hi sir/madam,
Yes..!! it can be treated by the help of
yoga.
First of all i will tell you the main yoga aasana to be done in
depression as its the main culprit behind your
backache.
Do these Yoga Asanas and relieve your
stress of mind:-
1. Dhanurasana (Bow Pose).
2. Matsyasana (Fish Pose).
3. Janu Shirsasana (One-Legged Forward Bend).
4. Setubandhasana (Bridge Pose).
5. Marjariasana (Cat Stretch).
6. Paschimottanasana (Two-Legged Forward Bend).
7. Hastapadasana (Standing Forward Bend).
8. Adhomukha Shwanasana (Downward Facing Dog).
9. Shirshasana (Headstand).
10.Shavasana (Corpse Pose).
You can check these aasanas in the internet for applying it.These yoga postures can help achieve a happy and healthy mind and body. Asanas help release tension and negativity from the system.
Now for your backache do these yoga aasana:-
1. Ardha Matsyendrasana(Sitting Spinal Twist).
2. Dhanurasana (Bow Pose).
3. Marjariasana (Cat Stretch).
4. Balasana(Child Pose).
5. Halasana(Plow Pose).
6. SUPTA MATSYENDRASANA(THE TWO KNEE SPINAL TWIST POSE).
7.Adhomukha Shwanasana (Downward Facing Dog).
8. Urdhva Mukha Svanasana(Upward Facing Dog Pose).
9. Paschimottanasana(Seated Forward Fold).
Follow these yogas you will get best results for your problems.
Hope i was helpful.
Stay healthy,stay safe.