Relationship Between Juncturae Tendinum and Sagittal Bands
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Updated: Apr 10, 2026

Using Q Suture to Enhance Resistance to Gap Formation and Tensile Strength of Repaired Flexor Tendons
Published on: June 3, 2020
Shrikant J Chinchalkar1, Chelsea A Barker2, Bobbi Owsley3
1Department of Hand Therapy, Roth McFarlane Hand & Upper Limb Centre, St. Joseph's Hospital, 268 Grosvenor Street, London, Ontario N6A 4A6 Canada.
Abstract:
The juncturae tendinum and sagittal bands transmit precise forces through the dorsum of the hand. Both structures are integral in the mechanics of normal digital extension and in stabilization of the metacarpophalangeal (MCP) joints. Extensor tendon injury, or rupture/attenuation of sagittal bands and/or juncturae tendinum, may disrupt the kinematic chain and lead to a number of abnormal hand postures and motions. Early treatment of extensor tendon and/or sagittal band injury is dependent upon proper recognition of primary pathology. Proper evaluation and the use of special clinical tests should be implemented to rule out other pathologies. Once diagnosed, treatment may consist of relative motion splinting and standard pain/edema control measures to increase joint motion, tendon excursion, and functional use of the hand.
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