Flexor Tendon Injuries

  • Steven F. Viegas


Each of the fingers has a flexor digitorum sublimis tendon and a flexor digitorum profundus tendon. The flexor digitorum profundus tendons have a common muscle belly and are interconnected at the musculotendinous junction, thereby restricting independent profundus excursion, resulting in combined motion of all four profundus tendons with the so-called quadrigia effect. The blood supply to the flexor tendons is obtained from the dorsal side of the tendons through the vinculae. Core sutures used in the repair of lacerated tendons should be placed in the palmar half of the tendon to help preserve the dorsal blood supply. Although at one time it was recommended not to repair both tendons and, in fact, occasionally to excise the stump of the sublimis, it is now generally accepted that the appropriate treatment should be repair of both tendons. This has the advantage of maintaining the vincula system and, therefore, the blood supply to the tendons (Fig. 3–1).


Ring Finger Flexor Tendon Tendon Repair Proximal Interphalangeal Joint Pulley System 
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Recommended Reading

  1. Leddy, J. P. 1993. Flexor tendon—acute injuries. In: Operative hand surgery, 3rd Ed., ed. D. P. Green, 1823. New York: Churchill LivingstoneGoogle Scholar
  2. Schneider, L. H., and J. M. Hunter. 1993. Flexor tendons—late reconstruction. In: Operative hand surgery, 3rd Ed., ed. D. P. Green, 1853. New York: Churchill Livingstone.Google Scholar
  3. Strickland, J. W. 1985. Flexor tendon repair. Hand Clin. 1:55.PubMedGoogle Scholar
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Copyright information

© Springer Science+Business Media New York 1997

Authors and Affiliations

  • Steven F. Viegas
    • 1
  1. 1.Division of Hand Surgery, Department of Orthopaedic SurgeryUniversity of Texas Medical BranchGalvestonUSA

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