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ZC Lower Limb > Osteology of the Leg > Flashcards

Osteology of the Leg Flashcards

1
Q

What is the second longest and second strongest bone in the human body?

A

The tibia.

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2
Q

How does the tibia in the male differ from the female?

A

In the male the tibia remains vertical.

In the female the distal tibia deviates medially compared to the proximal end.

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3
Q

The superior surface of the tibia is known as the…

A

Known as the tibial plateau

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4
Q

The inferior surface of the tibia is known as the….

A

Tibial plafond

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5
Q

Which segment of the tibial plateau actually articulates with the femur?

A

The central portions of the tibial condyles.

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6
Q

The … and …. overly the peripheral portions of the tibial condyles.

A

The medial and lateral meniscus.

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7
Q

Which condyle is largest?

A

the medial condyle of the tibia is larger than the lateral.

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8
Q

Why is the medial surface of the medial condyle roughened?

A

Attachment of the tibial (medial) collateral ligament.

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9
Q

What are the three areas of the intercondular area of the proximal portion of the tibial plateau?

A

Anterior intercondylar fossa
Intercondylar eminence
Posterior intercondylar fossa.

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10
Q

Name the three structures attached to the anterior intercondylar fossa from anterior to posterior

A

Anterior horn of medial meniscus

Anterior cruciate ligament

Anterior horn of the lateral meniscus.

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11
Q

From anterior to posterior, list the three structures attached to the posterior intercondylar fossa.

A

Posterior horn of lateral meniscus

Posterior horn of medial meniscus

Posterior cruciate ligament.

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12
Q

What attaches to the tibial tuberosity?

A

The patellar tendon

“Tendon of the Quadriceps femoris”

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13
Q

How does the tibial tuberosity project in space?

A

The tibial tuberosity is traingular with its apex pointing inferiorly.

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14
Q

what shape is the fibular facet?

A

The fibular facet is oval shaped

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15
Q

Which side of the tibial condyle is the fibular facet found in?

A

Found within the posterolateral aspect of the lateral tibial condyle.

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16
Q

What are the three borders of the tibial shaft?

A

Anterior
Medial
Lateral

17
Q

What are the three surfaces of the tibial shaft?

A

Posterior
Medial
Lateral

18
Q

which four structures are attached to the medial surface of the tibia?

A

Tibial collateral ligament
Popliteus
Soleus
FDL

19
Q

What is another name for the lateral border of the tibial shaft?

A

The interosseous crest (interosseous membrane attaches to this border)

20
Q

Which ridge forms the anterior and posterior borders of the fibular notch?

A

The lateral border of the tibial shaft aka the interosseous crest.

21
Q

Which two borders bound the medial surface of the shaft of the tibia?

A

The anterior and medial borders.

22
Q

From superior to inferior, which muscles and tendons cover the medial surface of the tibia?

A

Sartorius
Gracilis
Semitendinosus
Forming the Pes ansirinus

23
Q

What makes up the Pes ansirinus?

A

“SGT”
Sartorius
Gracillis
Semitendinosus

24
Q

what is the only muscular attachment to the lateral surface of the tibia?

A

The tibialis anterior making up 2/3 of the upper half.

25
Q

From medial to lateral which tendons cross the distal portion of the lateral surface of the tibia?

A

Tibialis anterior

Extensor hallucis longus

Extensor digitorum longus

Peroneus tertius

26
Q

Describe the position of the soleal line

A

Oblique ridge extending superolateral to inferomedial along the superior portion of the posterior surface of the tibial shaft.

27
Q

Which muscle partially originates from the soleal line?

A

The soleus!

28
Q

Which muscle originates laterally to the vertical line?

A

The tibialis posterior

29
Q

Which muscle originates medially to the vertical line?

A

Flexor digitorum longus

30
Q

With respect to the vertical line, where does the nutrient foramen lye?

A

It is found more lateral to the vertical line just distal to the soleal line.

31
Q

Which two tendons cover the distal portion of the posterior surface of the tibial shaft?

A

The tendons of the flexor digitorum longus, tibialis posterior and flexor hallucis longus.

32
Q

What are the five surfaces of the distal extremity of the tibia?

A 
Anterior
Posterior
Lateral
Medial
Inferior
33
Q

The anterior surface of the distal extremity of the tibia is continuous with the …. superiorly

A

Posterior surface of the tibial shaft superiorly.

34
Q

The anterior surface of the distal extemity of the tibia is continuous with the … inferiorly

A

continuous with the posterior aspect of the medial malleolus

35
Q

The tendons of which two muscles groove the distal posterior surface of the tibia?

A

tibialis posterior

flexor hallucis longus

36
Q

what is the shape of the tibial plafond?

A

Quadrilateral in shape.

37
Q

What is the malleolar sulcas?

A

This is a sulcus found posterioly along the medial malleolus for the tibialis posterior and flexor digitorum longus.

ZC Lower Limb (1 decks)

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