flexor tendons can act efficiently if the gliding amplitude of each of the tendons is normal
SYNDROME OF QUADRIGIA – “Muscular body of the flexor tendons can act efficiently if the gliding amplitude of each of the tendons is normal”. If the gliding amplitude of the FDP tendon in one finger is reduced, then the FDP tendons of adjacent digits also will have reduced excursion.
Verdan C.:Surg.Clin.North Am.1960,40:425-26
EXTENSOR QUADRIGA –“If gliding amplitude of EDC tendon in one finger is reduced the excursion of the adjacent EDC tendons are accordingly affected.”
Chinchalkar et.al. :Can J Plast Surg. 2004 Winter;12(4):174-8.
Wilhelm: Handchir Mikrochir Plast Chir. 1988 Jul;20(4):173-9

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Flexor quadriga
Extensor quadriga biomechanics
Extensor quadriga complication
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