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How Painful is a Mommy Thumb?

Published in Musculoskeletal Pain 3 mins read

The pain from mommy thumb (De Quervain's tenosynovitis) can range from mild discomfort to severe, debilitating pain, and it can significantly impact daily activities.

Mommy thumb, or De Quervain's tenosynovitis, affects the tendons on the thumb side of your wrist. It's caused by repetitive movements, especially those involving lifting and grasping, which are common when caring for a baby. This leads to inflammation and thickening of the tendons, making it painful to move your thumb and wrist.

Here's a breakdown of the pain levels and related factors:

  • Varying Degrees of Pain: The intensity of pain varies significantly from person to person.

    • Mild: Some individuals experience a dull ache or mild discomfort that comes and goes. This might only be noticeable during specific activities.
    • Moderate: Others feel a more persistent pain that interferes with everyday tasks like opening jars, turning doorknobs, or lifting objects.
    • Severe: In severe cases, the pain can be intense and constant, radiating up the forearm and making it difficult to use the affected hand. This can severely limit the ability to care for a baby or perform other essential tasks.
  • Aggravating Factors: Certain movements and activities will worsen the pain:

    • Pinching: Using your thumb and index finger to pinch or grasp objects.
    • Grasping: Holding or gripping items, especially with force.
    • Lifting: Picking up anything heavy, even a baby.
    • Twisting: Rotating your wrist.
    • Repetitive Movements: Any repetitive motion of the thumb and wrist will likely exacerbate the pain.
  • Progression of Pain: The pain can develop gradually or suddenly.

    • It may start as a mild ache and progressively worsen over time.
    • In some cases, the pain can appear abruptly, often after a particularly strenuous activity.
    • If left untreated, the pain can spread beyond the thumb and wrist, affecting the forearm.
  • Impact on Range of Motion: Pain often restricts the range of motion of the thumb and wrist. This limitation can make simple tasks challenging and further contribute to discomfort.

  • Why it's Called "Mommy Thumb": While it can affect anyone, it's commonly called "mommy thumb" because new parents, especially mothers, frequently perform repetitive hand and wrist motions related to infant care, such as:

    • Lifting and carrying the baby.
    • Supporting the baby's head during feeding.
    • Repetitive motions associated with breastfeeding or bottle-feeding.

In summary, the pain associated with mommy thumb ranges from mild to severe and can significantly impact daily life. The pain is aggravated by specific movements and can worsen over time if left untreated. Early intervention is key to managing symptoms and preventing further complications.

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