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71 Cards in this Set
- Front
- Back
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Is the fibula involved in the knee joint?
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NOOOOO
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The knee joint's composed of _____ of femur articulating with ____ of tibia.
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femoral condyles; tibial condyles
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In the knee joint, the femur also articulates with _____.
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posterior aspect of patella
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The surfaces of the knee joint are covered in _____.
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articular cartiledge
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When the knee is fully extended, the surface of the femoral condyle is _______.
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flattened
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When the knee is fully extended, there is ______ resulting from ________.
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GREATER STABILITY; greater confluence of femoral & tibial condyles
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The knee is most stable when _________.
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fully extended!
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Menisci are ________ & partially separate _____.
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fibrocartilagenous; medial & lateral femoral & tibial condyles
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The cruciate ligaments bind _________.
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femur & tibia; FIBIA TAKES NO PART IN KNEE JOINT
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The fibrous capsule of the knee joint attaches superiorly to ______.
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femur, proximal to the superior part or articular margins of femoral condyles
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Inferiorly, the fibrous capsule of the knee joint attaches to ______.
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margin of the superior articular surface of tibia (tibial plateau)
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THe synovial membrane lines interior of knee joint everywhere EXCEPT _______.
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areas covered w/articular cartilage
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The synovial membrane begins at posterior aspect of ___ & extends superiorly to_____.
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line the suprapatellar fat pad
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The synovial membrane is reflected down to surface of femur, but stops ______.
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where femoral condyle (articular cartilage of femur) begins
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The synovial membrane attaches to _________, but doesn't cover them.
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peripheral edges of menisci
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The synovial membrane secretes ______.
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synovial fluid--lubricant for articular surfaces
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The syn. membrane lines the fibrous capsule _______ & _________ (in what area?).
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laterally & medially
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The synovial membrane reflects off fibrous capsule ____ & loops around ____.
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posteriorly;
ACL & PCL |
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The cruciate ligaments ____ (are/aren't) inside joint cavity, but _____ inside fibrous capsule.
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AREN'T;
ARE |
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The synovial membrane folds anteriorly, making a _____ fold.
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infrapatellar fold (appproaches posterior fold but doesn't quite reach it)
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The cruciate ligaments ______(do/don't) lie in articular cavity.
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DON'T
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The medial and lateral menisci rest on the ______.
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tibial plateau
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The crutiate ligaments are covered by _____________.
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synovial membrane
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Ligaments of the knee can be classified into ___, ___, or ____.
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extracapsular, capsular, intracapsular
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The capsular ligament is also called _______, and is basically ______.
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intrensic ligament; thickening of fibrous capsule
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There are 4 intrinsic ligaments: _____, ____, ____, & ______
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patellar; oblique popliteal; arcuate popliteal; tibial collateral (medial coll)
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The patellar ligament runs from ____ to ____.
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apex of patella to tibial tuberosity
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Along with patella & quad. tendon, the patellar ligament helps replace _____.
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fibrous capsule anteriorly
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The oblique popliteal ligament is an expansion of _____. It reinforces _____.
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semimembranosus; posterior aspect of knee joint
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The _____ is a Y-shaped intrinsic ligament.
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arcuate popliteal
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The stem of the arcuate popliteal ligament is attached to _____.
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head of fibula.
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The arcuate popliteal ligament passes over ________.
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popliteus muscle
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The tibial collateral ligament (MCL) runs from ___ to ____.
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medial epicondyle of femur to medial condle of tibia & upper medial surface of tibia
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The fibular collateral ligament is ___________.
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extracapsular
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The extracapsular ligaments are also called _______ & are separated from ______.
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extrinsic; separated from JOINT CAPSULE
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THe fibular collateral ligament has ______ between it & fibrous capsule.
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bursae
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The fibular collateral lig. is cord-like and lies deep to ________.
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tendon of biceps femoris
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the fibular collateral ligament runs from ______-_____.
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lateral epicondyle of femur to head of tibia
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The tibial collateral ligament is____ (attached or unattach) to medial meniscus.
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ATTACHED
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The fibular collateral ligament is____ (attached or unattach)to lateral meniscus.
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UNATTACHED
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The lateral meniscus is more stable (less easy to tear) because ________.
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it is more mobile
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The medial meniscus is less stable (more easily torn) because ________.
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it is bound more tightly (by tibial collateral lig.) & less mobile, so tears easily.
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The lateral meniscus is separated from the fibular collateral ligament by ____.
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TENDON OF POPLITEUS MUSCLE
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There are 3 intracapsular ligaments: ____, ____, & ____
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ACL, PCL, posterior meniscofemoral ligament
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The ACL attaches to ________ & ascends POSTERIORLY to attach to __________.
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ANTERIOR portion of intercondyle area of tibia; lateral femoral condyle
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The PCL attaches to ________ & ascends ANTERIORLY to attach to __________.
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POSTERIOR portion of intercondyle area of tibia; medial femoral condyle
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The post. meniscofemoral ligament runs superiorly from _____ to ____,
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lateral meniscus to medial femoral condyle (partly blends w/PCL as well)
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The PCL prevents ______ displacement of femur on tibia.
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ANTERIOR
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The ACL prevents ______ displacement of femur on tibia.
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POSTERIOR
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What ligament prevents hyperextension of knee?
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ACL
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What ligament is the main knee stabilizer when walking downhill (KNEE FLEXED)?
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PCL
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The _________ tightens during extension of the knee.
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ACL
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Which menisci is larger?
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MEDIAL (hint: medial monstrous)
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The lateral meniscus is __-shaped, the medial meniscus is __-shaped.
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O-shaped; C-shaped (Cat tore medial C-M)
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Te peripheral margins of the menisci are ______ than medial margins
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THICKER
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The _________ attaches the two menisci ANTERIORLY
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transverse ligament
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The ends of the menisci are called ______.
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horns
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The horns of the menisci are anchored into INTERCONDYLE AREA of TIBIA by ________.
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ligaments
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The HORNS of the MEDIAL meniscus are attached more _____ than those of lateral.
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WIDELY
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The medial meniscus is more likely to tear for 2 reasons: ______ & ______
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more widespread attachment of horns; attached to TCL (por eso es menos móvil)
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The ______ is the most important muscle stabilizing knee joint.
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quadriceps femoris
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The ____ & ____ of the quads have particular stabilizing effect on knee.
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inferior fibers of vastus medialis & lateralis
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____________ are aponeurotic expansions sent off by vastus medialis & lateralis.
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Medial patellar & lateral patellar RETINACULUM
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The RETINACULUM of the medial & lateral patella attach to _______.
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patella & help keep it allined
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The quadriceps femoris has a tendency to displace the patella ___________.
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laterally
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The vastus medialis combats lateral patellar displacement b/c _________.
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it has inferior horizontal fibers
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The _______ support the knee medially.
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SGSt tendons (pes anserinus)
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The ______ supports the knee laterally.
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IT tract
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The IT tract attaches to _________.
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Gerdy's tubercle on lateal epicondyle of tibia
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The _________ reinforces the knee posteriorly.
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semimembranosus w/its oblique popliteal ligament
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The IT tract partially blends with _______ of knee.
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fibrous capsule
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