Lecture 6

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Question 1 of 42

What are the features of a synovial joint? (4) = Articular cartilage, joint capsule, synovial fluid, synovial membrane

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Question 2 of 42

What are the components of the articular capsule? (2)= Fibrous membrane, synovial membrane

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Question 3 of 42

Where are the simple synovial joints of the human body?= Phalanges

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Question 4 of 42

What do complex joints have in addition to the basic components of a simple joint?= An articular 'disc'

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Question 5 of 42

What is a compound synovial joint?= One with 3 or more articulating surfaces

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Question 6 of 42

What are the skeletal elements of the knee? (3)= Femur, tibia, patella, 

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Question 7 of 42

Which leg bone is not involved in articulation of the knee?= Fibula

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Question 8 of 42

How many articulating surfaces are in the knee?= Three

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Question 9 of 42

What are the articulating surfaces of the femur?= Medial femoral condyle, lateral femoral condyle, patellar surface 

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Question 10 of 42

What are the articulating surfaces of the tibia? (2)= lateral tibial condyle, medial tibial condyle

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Question 11 of 42

What are the surfaces in the knee joint that are not articulating but restrictive? (2)= Intercondyle fossa (femur), intercondyle eminence (tibia)

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Question 12 of 42

What are the joints of the knee? (3)= Lateral tibio-femoral joint, medial tibio-femoral joint, patellar-femoral joint

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Question 13 of 42

What is the plane involved in flexion and extension of the knee?= Saggittal plane

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Question 14 of 42

What is the axis involved in flexion and extension of the knee?= Medial-lateral transverse axis

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Question 15 of 42

What is the normal range of motion for knee flexion?= 140 degrees

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Question 16 of 42

What feature allows the tibia to stay in contact with the tibia throughout the range of motion?= Sliding

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Question 17 of 42

Around what axis does rotation occur in a flexed knee?= Superior-inferior axis

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Question 18 of 42

How does the intercondylar eminence and fossa allow for rotation?= Intercondyle eminence is more like a round peg in the slot of the fossa

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Question 19 of 42

Around which plane does rotation occur in a flexed knee joint?= Transverse plane

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Question 20 of 42

Around which axis does aduction a abduction of the knee occur?= Anterior-posterior axis

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Question 21 of 42

Around which axis does aduction a abduction of the knee occur?= Anterior-posterior aIn which plane does adduction and abduction of the knee occur?= Frontal (coronal) planexis

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Question 22 of 42

Which ligament prevents hyper abduction of the tibia?= Medial (tibial) collateral ligament

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Question 23 of 42

Which ligament prevents hyper adduction of the knee joint?= Lateral (fibular collateral ligament)

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Question 24 of 42

What are extra capsular ligaments?= Ligaments that occur outside of the articular capsule

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Question 25 of 42

Where does the medial collateral ligament of the tibia attach? (2)= Ligaments that form part of the outer fibrous layer of the articular capsule - Femur, tibia

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Question 26 of 42

Where does the lateral collateral ligament of the knee joint attach? (2)= Femur, fibular

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Question 27 of 42

Where does the lateral collateral ligament of the knee joint attach? (2)= Femur, fibular

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Question 28 of 42

What are the elements of the patella complex? (4)= Patellar (quadriceps) tendon, patellar ligament, patellar retinaculae, quadriceps

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Question 29 of 42

What are the intracapsular ligaments of the knee? (2)= Anterior cruciate ligament, Posterior cruciate ligament

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Question 30 of 42

Is the anterior cruciate insert in the medial or lateral tibial condyle?= Medial

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Question 31 of 42

Is the posterior cruciate insert in the medial or lateral tibial condyle?= Lateral 

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Question 32 of 42

What movement does the ACL restrict? = Forward tibial sliding

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Question 33 of 42

What movement does the PCL restrict?= Backward tibial gliding 

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Question 34 of 42

Which cruciate breaks with 10 degrees of hyperextension of the knee?= Anterior

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Question 35 of 42

Which cruciate breaks with over 30 degress of hyperextension of the knee?= Posterior

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Question 36 of 42

Which cruciate breaks with over 30 degress of hyperextension of the knee?= Posterior

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Question 37 of 42

What type of support do muscles provide?= Active

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Question 38 of 42

What are the muscles of the quadriceps femoris? (4)= Rectus femoris, vastus intermedius, vastus lateralis, vastus medialis

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Question 39 of 42

Which is the most superficial?= Rectus femoris

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Question 40 of 42

What are the muscles of the hamstrings? (3)= Semimemranosus, semitendinosus, biceps femoris

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Question 41 of 42

Where do the quadriceps insert? (2)= Tibial tuberosity via the patella ligament, and the tibia via the patellar retinaculae

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Question 42 of 42

Where do the hamstring muscles insert? (2)= Semimembranosus and semitendinosus insert onto the medial side of the tibia, biceps femoris on the lateral side of the tibia and head of the fibula

Question 42 of 42