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Joints of lower limb
various terms and purpose
21
Anatomy
Undergraduate 4
10/09/2011

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Term
Pelvic girdle sacroiliac joints and pubic symphysis
Definition
designed form limited sliding movements
Term
hip joint
Definition
multiaxial
Term
iliofemoral "y" ligament
Definition
attaches to inferior iliac spine and greater trochanter of femur.
Term
STRONGEST lig in body
Definition
iliofemoral. prevents hyperextension of femur.
Term
Ischiofemoral and pubofemoral ligaments
Definition
assist iliofemoral ligament to prevent hyperext. of femur and STRENGTHEN joint capsule.
Term
acetabular labrum
Definition
fibrocartilage increases depth of hip socket.
Term
knee joint
Definition
biaxial, mostly flex extend.
Term
locked knee
Definition
femur rotated mediall.
Term
flexed knee
Definition
Popliteus muscle rotates femur laterally.
Term
tibial (medial) collateral ligament
Definition
Prevents abduction. stabalizes knee joint.
Term
fibular (lateral) collateral ligament
Definition
prevents adduction.stablizes knee joint.
Term
anterior cruciate ligament
Definition
prevents tibia from sliding anterioraly on femur
Term
poserior cruciate ligament
Definition
prevents tibia from moving posteriorly on the femur.
Term
lateral and medial menisci
Definition
seperate femur from tibia. SHOCK ABSORBERS PROTECT ARTICULAR SURFACES.
Term
MEDIAL mensiscus attachment
Definition
to tibial collateral ligament (ofen injured together)
Term
unhappy triad
Definition
ACL, medial meniscuss and medial collateral ligament.
Term
ankle joint
Definition
uniaxial, plantar and dorsi flexion
Term
deltoid ligament
Definition
prevents eversion
Term
ligaments of ankle that prevent inversion
Definition
calcaneofibular, anterior talofibular and posterior talofibular .
Term
INTERTARSAL JOINTS ALLOW
Definition
INVERSION AND EVERSION around oblique axis.
Term
metatarsophalangeal and interphalangeal joints
Definition
biaxial flex/ext. ab/ad, uniaxial flex extend.
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