remedy for stiff back pain

Problem is acute back pain when getup from office chair while working Infringement of system please can help me with any solution to ease the pain which extends to left leg

What i use for my boyfriends worst back pain is a homemade massage lotion its very potent. You can just mix the oils in some 90%+ rubbing alcohol.
You will need:
Pepperment oil
Tea tree oil
Lavender oil
Rubbing alcohol

3 parts rubbing alcohol 2 parts pepperment 2 parts tea tree and 1 part lavender. Mix well and apply to affected area.
Just a heads up it will tingle. Helps with mucle cramps as well.

Also tea tree oil is poisonous if ingested take caution.