Back pain and sciatica are not one diagnosis
Pain may arise from discs, joints, muscles, ligaments or irritated nerve roots. A scan finding alone does not always explain the symptom pattern.
Sciatica commonly describes pain travelling from the lower back or buttock into the leg. Similar symptoms can occur with nerve-root irritation, peripheral nerve problems, hip conditions or other causes. Clinical history and examination help decide whether imaging, EMG/NCS or another investigation may add useful information.
Common spine-related presentations
Low back pain
New, recurrent or persistent pain affecting sitting, lifting, work, sleep or walking.
Sciatica
Leg pain, tingling, numbness or weakness that may reflect nerve-root irritation.
Neck and arm symptoms
Neck pain with pain, tingling or weakness extending into an arm or hand.
Disc disease
Symptoms described as slipped, bulging, herniated or degenerative disc problems.
Spinal stenosis
Selected cases of leg discomfort, heaviness or weakness related to walking or standing.
Post-surgical rehabilitation
Functional recovery, pacing and rehabilitation after a spine procedure.
Possible components of a management plan
- Education about the likely pain mechanism and safe activity.
- Medication review and coordination with other treating clinicians.
- Goal-based rehabilitation, mobility and strengthening progression.
- EMG/NCS when nerve-root or peripheral nerve function needs clarification.
- Image-guided or spine-related procedures for selected patients after discussion of risks, benefits and alternatives.
- Referral to spine surgery, neurology or another specialty when clinical findings indicate it.
When back pain needs urgent assessment
Spine and sciatica FAQs
Does every slipped disc need surgery?
No. Management depends on symptoms, examination, neurological findings and imaging when indicated. Some patients improve with education, activity modification, medication and rehabilitation, while urgent or progressive neurological problems require surgical assessment.
Is MRI always required for back pain?
No. Imaging is selected when it is likely to change management, when red flags are present or when symptoms and examination warrant it.
Can EMG/NCS help with sciatica?
In selected cases, electrodiagnostic testing can contribute to evaluating nerve-root function or distinguish it from a peripheral nerve problem. It is not required for every patient.