Erb’s Palsy

(Erb-Duchenne Paralysis; Brachial Plexus Palsy)
  • Definition

    Erb’s palsy happens when a baby’s neck is stretched during labor and delivery. This can cause damage to the upper nerves of the neck and shoulder. The nerve damage can then cause certain muscles in the baby’s arm to be weak. Over time, the baby can recover movement. Feeling in the arm can also be recovered. In some cases, long-lasting damage can occur.
    Vaginal Birth
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  • Causes

    Erb’s palsy is usually caused by:
    • Long, difficult delivery
    • Delivery of a large baby
    • Shoulder dystocia
    • Breech delivery
  • Risk Factors

    Factors that increase your chance of delivering a baby with Erb’s palsy include:
    Tell your doctor if you have any of these risk factors.
  • Symptoms

    Often, Erb’s palsy is discovered after birth due to the typical signs and symptoms, such as:
    • Inability of your baby to move an arm or shoulder
    • Arm is bent inward toward the body
    • Weak or absent reflexes in the arm
    • Loss of feeling in the arm
  • Diagnosis

    The doctor may ask about your baby's symptoms and medical history. A physical exam will be done. Other tests may include:
    • Your baby may need images taken of bodily structures. This can be done with:
  • Treatment

    Talk with the doctor about the best treatment plan, which may include:
    • Physical therapy—This can help keep your baby’s joints and muscles flexible and strong. You will take an active role in moving your baby’s shoulder, arm, and hand. Massage may also be an option.
    • Surgery—This may be recommended in cases where there is no improvement.
    When your child is older, other treatments may be recommended, such as:
    • Muscle and tendon transfer surgery to improve function
    • Joint fusion surgery
  • Prevention

    To help reduce your baby’s chance of Erb’s Palsy, take the following steps:
    • Have regular prenatal care visits.
    • Tell your doctor if you have had previous difficult deliveries.
    • Follow your doctor's instructions if you are diagnosed with gestational diabetes.

    American Academy of Orthopedic Surgeons

    American Academy of Family Physicians


    Canadian Orthopaedic Association

    Society of Obstetricians and Gynaecologists of Canada


    Brachial plexopathy. EBSCO DynaMed website. Available at: Updated December 19, 2012. Accessed March 13, 2013.

    Erb’s palsy. Patient UK website. Available at: Updated January 22, 2010. Accessed March 13, 2013.

    Erb's palsy (brachial plexus birth injury). American Academy of Orthopedic Surgeons website. Available at: Updated December 2010. Accessed March 13, 2013.

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