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Transverse Retinacular Ligament
Connective Tissue

Transverse Retinacular Ligament

Ligamentum transversum retinaculi

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Anatomical Relations

Both the transverse and oblique retinacular ligaments link the fibrous flexor sheath to the extensor apparatus. The transverse retinacular ligament connects the A3 annular pulley of the flexor sheath (at the proximal interphalangeal joint) with the lateral edge of the lateral extensor band of the extensor apparatus (Standring, 2016).

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Structure

Both the transverse and oblique retinacular ligaments (of Landsmeer) are part of the distal fascial complex (Standring, 2016).

Function

The transverse and oblique retinacular ligaments aid in the stabilization of the extensor apparatus and in the coordinate flexion and extension of the interphalangeal joints (Colzani et al., 2016).

List of Clinical Correlates

—Swan neck deformity

References

Colzani, G., Tos, P., Battiston, B., Merolla, G., Porcellini, G. and Artiaco, S. (2016) 'Traumatic Extensor Tendon Injuries to the Hand: Clinical Anatomy, Biomechanics, and Surgical Procedure Review', J Hand Microsurg, 8(1), pp. 2-12.Standring, S. (2016) Gray's Anatomy: The Anatomical Basis of Clinical Practice. Gray's Anatomy Series 41st edn.: Elsevier Limited.

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