6 Wrist ligaments Volar stronger than dorsal Double V shape with weak area ; space of PoirierImportant interosseous ligaments are SLIL and LTILDorsal ligaments tend to converge on triquetrumMUN ORTHOPEDICS
7 Kinematics Three axes of motion FEM 90 – 70 degrees Flex/ext split between radiocarpal & midcarpalRUD – 50 degreesPSM – 90 degreesMUN ORTHOPEDICS
11 Kinematics Rows Columns Proximal and Distal with scaphoid as a bridge Motion within and between rowsColumnsCentral(flex/ext) lunate,capitate,hamateLateral (mobile) scaphoid,trapezoid,trapeziumMedial (rotation) triquetrumMUN ORTHOPEDICS
44 Perilunate Dislocation Perilunate & Lunate are same basic injuryStill missed in ERRx of choice : open reduction & repair of ligaments/bonesDorsal and volar approachLate: fusion or PRCMUN ORTHOPEDICS
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