How Do You Know If You Have Pulled a Back Muscle? — ScanAlign private EOS imaging clinic, Harley Street
Spine & Back

How Do You Know If You Have Pulled a Back Muscle?

A pulled back muscle usually causes a sudden, sharp pain that is directly linked to a movement, such as lifting, twisting or bending. The area feels stiff and tender to touch. Pain typically worsens with movement and eases with rest. If it does not improve within a few weeks, or you develop nerve symptoms, further investigation may be needed.

Key takeaways

  • A muscle strain hurts most with movement and usually improves within two to six weeks.
  • Pain that shoots down your leg, or comes with numbness, is more likely a nerve or disc problem than a simple strain.
  • Repeated strains may point to an underlying muscle imbalance or alignment issue.
  • Most strains do not need imaging, but pain that lingers beyond six weeks is worth investigating.

Almost everyone will pull a back muscle at some point. It is the most common cause of acute lower back pain, and it usually resolves on its own. The challenge is telling a straightforward strain from something that needs more attention.


What does a pulled back muscle feel like?

A pulled muscle in the back typically produces a localised, movement-related pain that you can often pinpoint with one hand. It tends to feel very different from deeper, nerve-type pain.

Sharp, sudden onset

Pain often arrives during or immediately after a specific movement like lifting, twisting or reaching.

Stiffness and guarding

Your back muscles tighten to protect the injured area. Bending or rotating feels restricted.

Muscle spasm

Involuntary cramping or twitching in the surrounding muscles is common in the first few days.

Worse with movement, better with rest

The pain is clearly mechanical. It flares when you move and settles when you sit or lie down.

You may also notice localised swelling or tenderness right over the muscle. The pain usually stays in the back rather than travelling down a leg.


What causes a pulled muscle in the back?

A back muscle strain happens when muscle fibres are stretched or torn beyond their normal range. Common triggers include heavy lifting, awkward twisting, sudden movements and overuse.

Heavy or awkward lifting

Lifting with a rounded spine or twisting while carrying a load.

Weekend warrior sports

Jumping into intense activity without warming up properly.

Prolonged poor posture

Hours of sitting or standing in one position weakens and fatigues muscles.

Muscle imbalance or weakness

When one side works harder than the other, injury risk rises over time.

Sometimes the cause is less obvious. Repeated minor strains can signal an underlying muscle imbalance or an alignment issue in the spine, pelvis or hips that puts extra load on certain muscles.


Is it a pulled muscle or a slipped disc?

This is one of the most common questions people search for, and for good reason. The two can feel similar at first, but they behave differently.

How Do You Know If You Have Pulled a Back Muscle? — ScanAlign clinic illustration

Muscle strain tends to stay in the back. The pain is dull or aching, linked clearly to movement, and does not travel down into the leg. You can usually point to the sore spot with one finger.

A disc problem often sends pain, tingling or numbness into the buttock or leg. You may feel weakness in the foot or a burning sensation along a nerve path. The pain can be worse when sitting or coughing.

If your pain stays local, started with an obvious movement, and gradually improves over a couple of weeks, a strain is the most likely explanation. If it radiates, or comes with nerve symptoms, it is worth looking into further. You can learn more about when to see a specialist.


How long does a pulled back muscle take to heal?

Most mild to moderate back muscle strains improve noticeably within two to four weeks. A more significant tear may take six weeks or longer to feel back to normal.

What helps recovery

  • Keep moving gently. Bed rest for more than a day or two can slow healing. Light walking and gradual stretching help muscles recover.
  • Use heat, not ice, after the first 48 hours. Warmth relaxes tight muscles and encourages blood flow to the area.
  • Over-the-counter pain relief. Anti-inflammatories or paracetamol can help you stay mobile in the early days. Speak to a pharmacist if unsure.
  • Gradual return to activity. Build back up slowly rather than jumping straight into what caused the injury.

If you are still in significant pain after six weeks, or if the strain keeps coming back, that pattern may suggest something beyond a simple pull. Repeated strains sometimes point to a muscle imbalance or a structural issue such as spondylolysis, a stress fracture often mistaken for a strain.

Pain lasting more than six weeks, or strains that keep returning, may be worth investigating further. You can book an assessment if pain persists.


When should you get urgent help for back pain?

Most pulled muscles are not serious. However, some symptoms require urgent medical attention. Contact your GP, call 111 or go to A&E if you experience any of the following:

  • Numbness or tingling around your groin or between your legs (saddle area).
  • Loss of bladder or bowel control, or difficulty passing urine.
  • Sudden weakness in one or both legs.
  • Severe, unrelenting pain that does not ease in any position, especially at night.
  • Back pain after a significant fall, accident or trauma.

These can be signs of a condition that needs immediate treatment. Do not wait to book an imaging appointment. Seek urgent medical care first.


Does a pulled back muscle need imaging?

A straightforward muscle strain usually does not need a scan. Your body heals the fibres over a few weeks and imaging in the early stages rarely changes what you do about it.

Imaging becomes useful when pain lingers, keeps returning, or when you want to rule out something else. A standing whole-body assessment can reveal alignment issues in the spine, pelvis or hips that may be overloading certain muscles. When you stand, your body is under its normal load. Problems that hide on a lying-down scan, where gravity is removed and muscles relax, can become visible.

At ScanAlign, the EOS system captures a full standing image from head to feet using about 90% less radiation than a standard X-ray, around ten times less. This is helpful for people with recurring strains, because it can show whether one area of the body is compensating for misalignment elsewhere.

When MRI is the better choice: EOS shows bones, joints and alignment clearly. For soft tissue detail such as discs, nerves or the muscle fibres themselves, MRI is usually the better tool. Your clinician can advise which is more appropriate for your situation.


Frequently asked questions about pulled back muscles

A pulled muscle typically hurts in one specific area, is linked to a clear movement, and improves gradually over days. If pain shoots down a leg, comes with numbness or does not improve after a few weeks, it may be worth investigating further.

Most strains improve within two to four weeks. More severe tears may take up to six weeks. If pain continues beyond that, there could be an underlying factor keeping the muscle under stress.

In the first 24 to 48 hours, a cold pack can help reduce initial inflammation. After that, warmth tends to be more helpful because it relaxes the muscles and encourages blood flow to the area.

Gentle movement is usually better than bed rest. Staying active helps the muscle heal and prevents stiffness. Avoid the specific activity that caused the strain, but try light walking and careful stretching.

A pure muscle strain normally stays in the back. Pain that travels into the buttock or leg may suggest nerve irritation or a disc issue rather than a simple strain. It is worth speaking to a clinician if this happens.

Repeated strains can point to a muscle imbalance, poor alignment, or an underlying structural issue that puts extra load on certain muscles. A standing alignment assessment can help identify whether something in your posture or skeleton is contributing.

Most simple strains do not need imaging. If the pain is not improving after about six weeks, keeps returning, or if you want to rule out another cause, imaging can be helpful.

A strain is actual damage to the muscle fibres. A spasm is an involuntary contraction, a cramp, which often accompanies a strain as the body tries to protect the injured area. Spasms can also occur on their own from fatigue or dehydration.

No. ScanAlign is a private, self-pay clinic. You do not need a GP referral. You can book a free video consultation to discuss whether a standing alignment assessment is appropriate for you.

Yes. EOS uses about 90% less radiation than a standard X-ray, around ten times less. You stand naturally while the image is taken. The process is quick and comfortable.

Still wondering about your back pain?

A free video consultation with our team can help you decide whether imaging is the right next step.

Book a free video consultation

Written by Abbas Dhami (Specialist Diagnostic Radiographer)

Sources

  1. NHS. Back pain. nhs.uk. Available at: https://www.nhs.uk/conditions/back-pain/
  2. Casazza BA. Diagnosis and treatment of acute low back pain. American Family Physician. 2012;85(4):343-350.
  3. National Institute for Health and Care Excellence (NICE). Low back pain and sciatica in over 16s: assessment and management (NG59). 2016, updated 2020.

This page is general information and not a diagnosis.

ScanAlign is the trading name of CoreMed Solutions Ltd and operates under The Harley Street Hospital's CQC licence.