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What Are Repetitive Stress Injuries?

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Repetitive stress injuries affect millions of people in the United States.

Repetitive stress injuries include a large group of conditions that primarily affect the soft tissues, including the nerves, tendons, ligaments, and muscles.

What Are Repetitive Stress Injuries?

Repetitive stress injuries are a family of muscular conditions that result from repeated motions performed in the course of normal work or daily activities. Repetitive stress injuries are also called:

  • Cumulative Trauma Disorders
  • Repetitive motion disorders
  • Overuse Syndromes
  • Repetitive stress injuries can include:

  • carpal tunnel syndrome
  • bursitis
  • tendinitis / tendonitis
  • epicondylitis (tennis elbow)
  • ganglion cyst
  • tenosynovitis
  • trigger finger
  • What Causes Repetitive Stress Injuries?

    Repetitive stress injuries are caused by:

  • too many uninterrupted repetitions of an activity or motion
  • unnatural or awkward motions such as twisting the arm or wrist
  • overexertion
  • incorrect posture
  • muscle fatigue
  • Where Do Repetitive Stress Injuries Occur?

    Repetitive stress injuries occur most commonly in the:

  • hands
  • fingers
  • thumbs
  • wrists
  • elbows
  • shoulders
  • Repetitive stress injuries can also happen in:

  • neck
  • back
  • hips
  • knees
  • feet
  • legs
  • ankles
  • What Are The Signs And Symptoms Of Repetitive Stress Injuries?

    Repetitive stress injuries are often characterized by:

  • pain
  • tingling
  • numbness
  • visible swelling or redness of the affected area
  • loss of flexibility and strength of the affected area
  • For some individuals, there may be no visible sign of injury, although they may find it hard to perform easy tasks.

    Over time, repetitive stress injuries can cause temporary or permanent damage to the soft tissues in the body such as the:

  • muscles
  • nerves
  • tendons
  • ligaments
  • Repetitive stress injuries can also cause compression of nerves or tissue.

    Who Is Affected Most By Repetitive Stress Injuries?

    Generally, repetitive stress injuries affect individuals who perform repetitive tasks such as:

  • assembly line work
  • meatpacking
  • sewing
  • playing musical instruments
  • computer work
  • Repetitive stress injuries may also affect individuals who engage in activities such as:

  • carpentry
  • gardening
  • tennis
  • What Are The Treatment Options For Repetitive Stress Injuries?

    Treatment for repetitive stress injuries usually includes reducing or stopping the motions that cause symptoms.

    Repetitive stress injury treatment options can also include:

    What Is Being Done To Help Prevent Repetitive Stress Injuries?

    Some employers have developed ergonomic programs to help workers adjust their pace of work and arrange office equipment to minimize problems.

    What Research Is Being Done For Repetitive Stress Injuries?

    Much of the on-going research on repetitive stress injuries is aimed at prevention and rehabilitation. The National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) funds research on repetitive stress injuries.

    What Is The Prognosis For Repetitive Stress Injuries?

    Most individuals with repetitive stress injuries recover completely and can avoid re-injury by:

  • changing the way they perform repetitive movements
  • changing the frequency with which they perform them
  • changing the amount of time they rest between movements.
  • Without treatment, repetitive stress injuries may result in permanent injury and complete loss of function in the affected area.

    Related Resources

  • Where Does it Hurt?
  • Joint Pain
  • Joint Protection Techniques
  • Source: NINDS Repetitive Motion Disorders Information Page

    Updated: May 25, 2006
    Related Resources - Repetitive Stress Injuries

    Where Does it Hurt?Joint PainJoint Protection Techniques

    Related Resources - Repetitive Stress Injuries

    Carpal Tunnel SyndromeBursitisTendinitis / Tendonitis

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