Expert Insight

How Nerve Injuries in Children Are Assessed and Managed

By Prof. Sandip Hindocha
August 21, 2026

Nerve injuries in children raise a problem adult medicine doesn’t have to deal with in the same way, the standard tools used to assess nerve function depend on a patient who can describe what they feel, cooperate with instructions and sit still for the test. A three-year-old, or a newborn with a birth-related nerve injury, can do none of that.

In short: assessing a child’s nerve injury relies far more on observation, developmental milestones and indirect signs than on the sensory testing used in adults, because most standard tests need a level of cooperation young children can’t give. Children also tend to recover better than adults from a comparable injury, but that advantage depends heavily on being picked up and referred early, obstetric brachial plexus injury being the clearest example, where the difference between an early and a late referral can mean the difference between one operation and three.

Why Assessing a Child’s Nerve Injury Is Different From an Adult’s

Standard nerve assessment in adults relies on the patient actively reporting what they feel, grading their own strength against resistance, and holding still for tests like two-point discrimination. A young child may not have the vocabulary, the attention span or the understanding of the instructions to do any of that reliably.

This doesn’t make the injury any less real or any less urgent, it just means the clinician has to build the picture from what can actually be observed, spontaneous hand use, how the child reaches for or avoids using a limb, and signs that don’t depend on the child’s cooperation at all.

The Tools That Replace Standard Sensory Testing in Young Children

The Wrinkle Test

Normal, innervated skin wrinkles after prolonged immersion in warm water, an autonomic response that doesn’t need the patient’s cooperation at all. Denervated skin doesn’t wrinkle in the same way, which makes the test genuinely useful in infants and uncooperative young children.

Its limitation is that it works best for recent, complete nerve injuries. In partial injuries or nerve compression, the correlation with actual sensory loss is far less reliable, so it supplements clinical judgement rather than replacing it.

Observation-Based Assessment and the Ten Test

Where a child can partially cooperate, simplified sensory tools like the Ten Test, comparing how a light touch feels on the injured side against the normal side on a simple numerical scale, are often more practical than formal two-point discrimination, which many younger children can’t perform reliably regardless of the injury itself.

Beyond formal testing, a huge amount of the picture comes from parents and carers describing what they’ve noticed day to day, whether the child avoids using a hand, drops objects from it, or has stopped reaching for things on one side, observations a clinic visit alone often can’t capture.

Why Nerve Conduction Studies Are Used Sparingly

Electromyography and nerve conduction studies remain useful, but in young children they often need sedation or a general anaesthetic to complete, which limits how readily they’re used and means clinical assessment usually has to carry the diagnosis in the first instance rather than waiting for electrophysiology to confirm it.

Why Children Often Recover Better, and What Still Limits That

Children generally have a genuine biological advantage over adults after a nerve injury. Shorter limb length means regenerating nerve fibres have less distance to travel to reach their target, and a child’s brain adapts to a changed or recovering limb far more readily than an adult’s does.

That advantage isn’t unconditional. It still depends on the injury being recognised promptly, the right specialist being involved at the right time, and, where surgery is an option, that window not being missed while the injury is misattributed to something else or simply given time to see if it resolves on its own.

Obstetric Brachial Plexus Injury as the Most Common Example

The most frequent nerve injury in children by far is obstetric brachial plexus injury, damage to the network of nerves supplying the arm, sustained around birth, most often associated with shoulder dystocia. Most cases resolve well without surgery, but a minority don’t, and recognising which is which early is what the whole management pathway depends on.

Global paralysis of the arm combined with Horner’s syndrome, drooping of the eyelid from associated sympathetic nerve involvement, points toward a more severe injury from the outset. Short of that, the single most useful sign is whether the baby has recovered active biceps and shoulder movement by three months of age.

Why Timing of Referral Matters So Much in Practice

A study of surgically treated obstetric brachial plexus injuries found that babies referred and operated on before three months needed an average of 1.3 operations to reconstruct the arm, compared with 3.1 operations for those referred at four to six months, with meaningfully worse shoulder and hand function in the delayed group.

The same research found that once shoulder and elbow movement is still absent at three months, the nerve damage identified at surgery tends to respond poorly to intraoperative stimulation, in other words, waiting past that point doesn’t just delay treatment, it changes what treatment can actually achieve.

This is why a three-month lack of biceps recovery functions, in practice, as a trigger for specialist referral rather than a reason to keep watching and waiting indefinitely in primary or general paediatric care.

When an Unexplained Nerve Injury Raises a Safeguarding Question

Any injury in a child that doesn’t fit the explanation given, or doesn’t fit what would be expected for that child’s developmental stage, sits alongside the clinical assessment as a separate question a treating clinician has a duty to consider. NICE’s guidance on when to suspect maltreatment in children sets out this same general principle for injuries more broadly, that an explanation inconsistent with the injury or the child’s stage of development should prompt further assessment, rather than being accepted at face value.

This cuts both ways medicolegally. A genuinely accidental or birth-related nerve injury wrongly flagged as suspicious causes real, distressing harm to a family, while a missed opportunity to consider non-accidental injury when the pattern genuinely warranted it is a separate and serious failure. Neither can be resolved by treating the nerve injury in isolation from the fuller clinical picture.

Where Negligence Claims Arise in These Cases

Most medical negligence claims involving a child’s nerve injury centre on delay rather than technique, a failure to refer to a specialist brachial plexus or paediatric hand service once red flags like absent biceps recovery at three months were present, or a general “wait and see” approach continuing well past the point it should have been escalated.

Inadequate documentation of what was actually observed at each review, relying on parental report alone without a structured record of milestones reached or missed, also comes up often, since it’s this record that later has to support or undermine the clinical decisions made at the time.

What a Medicolegal Expert Report on a Child’s Nerve Injury Needs to Address

A report in this area has to reconstruct the developmental picture at each stage, what movement and sensation was actually present at each review, not simply what was eventually diagnosed, and set that against what a reasonably competent clinician managing a child of that age should have recognised and acted on at the time.

Because children’s nerve injuries often keep changing for months or years after the event, the report also has to address where the child is likely to end up functionally, not just where they are at the point of examination, which is what ties the medical evidence to any claim for future loss.

This is the standard the report has to meet under CPR Part 35 if it’s challenged, with every conclusion tied to a specific, recorded finding rather than a general impression formed after the full picture became clear.

Frequently Asked Questions

Why can’t doctors just use the same nerve tests on children as on adults? Most standard sensory tests need the patient to cooperate, describe sensations accurately and hold still, which young children often can’t do reliably. Assessment instead relies more on observation, developmental milestones, and tests like the wrinkle test that don’t need active cooperation.

Do children recover from nerve injuries better than adults? Generally yes, shorter limb length and greater neurological adaptability both help. That advantage depends on the injury being recognised and referred promptly, it doesn’t apply if the case is missed or left too long before specialist input.

What is obstetric brachial plexus injury? It’s damage to the nerves supplying the arm, most often occurring around birth in association with shoulder dystocia. Most babies recover well without surgery, but a lack of biceps and shoulder movement by three months is a key sign that specialist referral is needed.

Does an unexplained nerve injury in a child automatically mean abuse is suspected? No. It means the explanation given should be checked against the injury and the child’s developmental stage, alongside the medical assessment, not instead of it. Most nerve injuries in children have a straightforward accidental or birth-related cause.

Why does referral timing matter so much for obstetric brachial plexus injury specifically? Research on surgically treated cases found babies referred before three months needed far fewer operations on average than those referred at four to six months, with better shoulder and hand function, because the nerve tissue itself responds less well to repair the longer surgery is delayed.

Prof. Hindocha prepares CPR Part 35 compliant expert reports on paediatric nerve injury and hand and upper limb cases for solicitors and insurers across England and Wales. Details of his hand and upper limb expert witness services and how to instruct him are on the instruction page.