Exam 2 Flashcards
the tibofibular joint has how many DOF?
0
the talocrural joint has how many DOF?
1 (hinge joint)
arthrokinematics of open chain plantar flexion
talus rolls posterior and slides anterior
arthrokinematics of closed chain plantar flexion
fibula/tibia rolls and slides posterior
arthrokinematics of open chain dorsiflexion
talus rolls anterior and slides posterior
arthrokinematics of closed chain dorsiflexion
tibia/fibula rolls and slides anterior
what resists plantar flexion
dorsiflexors
what resists dorsiflexion
plantar flexors
closed packed position for the talocrural joint
full dorsiflexion
loose packed position for talocrural joint
plantar flexion
how many DOF for the subtalar joint
1
closed packed position for the subtalar joint
full supination
loose packed position for the subtalar joint
pronation
passive tissues on the _______side limit supination
lateral
passive tissues on the ________side limit pronation
medial
eversion/inversion occur along what axis
anteroposterior
adduction and abduction at the subtalar joint occur along what axis
vertical
how many DOF for the hip joint
3
arthrokinematics of open chain hip flexion
spin: superior aspect of the femur moves posterior
arthrokinematics of open chain hip extension
spin: superior aspect of the femur moves anterior
what limits flexion of the hip
inferior ischiofemoral ligament
what limits extension of the hip
sprially oriented fibers of iliofemoral and ischiofemoral
larger CSA means what
harder to stretch
longer tissue means what
easier to stretch
arthrokinematics of open chain hip abduction
femoral head rolls superior and slides inferior
arthrokinematics of open chain hip adduction
femoral head rolls inferior and slides superior
arthrokinematics of open chain medial rotation of the hip
femoral head rolls anterior and slides posterior
arthrokinematics of open chain lateral rotation of the hip
femoral head rolls posterior and slides anterior
arthrokinematics of closed chain anterior pelvic tilt
spin: superior aspect of the pelvis moves anterior with respect to the femur
arthrokinematics of closed chain posterior pelvic tilt
spin: superior aspect of the pelvis moves posterior with respect to the femur
closed packed position of the hip joint
full extension
open packed position of the hip joint
30 degree of flexion and 30 degrees of abduction
arthrokinematics of pelvic hike
pelvis rolls and slides superior
arthrokinematics of pelvic drop
pelvis rolls and slides inferior
arthrokinematics of anterior pelvic rotation
pelvis rolls and slides anterior
arthrokinematics of posterior pelvic tilt
pelvis rolls and slides posterior
how many DOF at the tibiofemoral joint
2 (condyloid joint………lateral/medial rotation and flexion/extension
closed packed position for the tibiofemoral joint
full extension
loose packed position for the tibiofemoral joint
25 degrees of flexion
arthrokinematics of open chain knee flexion
tibia rolls and slides posterior
arthrokinematics of open chain knee extension
tibia rolls and slides anterior
arthrokinematics of open chain medial rotation of the knee
tibia spins on the femur: anterior surface of the tibia moves medially
arthrokinematics of open chain lateral rotation of the knee
tibia spins of the femur: anterior surface of the tibia moves laterally
arthrokinematics of closed chain knee flexion
femur rolls posterior and slides anterior
arthrokinematics of closed chain knee extension
femur rolls anterior and slides posterior
arthrokinematics of closed chain medial rotation
femur spins on the tibia: anterior aspect of the femur moves laterally
arthrokinematics of closed chain lateral rotation
femur spins on the tibia: anterior aspect of the femur moves medially
force on the lateral side of leg will stress __________
MCL
force on the medial side of leg will stress________
LCL
how many DOF at the patellofemoral joint
6
closed packed position of the patellofemoral joint
more than 25 degrees of flexion
loosed packed position of the patellofemoral joint
full extension
most medial and lateral rotation of the knee occurs when the knee is what?
90 degrees flexed