Causesof back pain

• Exertion or lifting.
• postural strain ( improper position when sitting - standing - bending)
• Severe blow or fall.
• Back disorders, ruptured lumbar disc.
• Infections.
• Nerve dysfunction.
• Osteoporosis, tumors.
• Spondylosis (hardening and stiffening of the spinal column).
• Congenital problem.
• Childbirth.
• Often there is no obvious cause.