Carpal Tunnel Syndrome

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Carpal Tunnel Syndrome

  1. 1. Carpal Tunnel Syndrome
  2. 2. Definition of Carpal Tunnel Syndrome <ul><li>A condition where the passageway formed by the bones in the wrist becomes constricted by any number of factors, creating compression of the median nerve where it passes through the tunnel. It results in pain, numbness, and/or loss of function. </li></ul>
  3. 3. Anatomy <ul><li>Floor: carpal bones </li></ul><ul><li>Roof: flexor retinaculum </li></ul><ul><li>Inside: 8 flexor tendons and the medial nerve </li></ul>
  4. 4. Motions of the Wrist <ul><li>Ulnar/radial deviation </li></ul><ul><li>Flexion/extension </li></ul><ul><li>Supination/pronation </li></ul>
  5. 5. Causes of C.T.S. <ul><li>Repetitive motion </li></ul><ul><li>Vibration </li></ul><ul><li>Force </li></ul><ul><li>Poor ergonomics/sustained postures </li></ul><ul><li>Microtrauma </li></ul>
  6. 6. Acute C.T.S. <ul><li>Median nerve becomes entrapped in the carpal tunnel </li></ul><ul><li>Usually no underlying disease </li></ul><ul><li>Occurs with pregnancy, rheumatoid arthritis </li></ul><ul><li>Anything that causes reduced size of the carpal tunnel </li></ul>
  7. 7. Symptoms <ul><li>Pain </li></ul><ul><li>Numbness along median nerve distribution </li></ul><ul><li>Weakness </li></ul><ul><li>Muscle atrophy </li></ul><ul><li>Often worse at night </li></ul><ul><li>Radiation of pain </li></ul>
  8. 8. Diagnosis <ul><li>Consistent history </li></ul><ul><li>Mild swelling and muscle atrophy </li></ul><ul><li>Positive Tinel’s sign </li></ul>
  9. 9. Treatment <ul><li>Limit causative trauma/tasks </li></ul><ul><li>Splinting </li></ul><ul><li>NSAID’s </li></ul><ul><li>Steroid injections </li></ul><ul><li>Surgery </li></ul>
  10. 10. Recent Changes <ul><li>Technology </li></ul><ul><li>Less variety in work positions </li></ul>
  11. 11. Preventive Measures <ul><li>Equipment </li></ul><ul><li>Work method </li></ul><ul><li>Layout </li></ul>Argo
  12. 12. Preventive Measures & Ergonomics <ul><li>Keep wrists straight; wrist rests </li></ul><ul><li>Adjust chair, desk height </li></ul><ul><li>Regular breaks </li></ul><ul><li>Body joints centered in R.O.M. </li></ul><ul><li>Upper arms vertical </li></ul><ul><li>Line of sight with monitor </li></ul><ul><li>Two or more comfortable positions </li></ul>
  13. 13. Injury Prevention <ul><li>Adjust your Work Stations to suit you </li></ul><ul><li>Be aware of early signs </li></ul><ul><li>Position materials for correct posture </li></ul><ul><li>Eliminate glare </li></ul><ul><li>Maintain good nutrition </li></ul><ul><li>Take regular breaks </li></ul>
  14. 14. When Early Symptoms Show <ul><li>Seek medical help </li></ul><ul><li>Revise work habits to limit stress </li></ul><ul><li>Learn to relax - stretch to relieve tension </li></ul><ul><li>Early Intervention Prevents Permanent Injury </li></ul>

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