Extensor Carpi Ulnaris (Triquetrum Bone Insertion) Anatomy in 3D

ECU tendon insertion/attachment at the ulnar carpus region associated with triquetrum (functional linkage via retinaculum/ECU sheath adjacent to triquetrum).

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Related structures

Triquetrum Bone Extensor Carpi Radialis Brevis (Third Metacarpal Bone Insertion) Extensor Carpi Radialis Longus (Second Metacarpal Bone Insertion) Extensor Carpi Ulnaris (Ulna Origin) Flexor Carpi Ulnaris (Pisiform Bone Insertion) Extensor Carpi Radialis Longus (Humerus Origin) Extensor Digitorum (Fifth Finger Middle Phalanx Insertion) Extensor Digitorum (Fifth Finger Proximal Phalanx Insertion)