Your arm hangs weak, your fingers are numb, and a doctor has used the words brachial plexus. Riders in a brachial plexus injury motorcycle crash often hear the diagnosis before anyone explains it, and it changes what your claim is worth in ways a broken bone does not. The medical clock matters as much as the legal one.
This guide explains the injury in plain terms, why early testing and surgical consults shape your damages, how lost earning capacity is built for riders who work with their hands, and what a life-care plan adds.
What is a brachial plexus injury?
The brachial plexus is a network of nerves that begins at the neck, passes under the collarbone and runs toward the armpit. It controls movement and feeling in your shoulder, arm and hand. The American Academy of Orthopaedic Surgeons, in its patient guide to brachial plexus injuries, describes a traumatic brachial plexus injury as sudden damage to these nerves that may cause weakness, paralysis and loss of feeling.
The same source says most traumatic cases happen when the arm is forcefully pulled or stretched, and it lists motorcycle collisions as the most common cause. That fits the physics. A rider thrown from the bike often lands shoulder-first while the head and neck go one way and the arm goes another.
Severity varies a great deal. A mild stretch may heal without treatment. A tear may need surgery. The most severe form, an avulsion, means a nerve root has been pulled out of the spinal cord, and the same source says that type cannot be repaired, though surgery may be used to try to improve function.
What symptoms should I tell my doctors about?
Say everything, even the odd sensations. Weakness raising the arm, trouble bending the elbow, a hand that will not grip, numbness along the thumb or the outer arm, and burning or electric pain are all relevant. Pain that shoots or tingles without anything touching the skin is a recognized feature of nerve injury, and it deserves a place in your chart.
Where the weakness shows up helps doctors locate the injury. Upper-trunk injuries tend to affect lifting the arm and bending the elbow. Lower-trunk injuries tend to spare the shoulder and elbow but take away hand function, which is the pattern that ends careers for electricians, mechanics, cooks and drivers. Extreme force can affect the whole plexus.
Many riders with this injury also have other injuries: fractures of the collarbone or shoulder, rib fractures, chest injuries or a head injury. Pain from broken bones can mask nerve symptoms in the first days. If your arm still feels dead after the cast comes off, say so at the next visit and ask whether a nerve injury has been ruled out.
Why does the timeline matter so much?
Nerves heal slowly, and muscle that goes without nerve input for too long loses the ability to recover. The orthopaedic surgeons’ guidance says patients should be evaluated and treated within an appropriate timeframe, typically within a few months of the injury, because the longer a muscle is without nerve input, the less likely it is to function normally again.
That is why a “wait and see” approach can be risky if no one is tracking your recovery. Mild injuries may recover on their own, and doctors sometimes monitor for that. Severe ones need a surgeon who treats nerve injuries to look at your case early, so a decision about surgery is made on facts, not drift.
The delay also hurts your claim. If months pass with no specialist visit, the insurer will argue that your problem was minor, that you did not follow through, or that something else explains your arm. Prompt, steady care protects your health and your proof.
Why do early EMG studies and surgical consults matter for damages?
Electrodiagnostic studies, often called EMG and nerve conduction tests, measure nerve signals and muscle response. The orthopaedic source says they can confirm the diagnosis, locate the injury, show how serious it is and track nerve recovery. A baseline can be done as early as 3 to 4 weeks after injury, though it is more useful after several months, and doctors may repeat it to see whether nerves are recovering.
For a claim, those results are objective proof. A numb arm is hard to measure by looking at it. An EMG report showing damage, then a repeat showing slow or no recovery, tells an adjuster or a jury something they cannot dismiss as exaggeration.
A consult with a surgeon who handles brachial plexus injuries serves two purposes. It tells you what treatment might help, and it creates a record of what the surgeon expects. Surgeons describe options such as nerve grafts, nerve transfers, and tendon or muscle transfers, depending on the injury and how long it has been. They also warn that even surgery may not return the arm or hand to normal.
Your lawyer needs those honest answers. A claim built on a surgeon’s realistic outlook is stronger than one built on hope, and it protects you from settling before the long-term picture is clear.
How does recovery shape the value of a claim?
Recovery is slow. The orthopaedic guidance notes that nerve regeneration happens at about 1 mm per day, so results after a repair may take many months to appear. Therapy, both physical and occupational, usually continues throughout, to prevent stiffness and to teach daily tasks with the unaffected arm.
That uncertainty cuts against early closure. If an insurer offers to close the claim at month four, you do not yet know whether the arm will work. A fair evaluation waits for medical answers, or at least for a surgeon’s opinion about permanent limits.
Pain deserves its own attention. Nerve pain can be severe and long-lasting, and it affects sleep, mood and concentration. Keep a daily record: pain level, hours slept, tasks you could not do. Those notes make the invisible part of the injury visible to a person who reads the file a year later.
Skin injuries often come with the same crash. If you also have road rash, our piece on road rash and skin graft damages in a Nevada motorcycle claim explains how those wounds are documented and valued alongside deeper injuries.
What about future earning capacity for riders who work with their hands?
A roofer, a technician or a restaurant cook who loses grip strength may not be able to return to the same job. That loss of earning capacity is often the largest part of a catastrophic arm injury, and it is not limited to the months you miss now. It reaches years ahead.
Building that part of a claim takes more than a doctor’s note. It starts with your work history: what tasks you performed, what the job required of your arm and hand, and what other jobs you could realistically do. A vocational expert can compare your restrictions with the demands of your old job and with any new work available in the Las Vegas labor market.
Our article on what happens if you cannot return to work after a Nevada motorcycle crash covers how job loss, retraining and reduced hours fit into a claim. For a brachial plexus injury, the open question is often not “when can you go back?” but “what can you do now?”
Be careful with returns to work that are attempted too early. If you try light duty and struggle, tell your doctor and document the problem. An insurer who sees you back on a job site may argue you have recovered, so the record should show how hard the work was and what help you needed.
What is a life-care plan, and do I need one?
A life-care plan is a written projection of the medical and support needs you are likely to have for the rest of your life because of the injury. A physician or a qualified planner prepares it from your medical records and treating doctors’ opinions.
For a severe nerve injury it can include future surgeries, repeat EMG studies, therapy, pain management, braces or splints, adaptive tools for the home or workplace, and help with tasks you can no longer do alone. Each item should rest on a medical opinion, not a guess.
You may not need one if your arm recovers well. If the surgeon says function is likely to stay limited, a plan helps everyone see the long-term costs in one place, rather than treating each future bill as an afterthought. It should be built with your treating doctors, not around them.
Cases at this level are often catastrophic injury cases. Our catastrophic injury practice area explains how these claims are developed when an injury permanently changes how a person lives and works.
How does fault work if the insurer blames the rider?
Insurers often look for a reason to assign part of the blame to the motorcyclist: speed, lane position, visibility, gear. Under NRS 41.141, your own negligence does not bar recovery if it was not greater than the negligence of the party you are pursuing, and the jury assigns percentages of fault. Your share reduces what you recover.
That makes the facts of the crash important. Police reports, witness statements, traffic camera footage, bike damage photos and the other driver’s phone records can all shape the percentage. Preserve the motorcycle and your gear before anyone repairs, sells or scraps them.
Do not talk to the other driver’s insurer about fault until you have advice. A casual “I may have been going a little fast” on a recorded line can be repeated for years.
What should I do right now?
Keep every appointment and ask for a referral to a surgeon who treats nerve injuries if you have not had one. Ask whether EMG testing is appropriate and when. Follow the therapy plan, even on days when the progress seems invisible.
Save pay stubs, tax returns and job descriptions so your earning history is easy to show. Photograph your arm, note changes in strength and sensation, and keep a running list of tasks you cannot do. Write down each doctor’s explanation of your outlook in your own words, then check it against the chart.
If your arm is not working the way it did before the crash, we can look at your records and the other side’s insurance with you. You can contact our Las Vegas team for a free consultation, and one conversation can tell you which records to gather next and what a fair timeline looks like.
This article is general information about Nevada law, not legal advice. Reading it does not create an attorney-client relationship.
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