The quadriga phenomenon: a review and clinical relevance

The flexor digitorum profundus tendons are markedly interconnected, making them less able to move independently than the tendons of the flexor digitorum superficialis. This difference is often attributed to the common muscle belly of the profundus, but also, more importantly, to cross-connections be...

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Bibliographic Details
Published in:The Journal of hand surgery, European volume European volume, 2012-07, Vol.37 (6), p.513-522
Main Author: Schreuders, T. A. R.
Format: Article
Language:English
Subjects:
Amputation
Arthrodesis
Biological and medical sciences
Biomechanical Phenomena
Connective Tissue
Diseases of the osteoarticular system
Fingers - surgery
Hand Strength
Humans
Median Nerve - injuries
Medical sciences
Tendon Injuries - physiopathology
Tendon Injuries - rehabilitation
Tendons - physiopathology
Ulnar Nerve - injuries
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Summary:The flexor digitorum profundus tendons are markedly interconnected, making them less able to move independently than the tendons of the flexor digitorum superficialis. This difference is often attributed to the common muscle belly of the profundus, but also, more importantly, to cross-connections between the tendons of the profundus. The effect of this quadriga phenomenon is important in several clinical situations, including testing for strength, assessing movement of the tendons, and when deciding which exercises to teach the patient after a tendon injury. The anatomy and biomechanics of this phenomenon are reviewed in this article to help explain why certain conditions occur, and to improve the diagnosis and treatment of some conditions in rehabilitation medicine.
ISSN:1753-1934
2043-6289
DOI:10.1177/1753193411430810