Sciatica or Tight Muscles? How to Tell the Difference

Have you noticed pain travelling from your lower back or buttock into your leg?

It can be difficult to know whether you have irritated a muscle, strained your lower back or developed symptoms associated with sciatica. Although these conditions can sometimes feel similar, they do not necessarily have the same cause and may require different management approaches.

Understanding the common differences between muscular pain and sciatic nerve-related pain can help you recognise when it may be time to seek a professional assessment.

What Is Sciatica?

Sciatica is not a condition or diagnosis on its own. It is a term used to describe symptoms associated with irritation or compression of nerve roots that contribute to the sciatic nerve.

The sciatic nerve is formed by nerve roots arising from the lower back and travels through the buttock and down the leg. When one or more of these nerve roots become irritated, symptoms may be felt anywhere along this pathway.

Sciatica commonly causes pain that extends from the buttock down the leg. It may also be accompanied by altered sensation or weakness. Disc-related problems are a frequent cause, although an individual assessment is needed to determine what may be contributing to a person’s symptoms.

Common Symptoms of Sciatica

Sciatica can feel different from person to person. However, several symptoms are commonly reported.

Pain that travels down the leg

Rather than remaining in one part of the lower back, sciatic pain often travels through the buttock and into the thigh. It may continue below the knee and into the calf, foot or toes.

Some people experience very little back pain but significant pain further down the leg.

Sharp, burning or electric pain

Sciatic pain is often described as:

• Sharp or shooting
• Burning
• Electric or shock-like
• Searing
• Deep and difficult to pinpoint

This is different from the dull ache, stiffness or tenderness that is more commonly associated with muscular pain.

Numbness or tingling

Sciatica may cause pins and needles, numbness or unusual sensations in the leg, foot or toes.

The location of these symptoms can vary depending on which nerve root is affected.

Muscle weakness

In some cases, nerve irritation may affect muscle function. A person may notice weakness when lifting the foot, pushing through the toes, climbing stairs or performing other movements.

New or worsening weakness should be professionally assessed promptly.

Symptoms affecting one leg

Sciatica commonly affects one side of the body. However, symptoms can occasionally affect both sides, particularly when there is more significant pressure within the spinal canal.

Pain aggravated by coughing or sneezing

Coughing, sneezing, straining or certain spinal movements may temporarily increase pressure around an irritated nerve root and cause leg pain to worsen.

Prolonged sitting may also aggravate symptoms for some people.

What Can Cause Sciatica?

Sciatica may be associated with several underlying conditions.

Possible causes include:

• Lumbar disc herniation
• Age-related changes affecting the spinal joints or discs
• Narrowing around a nerve root
• Lumbar spinal stenosis
• Spondylolisthesis, where one vertebra moves in relation to another
• Injury or inflammation affecting tissues around the nerve
• Less commonly, conditions outside the spine that irritate or place pressure on the sciatic nerve

Pain around the buttock or leg is not always caused by sciatica. Hip conditions, sacroiliac joint problems and muscular pain can sometimes produce similar symptoms.

This is why an examination is important rather than relying only on where the pain is felt.

Sciatica Versus Muscular Pain

The following differences may help you understand your symptoms. However, they should not replace a professional assessment.

Location of the pain

Sciatica:
Pain commonly travels from the buttock into the leg and may extend below the knee into the calf or foot.

Muscular pain:
Pain is more likely to remain around the lower back, hip or buttock. It may spread into nearby areas, but it is less likely to follow a nerve-like pathway into the foot.

Type of pain

Sciatica:
Pain may feel sharp, shooting, burning or electric.

Muscular pain:
Pain is more commonly described as aching, tight, stiff, cramping or throbbing.

Numbness and tingling

Sciatica:
Numbness, pins and needles or altered sensation may occur in the leg or foot.

Muscular pain:
Tight or strained muscles do not usually cause numbness or tingling extending into the foot.

Weakness

Sciatica:
Weakness may develop when nerve function is affected.

Muscular pain:
Movement may feel limited because of pain, but true nerve-related muscle weakness is less common.

Tenderness to touch

Sciatica:
Pressing a muscle may not reproduce the deeper pain travelling down the leg.

Muscular pain:
There may be a distinct tender area, tight band or sore point that can be reproduced by pressing the affected muscle.

Response to movement

Sciatica:
Certain spinal positions, prolonged sitting, bending, coughing or sneezing may aggravate leg symptoms.

Muscular pain:
Pain may be most noticeable during the first few movements after resting and may gradually ease with comfortable movement.

These patterns are useful clues, but they are not absolute rules. Muscular and nerve-related symptoms may also occur together.

Could a Tight Piriformis Muscle Cause Similar Symptoms?

The piriformis is a small muscle located deep in the buttock near the sciatic nerve.

Pain arising around this muscle can sometimes cause buttock discomfort and symptoms that extend into the upper leg. This may resemble sciatica, although true irritation of the sciatic nerve by the piriformis is considered less common than lumbar causes of radiating leg pain.

It is not possible to determine the cause simply by assuming that the piriformis is tight. The lower back, hips, muscles, nerves and neurological function may all need to be assessed.

When Is Sciatica an Emergency?

Most cases of sciatica do not require emergency treatment. However, certain symptoms may indicate significant nerve compression and require immediate medical attention.

Go to the nearest emergency department or seek urgent medical assistance if you experience:

• New loss of bladder or bowel control
• Difficulty beginning or controlling urination
• Numbness around the genitals, inner thighs, buttocks or saddle area
• Significant or rapidly worsening weakness in one or both legs
• Difficulty lifting the front of the foot, sometimes called foot drop
• Symptoms affecting both legs together with bladder, bowel or saddle-area changes

These symptoms may be associated with cauda equina syndrome, a rare but serious medical emergency.

Other reasons to seek prompt medical advice include severe pain following significant trauma, unexplained weight loss, fever, a history of cancer, feeling systemically unwell or pain that is severe and unrelenting at night.

How Is Sciatica Assessed?

A chiropractor assessing suspected sciatica may ask about:

• Where the pain begins and where it travels
• Whether there is numbness, tingling or weakness
• Movements or positions that aggravate the symptoms
• Recent injuries or changes in physical activity
• Bladder, bowel or saddle-area symptoms
• Previous episodes of back or leg pain
• General health and relevant medical history

The physical assessment may include checking:

• Spinal and hip movement
• Muscle strength
• Reflexes
• Sensation
• Nerve tension or sensitivity
• Walking and functional movements
• Signs suggesting that further medical investigation may be required

Imaging is not automatically needed for every person with sciatica. A chiropractor may recommend referral for medical assessment or imaging when the history or examination suggests that it is clinically appropriate.

Chiropractic Care for Sciatica

The appropriate treatment depends on the suspected cause, the severity of the symptoms and the findings of the examination.

Chiropractic care may be considered as part of a conservative management plan for some people with lower-back-related leg pain.

Depending on the individual, care may include:

• Spinal mobilisation or manipulation
• Gentle manual therapy
• Soft-tissue techniques
• Advice about comfortable movement and daily activities
• Mobility or strengthening exercises
• Gradual return-to-activity planning
• Education about managing flare-ups
• Referral to another healthcare practitioner when appropriate

The aim is not to force a nerve back into place. Treatment is generally directed towards improving movement, reducing mechanical sensitivity, maintaining activity and helping the person gradually return to normal function.

No single treatment is appropriate for everyone. Some patients may benefit from manual care, while others may require a greater emphasis on exercise, medical management or further investigation.

Physiotherapy and Exercise Rehabilitation

Exercise rehabilitation is often an important part of managing sciatica.

Depending on the person’s symptoms and needs, a chiropractor may provide appropriate rehabilitation advice or recommend physiotherapy as part of a collaborative approach.

A physiotherapist may help with:

• Progressive strengthening
• Mobility exercises
• Movement retraining
• Returning to work, sport or daily activity
• Building confidence with previously painful movements

Some exercise approaches aim to centralise symptoms. This means that pain felt further down the leg gradually moves closer to the lower back and becomes less intense.

Centralisation can be a positive sign for some patients, but exercises should be selected according to the individual’s presentation. An exercise that helps one person may aggravate another.

Medical Treatment

Medication may be considered in some cases, but it should be discussed with a doctor or pharmacist who can assess whether it is safe and suitable.

Treatment decisions may depend on:

• The severity and duration of the pain
• Other health conditions
• Current medications
• Previous reactions to medication
• Whether there are signs of significant nerve involvement

More invasive treatments, including injections or surgery, may be considered when symptoms are severe, neurological function is deteriorating or appropriate conservative care has not provided sufficient improvement.

Surgery is not routinely required for everyone with sciatica. Research suggests that many people improve over time with non-surgical management, although recovery rates and treatment needs vary between individuals.

What Can You Do at Home?

While waiting for an assessment, the following general measures may be helpful.

Remain comfortably active

Prolonged bed rest is generally discouraged. Short walks and regular, comfortable changes of position may be better than remaining still for long periods.

Activity should be guided by symptoms. This does not mean pushing through severe or worsening leg pain.

Avoid staying in one position too long

Regularly change between sitting, standing and gentle movement.

For some people, shorter periods of sitting with frequent movement breaks are more comfortable than one prolonged sitting session.

Try heat or cold

Heat or a cold pack may provide short-term relief. Use whichever feels more comfortable, protect the skin and avoid applying either for excessive periods.

Be cautious with stretching

Stretching is not automatically appropriate for every case of leg pain.

Aggressively stretching a sensitive nerve may aggravate symptoms. Exercises should ideally be based on the findings of an assessment rather than following a generic online routine.

Monitor neurological symptoms

Seek prompt professional advice if numbness, tingling or weakness is new, worsening or interfering with walking and daily activities.

How Long Does Sciatica Take to Improve?

Recovery varies considerably.

Some people begin to improve within several weeks, while others experience symptoms for longer. Recovery can depend on:

• The underlying cause
• The degree of nerve irritation
• The presence of weakness or sensory changes
• General health
• Work and lifestyle demands
• How long symptoms were present before treatment
• Confidence with movement and gradual activity

Many cases improve over time with appropriate conservative management, but persistent or worsening symptoms should be reassessed.

When Should You Book an Assessment?

Consider arranging an assessment if:

• Pain travels from your back or buttock into your leg
• Symptoms extend below the knee
• You experience numbness or pins and needles
• Your leg or foot feels weak
• Pain is interfering with sleep, work or normal activities
• Symptoms are not beginning to improve
• You are unsure whether the pain is muscular or nerve-related

Early assessment can help identify signs that require referral while also providing guidance about safe activity and suitable management.

Unsure Whether It Is Sciatica or Muscle Tightness?

It is not always possible to distinguish sciatica from muscular or joint-related pain based on symptoms alone.

At SA Wellness Centre, our chiropractors can assess your lower back, hips, neurological function and movement to help determine what may be contributing to your symptoms.

Where appropriate, your chiropractor may provide treatment and rehabilitation advice or recommend collaborative care with a physiotherapist, general practitioner or another healthcare professional.

To arrange an appointment, contact SA Wellness Centre on 08 8322 1788, visit us at 39 Main South Road, O’Halloran Hill, or book online through our website.

This article provides general educational information and is not a substitute for individual medical advice, diagnosis or emergency care.

References

Jensen, R. K., Kongsted, A., Kjaer, P., & Koes, B. (2019). Diagnosis and treatment of sciatica. BMJ, 367, l6273. https://doi.org/10.1136/bmj.l6273

Ropper, A. H., & Zafonte, R. D. (2015). Sciatica. The New England Journal of Medicine, 372(13), 1240–1248. https://doi.org/10.1056/NEJMra1410151

Liu, C., Ferreira, G. E., Abdel Shaheed, C., et al. (2023). Surgical versus non-surgical treatment for sciatica: Systematic review and meta-analysis of randomised controlled trials. BMJ, 381, e070730. https://doi.org/10.1136/bmj-2022-070730

Chou, R., Deyo, R., Friedly, J., et al. (2017). Noninvasive treatments for acute, subacute, and chronic low back pain: A clinical practice guideline from the American College of Physicians. Annals of Internal Medicine, 166(7), 514–530. https://doi.org/10.7326/M16-2367

Mathieson, S., Maher, C. G., McLachlan, A. J., et al. (2017). Trial of pregabalin for acute and chronic sciatica. The New England Journal of Medicine, 376(12), 1111–1120. https://doi.org/10.1056/NEJMoa1614292

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