Suryanamaskara A has 9 vinyasas (9 steps) as follows
Stand in samasthiti
Ekam : 1 inhale arms up
Dve. : 2 while exhaling, arms down inline with the feet and head to the knees
Trini. : 3 chin up inhale
Chatvari. :4 while exhaling walk back into lower plank
Pancha. :5 inhale upward facing dog
Shat. : 6 exhale downward facing dog, 5 rounds of breathing.
Sapta. : 7 inhale, walk forward in between your hands
Ashtu. :8 exhale head to the knees
Nava :9 while inhaling stand up, arms up and Samasthiti.
Try practising 5-8 Suryanamaskara A on empty stomach, preferably in the morning. In the beginning there might be a bit of muscle soreness but as the body starts getting use to the movements you will feel strength and flexibility improving.
Do let us know your how you feel post practice. Also, if you have any ailments then please consult your physician before starting the practice. 🙂