1. Yama - self-restraint, self-control and discipline. 5 restraints:
-Ahimsa: nonviolence 
-Satya: [bad word] 
-Asteya: nonstealing 
-Brahmacharya: continence 
-Aparigraha: noncovetousness
2. Niyama - 5 observances:
-Saucha: cleanliness 
-Samtosa: contentment 
-Tapas: heat; spiritual austerities 
-Svadhyaya: study of the sacred scriptures and of one's self 
-Isvara pranidhana: surrender to God
3. Asana - yoga position.
4. Pranayama - breath control.
5. Pratyahara - withdrawal of senses from their external objects. 
6. Dharana - concentration.
7. Dhyana - steadfast meditation.
8. Samadhi -  state of consciousness and total equillibrium.