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ANATOMY exam3 > artho/syndesmology of leg > Flashcards

artho/syndesmology of leg Flashcards

1
Q

what type of joint is the knee joint

A

condyloid

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2
Q

characteristic and attachments of fibular collateral ligament

A

strong, round fibrous cord extending from lateral epicondyle of femur to the head of the fibula.

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3
Q

what separates the FCL from the lateral meniscus

A

popliteus

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4
Q

what is the function of anterolateral ligament

A

ALL maycheck internal rotation between 30 and 90 degree knee flexion

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5
Q

what forms the floor of popliteal fossa

A

oblique popliteal ligament

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6
Q

broad flat band about 10 cm long

A

medial collateral ligament

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7
Q

attachment for medial collateral ligament

A

medial epicondyle of femur below adductor tubercle–> medial surface of tibia

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8
Q

what ligament strengthen knee joint posteriorly

A

oblique popliteal ligament

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9
Q

attachments for ACL and fiber direction

function

A

anterior intercondylar area–> posterior medial surface of lateral femoral condyle. ligament travels superolaterally

function: prevents hyperextension of knee by preventing posterior sliding of femur on the tibia

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10
Q

what s the diff between ACL and PCL

attachments/function of PCL

A

PCL: stronger and shorter

Posterior intercondylar area–> lateral surface of medial condyle

function: prevents hyper flexion of knee preventing femur sliding forward on tibial plateau

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11
Q

how much of the menisci covers the condyles of tibia?

A

2/3 of coressponding condyle

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12
Q

what attaches to each meniscus to the fibrous capsule? function?

A

coronary ligament–holds the menisci to the tibial condyles

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13
Q

what ligament unites the two menisci anteriorly

A

transverse ligament

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14
Q

what happens to the suprapatellar bursa when there is an injury to the knee joint

A

it communicates with knee joint, so it will fill up with fluid

other bursas do not have this function.

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15
Q

nerve supply to the knee joint are articular branches of what nerves

A

femoral, obturator, common peroneal and tibial nerves

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16
Q

blood supply to knee joint comes from what specific arteries?

which artery is not part of the anastamoses that also supplies the knee?

A

anastamoses of descending genicular branch of femoral artery, genicular branches of popliteal, recurrent branches of anterior tibial, descending branch of the lateral femoral circumflex artery, cicumflex fibular artery

Middle genicular br of popliteal artery NOT part of anastomose

17
Q

what type of joint is Superior tibiofibular joint? facet shape? what are the ligaments?

A

plane type synovial joint

circular shape

anterior and posterior (superior) tibiofibular ligament

18
Q

what type of joint is the distal tibiofibular joint? facet shape?

how many/what are the ligaments?

A

syndesmosis, fibrous type joint

triangular in shape.

3 ligaments: interosseous tibiofibular ligament (continuous of interosseous membrane), anterior and posterior (inferior) tibiofibular ligament

19
Q

what are the shapes and fiber directions of anterior/posterior tibiofibular ligaments?

A

anterior: triangular
posterior: quadrilateral

directed inferolaterally

posterior has a superficial and deep part–> inferior transverse ligament that helps form socket for talus

20
Q

which ligament on the knee is strong, round fibrous cord? what muscle covers it? what lies deeps to the ligament?

A

fibular collateral ligament

it is covered by the tendon of the biceps femoris muscle

popliteus muscle

21
Q

what is the difference between the MCL and LCL

A

MCL is attached to the meniscus, where LCL is not.

22
Q

which ligament is a broad flat band on the knee joint? what muscles cross it?

A

medial collateral ligament

Pes anserinus

23
Q

what ligament strengthens the knee joint posteriorly? what is this ligament mainly composed of?

A

oblique popliteal ligament

semimembranosus

24
Q

what ligament arches over the popliteus muscle

A

arcuate popliteal ligament

25
Q

what ligament prevents the knee from posterior sliding of femur on the tibia

A

ACL

26
Q

what forms the floor of the popliteal fossa?

A

oblique popliteal ligament

27
Q

which ligament prevents knee from forward sliding of femur on tibia

A

PCL

28
Q

where does the PCL and ACL attach?

A

PCL: attaches to lateral surface of medial condyle

ACL attaches to the medial surface of lateral condyle

29
Q

which ligament holds the menisci to the tibial condyles

A

coronary ligament

30
Q

which ligament unites the two menisci anteriorly

A

transverse ligament

31
Q

which meniscus is circular vs semicircular

A

medial meniscus:semicircular

lateral meniscus: almost circular

32
Q

what type of joint is the distal tibiofibular joint? what ligaments are attached to it

A

fibrous type joint:

interrosseous tibiofibular ligament, anterior inferior and posterior inferior tibiofibular ligament.

33
Q

which ligament helps form the socket for the talus

A

inferior transverse ligament

ANATOMY exam3 (13 decks)

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