Sciatica
"Ardha" means 'half' and 'Hala' means 'plough' in.
"Ardha" means "half" in Sanskrit. Since the full posture is difficult to be practiced, the half-posture, which is easier, is followed widely. This posture was first promoted by the great Yogi Matsyendranath, one of the founders of Hatha Yoga, and hence the name.
"Danda" means "stick" in Sanskrit.
"Padma" means "lotus" in Sanskrit. "Padmasana" means sitting in the "Lotus Pose". This posture is called Padmasana because the arrangement of the hands and feet resemble a lotus when seen from a distance. The two feet placed upon the opposite thigh resemble the leaves while the two hands placed one over the other resembles the lotus in full bloom.
"Parvata" means "mountain" in Sanskrit. As the arms are raised high and the fingers are joined together above the head in this posture, the body resembles mountain peak and hence the name.
"Titali" means "butterfly" in Sanskrit.
"Sukha" means "pleasant" or "comfortable" in Sanskrit. Any cross-legged sitting position which you find comfortable, in which the body does not shake and in which you can remain at ease for a long time, is called Sukhasana.
"Supta" means "asleep" in Sanskrit. "Supta Vajrasana" is lying down supine in Vajrasana.
"Tri" means "three", "Kona" means "angle", and "Trikona" means "triangle" in Sanskrit The straight legs with the floor between the feet resemble the three sides of a triangle in this asana. Hence the name.