Pathophysiology of mechanical backache
Mechanical pain is a general term used for any type of back pain/strain caused due to abnormal stress and strain on muscles of the vertebral column.
Lifetime prevalence of low back pain is high in 84% of people.
23% of people have chronic low back pain, and 11â€“12% of the population face disability by low back pain.
80% of patients have a recurrence. 
Mechanical back pain/Lower back pain:
- Is a major public health problem worldwide
- Is the second most common complaint
- Is the third most expensive disorder
- Indicates that smokers have an increased incidence of back pain compared to nonsmokers (higher in adolescents than in adults)
- Mostly results from poor posture, poorly-designed seating, and incorrect bending and lifting motions
Fractures of the vertebra, back or neck sprain and strain, disc herniation, vertebral compression fracture (VCF), lumbar spinal stenosis (LSS), spinal osteoarthritis (spondylosis), spondylolisthesis, muscle strains in the paraspinal muscles, ligament injuries in the spine, and so on are reasons for mechanical back pain.
Occurs at least once in 85% of adults younger than 50 years
Symptoms can vary widely:
- Pain that develops slowly over time
- Pain that comes on and off, but worsens over time
- Pain after an injury
- Delayed pain after injury
If L3-L4 is affected: Shooting pain in the front of the thigh, with possible numbness or tingling
If L4-L5 is affected: Sciatic pain in the back & thigh, with pain reaching the calves, combined with axial low back pain
If L5-S1 is affected: Pain in lumbosacral joint or sacroiliac joint or from a compressed nerve root or sciatica
If there is LBP with loss of bladder and bowel control, recent un planned weight loss, fever and chills, and severe, unrelenting pain in the abdomen, contact a doctor immediately.
Weight loss, if necessary
Doing back-strengthening exercises
Learning and adhering to proper lifting techniques
Wearing back belts
Treatments depend on symptoms and are target-dependent. If the pain lasts for more than four weeks, see a doctor.
Chiropractors, physiatrists, physical therapists, orthopedic surgeons, neurosurgeons, pain management physicians, anesthesiologists, rheumatologists, and neurologists treat backache depending on the diagnosis. mfine has an impressive list of eminent experts you can seek help from.