Hi it looks like you back is strained due to your repeated stress given to your back thatâs may be due to your driving or work posture or ageing. As you have not mentioned your age and bit of your life style history, I could suggest you three basic home remedies to give a try for 5 days minimum.
1. Maintain your spine straight when you sit and give a enough back support
2. Hot pack fomentayion before you sleep
3. Walking (Slow) for 15 mins everyday
Next Steps
If these steps are not helping, get me back to help you further with a better management. Good luck.
Health Tips
Avoid bending and lifting weights