Initially, he has to take care of his posture while sitting as well as standing.Long hours of working in poor posture leds to pain and paraspinal muscles tightness. Posture correction, strengthening and stretching of back muscles and electrotherapy can help .
Next Steps
Visit nearby Physiotherapy clinic for further assessment to rule out any another problem in his spine.
Health Tips
Take rest
Hot pack for pain relief
Take frequent breaks while working
He can use back rest while sitting