Ankle joint
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Transcript of Ankle joint
ANKLE JOINT
NIKTHA
TYPE:
SYNOVIAL JOINT OF HINGE VARIETY
LOWER END OF TIBIA INCLUDING MEDIAL MALLEOLUS
LATERAL MALLEOLUS OF FIBULA
INFERIOR TRANSVERSE TIBIOFIBULAR LIGAMENT
UPPER ARTICULAR SURFACE:
INFERIOR ARTICULAR SURFACE:
ARTICULAR AREAS ON UPPER, MEDIAL&LATERAL ASPECTS OF TALUS
Close interlocking of articularsurfacesStrong collateral ligaments on
sidesTendons crossing 4 in front,3 onposteromedial side & 2 on
postereolateral side
Stability of joint
Displacement of tibia & fibula over talus prevented by: Wedge shaped
talus wider anteriorly
Posterior border of lower end of tibia prolonged downwards
Inferior transverse tibiofibular lig
Tibiocalcanean, posteriortibiotalar,calcaneofibular&posterior talofibular lig
POSTERIOR
TIBIOTALAR
TIBIO CALCANEAN
POSTERIOR TALOFIBULAR LIG
CALCANEOFIBULAR LIG
LIGAMENTSFIBROUS CAPSULETHE DELTOID OR MEDIAL LIGAMENT
LATERAL LIGAMENT
FIBROUS CAPSULE
POSTERO SUPERIORLY-INFERIOR TRANSVERSE TIBIOFIBULAR LIGAMENT
ANTERIO INFERIORLY DORSUM OF NECK OF TALUS
DELTOID /MEDIAL LIGAMENTTIBIONAVICULAR ARE ATTACHED TO TUBEROSITY OF NAVICULARBONE&TO MEDIAL MARGIN OF SPRING LIG
TIBIOCALCANEAN ARE ATTACHED TO WHOLE LENGTH OF SUSTENTACULUM TALI
POSTERIOR TIBIOTALAR ARE ATTACHED TO MEDIAL TUBERCLE &TO ADJOINING PART OF MEDIAL SURFACE OF TALUS
POSTERIOR TALOLOFIBULAR LIG-LOWER PART OF MALLEOLAR FOSSA TO LATERAL TUBERCLE OF TALUS
LATERAL LIGAMENT
ANTERIOR TALOFIBULAR LIG –ANTERIOR MARGIN OF LATERAL MALLEOLUS TO NECK OF TALUS JUST IN FRONT OF FIBULAR FACET
CALCANEOFIBULAR LIG-NOTCH ON LATERAL MALLEOLUS TO TUBERCLE ON LATERAL SURFACE OF CALCENEUM