly pose or Tittibhasana. ... The Scorpion or Vrischikasana. ... The wheel or urdhva-dhanurasana. ... The flying crow or eka pada galavasan. ... Forearm balance or Pincha Mayurasana. ... The King Dancer or Asana Natarajâsana.