Joints Of The Lower Extremity Flashcards
Sacroiliac Joint
Articulating Surfaces:
-Auricular surfaces of sacrum and ilium
-Fibrocartilage of ilium and hyaline cartilage of sacrum
Classification:
Inferior 2/3 - non axial plane
Superior 1/3 - fibrous syndesmosis
Movements:
-Gliding
-Nutation and counternutation
Pubic Symphysis
Articulating surfaces:
-Symphyseal surface of pubis
-Fibrocartilagenous disc
Classification:
-Symphyseal amphiarthrodial
Movements:
-Gliding
Coxofemoral Joint
Articulating surfaces:
-Lunate surface of acetabulum
-Femoral head
Classification:
-Multiaxial ball and socket
Movements:
-Flexion and extension
-Abduction and adduction
-Internal and external rotation
-Circumduction
Patellofemoral Joint
Articulating surfaces:
-Medial and lateral facets of posterior patella
-Odd facet in full flexion
-Patellar surface of distal femur
Classification:
-Non-axial modified plane
Movements:
-Superior and inferior glide
Tibiofemoral Joint
Articulating surfaces:
-Medial and lateral femoral condyles
-Medial and lateral tibial plateaus
Classification:
-Uniaxial modified hinge
Movements:
-Flexion and extension
-Medial and lateral rotation
Proximal Tibiofibular Joint
Articulating surfaces:
-Lateral condyle of tibia
-Medial aspect of fibular head
Classification:
-Non-axial plane
Movements:
-Small gliding motions with ankle movements
Intermediate Tibiofibular Joint
Articulating surfaces:
-Adjacent interosseous borders of tibia and fibula
Classification:
Functional - amphiarthroidal
Structural - fibrous syndesmosis
Distal Tibiofibular Joint
Articulating surfaces:
-Medial aspect of distal fibula
-Lateral aspect of distal tibia
Classification:
Functional - amphiarthroidal
Structural - fibrous syndesmosis
Movements:
-Small joint separation with full dorsiflexion
Talocrual Joint
Articulating surfaces:
-Medial malleolar and inferior articular facets of tibia
-Lateral malleolar articular facet of fibula
-Deep fibres of posterior tibiofibular ligament
-Trochlea of talus
Classification:
-Uniaxial hinge
Movements:
-Dorsiflexion and planterflexion
Subtalar Joint
Articulating surfaces:
-Concave posterior calcaneal articular facet of talus
-Convex posterior talar articulating surface of calcaneus
Classification:
-Uniaxial plane
Movements:
-Pronation and supination
Joints That Compose The Transverse Tarsal Joint
Talocalcaneonavicular joint
-Talocalcaneal joint
-Talonavicular joint
Calcaneocuboid joint
Talocalcaneal Joint
Middle articulating surfaces:
-Convex mmiddle facet for calcaneus of talus
-Concave middle talar articular surface of calcaneus
Anterior articulating surfaces:
-Convex anterior facet for calcaneus of talus
-Concave anterior talar articular surface of calcaneus
Classification:
-Uniaxial plane
Talonavicular Joint
Articulating surfaces:
-Convex talar head
-Concave proximal navicular
Classification:
-Multiaxial ball and socket
Movements:
-Pronation and supination
Calcaneocuboid Joint
Articulating surfaces:
-Distal calcaneus
-Proximal cuboid
Classification:
-Biaxial saddle
Movements:
-Pronation and supination
Tarsal Joints
Cuneonavicular joint: non-axial plane
Intercuneiform joint: non-axial plane
Cuneocuboid joint: non-axial plane
Cubonavicular joint:
Structural - fibrous syndesmosis
Functional - amphiarthroidal