Surya namaskara is said to be invented by Hanuman who as a child couldn't get a guru and hence was advised by a sage to take sun as his guru. Hence I feel Surya namaskara should be done as salutation to Hanuman and also Surya. So we can use Hanuman chalisa and then Surya namaskar mantras. In modern times, different gurus are teaching different versions of this most common yoga sequence called surya namaskara and each can be seen to be different resulting in corresponding nervous configurations of a person. (1) ISHA SURYA NAMASKAR General advice: Meditation must be done in sitting posture at least for the first 2-3 years by any practioner. Asanas must be used for physical benefits only initial years of a sadhak. To eat food better, to have sex better, to work better and efficiently, to achieve better, to love better, to have better sidhis, to think and have better intellectual capabilties, etc. IF needed only then should meditation be done in non-sitting postures, because oth...