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CT MSK 2 > Posterior Thigh & Popliteal Fossa > Flashcards

Posterior Thigh & Popliteal Fossa Flashcards

1
Q

With the exception of the Short Head of the Biceps Femoris M., all of the true hamstrings originate from which of the following structures?

A. Ischial Tuberosity

B. Lateral Lip of Linea Aspera

C. Medial Lip of Linea Aspera

D. Medial Supracondylar Line

E. Lateral Supracondylar Line

A

Ischial Tuberosity

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2
Q

The Short Head of the Biceps Femoris M, originates from what 2 structures?

A. Ischial Tuberosity

B. Lateral Lip of Linea Aspera

C. Medial Lip of Linea Aspera

D. Medial Supracondylar Line

E. Lateral Supracondylar Line

A

Lateral Lip of Linea Aspera

Lateral Supracondylar Line

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3
Q

With the exception of the Short Head of the Biceps Femoris M., all of the true hamstrings are innervated by which of the following nerves?

A. Common Fibular Division of the Sciatic N.

B. Tibial Division of Sciatic N.

C. Femoral N.

D. Superficial Fibular N.

A

Tibial Division of Sciatic N.

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4
Q

The Short Head of the Biceps Femoris M. is innervated by which of the following?

A. Common Fibular Division of the Sciatic N.

B. Tibial Division of Sciatic N.

C. Femoral N.

D. Superficial Fibular N.

A

Common Fibular Division of the Sciatic N.

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5
Q

T/F: All of the posterior thigh muscles flex the leg and, with the exception of the short head of the biceps femoris, extend the thigh as well

A

True

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6
Q

Where does the Semitendinosus M. insert? What’s another name for this location

A. Medial Tibial Condyle (posterior part)

B. Fibular head (lateral aspect)

C. Anteromedial aspect of superior tibia

D. Anterlateral aspect of superior tibia

A

Anteromedial aspect of superior tibia

Pes Anserinus

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7
Q

Where does the Semembranosus M. insert?

A. Medial Tibial Condyle (posterior part)

B. Fibular head (lateral aspect)

C. Anteromedial aspect of superior tibia

D. Anterlateral aspect of superior tibia

A

Medial Tibial Condyle (posterior part)

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8
Q

Where does both the short head and long head of the Biceps Femoris insert?

A. Medial Tibial Condyle (posterior part)

B. Fibular head (medial aspect)

C. Anteromedial aspect of superior tibia

D. Fibular head (lateral aspect)

A

Fibular head (lateral aspect)

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9
Q

The Sciatic N. is located _____ to the long head of the biceps femoris M.?

A. Superior

B. Inferior

C. Superficial

D. Deep

A

Deep

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10
Q

The Pes Anserinus is a 3-fingered conjoined tendon that is a common insertion for what 3 muscles from superficial to deep?

A

Sartorius M.

Gracilis M.

Semitendinosus M.

SGSt

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11
Q

The Pes Anserinus is ______ to the medial collateral ligament and tibial collateral ligament.

A. Deep

B. Superficial

C. Anterior

D. Inferior

A

Superficial

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12
Q

Which of the following correctly describes Pes Anserine Bursitis?

A. Definitely not due to overuse or trauma, just happens sporadically

B. Definitely not consistent pain that’s aggrevated by climbing stairs (flexion and internal rotation)

C. Inflammation of the semimembranosus located between the T. of the Semimembranosus M. and the Tibial Collateral L.

D. Inflammation of the Anserine Bursa located between the Pes Anserinus and the Medila Collateral Ligament

A

Inflammation of the Anserine Bursa located between the Pes Anserinus and the Medila Collateral Ligament

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13
Q

The distal tendon of the Semimembranosus M. is divided into two main parts. What structure does each insert onto?

Which one forms part of the popliteal floor, and reinforces intracondylar portion of the knee joint?

A

Medial Tibial Condyle

Oblique Popliteal L.

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14
Q

What are the 3 functions of the Semitendinosus M, Semimembranosus M., and Long Head of the Biceps Femoris M.?

A

Flex the Leg

Extend the Thigh

Medially Rotate flexed leg (Internal Rotation)

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15
Q

Which of the following actions are performed by the Short Head of the Biceps Femoris?

A. Flex Leg and Medial Rotate Thigh

B. Extend thigh

C. Extend thigh and laterally rotate thigh

D. Flex Leg and Laterally Rotate thigh

A

Flex Leg and Laterally Rotate thigh

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16
Q

Which of the following actions are performed by the “hamstring portion” of the Adductor Magnus M.?

A. Flex Leg and Medial Rotate Thigh

B. Extend thigh

C. Extend thigh and laterally rotate thigh

D. Flex Leg and Laterally Rotate thigh

A

Extend thigh

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17
Q

Like the other true Hamstrings, the Adductor Magnus M originates from the ischial tuberosity, and inserts on which of the following structures?

A. Adductor tubercle on the Medial Condyle

B. Adductor tubercle on the Lateral Condyle

C. Fibular Head (latearl aspect)

D. Lateral Lip of Linea Aspera

A

Adductor tubercle on the Medial Condyle

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18
Q

The “hamstring portion” of the Adductor Magnus M. shares a similar innervation pattern as the other true hamstrings. What is the name of this nerve?

A

Tibial Division of the Sciatic N.

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19
Q

What muscle is the termination of the Adductor Hiatus?

A. Adductor Longus M.

B. Adductor Brevis M.

C. Adductor Magnus M.

D. Semitendinosus M.

A

Adductor Magnus M.

between the heads of the adductor magnus m.

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20
Q

Hamstring injury generally refers to a muscle strain or tear, but can also refer to a hamstring tendinopathy, and can involve avulsion fractures from the ischial tuberosity. These injuries are classified into grades. Which of the following correlates with Grade I?

A. Minimal loss in strength

B. Partial tears with some intact muscle fibers

C. Complete loss of motor function

D. None of the above

A

Minimal loss in strength

Grade I

  • small disruption in structural integrity
  • minor swelling and pain
  • minimal loss in strength
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21
Q

Hamstring injury generally refers to a muscle strain or tear, but can also refer to a hamstring tendinopathy, and can involve avulsion fractures from the ischial tuberosity. These injuries are classified into grades. Which of the following correlates with Grade II?

A. Minimal loss in strength

B. Partial tears with some intact muscle fibers

C. Complete loss of motor function

D. None of the above

A

Partial tears with some intact muscle fibers

Grade II

  • partial tears
  • pain
  • definite loss of strength
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22
Q

Hamstring injury generally refers to a muscle strain or tear, but can also refer to a hamstring tendinopathy, and can involve avulsion fractures from the ischial tuberosity. These injuries are classified into grades. Which of the following correlates with Grade III?

A. Minimal loss in strength

B. Partial tears with some intact muscle fibers

C. Complete loss of motor function

D. None of the above

A

Complete loss of motor function

Grade III

  • complete tear
  • swelling, severe pain and typically accompanied hematoma
  • complete loss of motor function
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23
Q

Which of the following arteries supplies the posterior thigh muscles and the adductor magnus M.?

A. Descending Branch of Lateral Femoral Circumflex A.

B. Descending Genicular A.

C. Perforating As. of the Deep Femoral A.

D. AScending branch of medial femoral circumflex A.

A

Perforating As. of the Deep Femoral A.

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24
Q

Which of the following arteries arises from the Femoral A. in the adductor canal and supplies genicular anastomosis?

A. Descending Branch of Lateral Femoral Circumflex A.

B. Descending Genicular A.

C. Perforating As. of the Deep Femoral A.

D. Ascending branch of medial femoral circumflex A.

A

Descending Genicular A.

25
Q

Which of the following is true of the Descending Branch of Lateral Femoral Circumflex A.?

A. Descends posterior thigh and supplies genicular anastomosis

B. Descends anterior thigh and supplies cruciate anastomosis

C. Descends the anterior thigh and supplies genicular anastomosis

D. Descends the medial thigh and supplies genicular anastomosis

A

Descends the anterior thigh and supplies genicular anastomosis

26
Q

What are the spinal roots of the Sciatic N?

A. L4-S4

B. L4-S3

C. L5-S2

D. L4

27
Q

What are the spinal roots of the Tibial Division of Sciatic N. ?

A. L4-S4

B. L4-S3

C. L5-S2

D. L4

E. L4-S2

28
Q

What are the spinal roots of the Common Fibular Division of Sciatic N.?

A. L4-S4

B. L4-S3

C. L5-S2

D. L4

E. L4-S2

29
Q

What spinal roots that the Long Head of Biceps Femoris, Semitendinosus, and Semimembranosus receive from the Tibial Division of Sciatic N. ?

A. L4-S4

B. L4-S3

C. L5-S2

D. L4

E. L4-S2

30
Q

What spinal roots that the “hamstring portion” of the Adductor Magnus receives from the Tibial Division of Sciatic N. ?

A. L4-S4

B. L4-S3

C. L5-S2

D. L4

E. L4-S2

31
Q

What spinal roots that the Short Head of the Biceps Femoris receives from the Common Fibular Division of Sciatic N. ?

A. L4-S4

B. L4-S3

C. L5-S2

D. L4

E. L4-S2

32
Q

T/F: The true hamstrings all recieve spinal roots from L5-S2, they just differ from tibial or common fibular division of the sciatic N.

33
Q

Which of the following is the superior medial boundary of the Popliteal Foosa?

A. Semimembranosus & Semitendinosus Ms.

B. Biceps Femoris M.

C. Lateral Head of Gastrocnemius M.

D. Medial Head of Gastrocnemius M.

A

Semimembranosus & Semitendinosus Ms.

34
Q

Which of the following is the superiolateral boundary of the Popliteal Foosa?

A. Semimembranosus & Semitendinosus Ms.

B. Biceps Femoris M.

C. Lateral Head of Gastrocnemius M.

D. Medial Head of Gastrocnemius M.

A

Biceps Femoris M.

35
Q

Which of the following is the inferolateral boundary of the Popliteal Foosa?

A. Semimembranosus & Semitendinosus Ms.

B. Biceps Femoris M.

C. Lateral Head of Gastrocnemius M.

D. Medial Head of Gastrocnemius M.

A

Lateral Head of Gastrocnemius M.

36
Q

Which of the following is the inferomedial boundary of the Popliteal Foosa?

A. Semimembranosus & Semitendinosus Ms.

B. Biceps Femoris M.

C. Lateral Head of Gastrocnemius M.

D. Medial Head of Gastrocnemius M.

A

Medial Head of Gastrocnemius M.

37
Q

What 3 structures make up the floor of the popliteal fossa?

A

Popliteal Surface of Femur

Oblique Popliteal L. (from sememembranosus T.)

Posterior Surface of Proximal Tibia

38
Q

From Superficial to deep, what are the contents of the popliteal fossa?

A. Popliteal V. > Nerves > Popliteal A.

B. Popliteal A. > Popliteal V. > Nerves

C. Nerves > Popliteal V. > Politeal A.

D. Popliteal V. > Nerves > Popliteal A.

A

Nerves > Popliteal V. > Politeal A.

39
Q

After passing through the adductor hiatus, the femoral A. becomes the popliteal A., which terminates as what two As.?

A

Anterior Tibial A.

Posterior Tibial A.

40
Q

T/F: The Popliteal A. gives off genicular branches

41
Q

The Genicular anastomosis is important collateral circulation for bypassing what artery?

It is useful for when this artery is narrowed or occluded when the knee is in what two positions for a long period of time?

A

Popliteal A.

Fully flexed or extended

42
Q

The Genicular anastomosis supplies what structures?

A

Articular Capsule

Ligaments of the Knee Joint

43
Q

Which of the following also supply the genicular anastomosis?

A. Descending Branch of Lateral Femoral Circumflex A.

B. Saphenous branch of descending Genicular A.

C. Articular branch of descending Genicualr A.

D. None of the above

E. All of the above

A

All of the Above

44
Q

What are the 5 main arteries that make up the Genicular Anastomosis?

A

Superior Medial Genicular A.

Superior Lateral Genicular A.

Middle Genicular A.

Inferior Medial Genicular A.

Inferior Lateral Genicular A.

45
Q

The small saphenous V. terminates into what vein in the popliteal fossa?

A

Popliteal V.

46
Q

Which of the following lymph nodes receive drainage from lateral border of foot and calf?

A. Superficial Popliteal LN

B. Deep Popliteal LN

C. Deep Inguinal LN

D. Internal Iliac LN

E. External Iliac LN

A

Superficial Popliteal LN

47
Q

Which of the following lymph nodes receive drainage from leg and foot?

A. Superficial Popliteal LN

B. Deep Popliteal LN

C. Deep Inguinal LN

D. Internal Iliac LN

E. External Iliac LN

A

Deep Popliteal LN

48
Q

What nerves passes superficially to the Lateral Head of the Gastrocnemius M. to leave the popliteal fossa, and is most susceptible to injury due to it anatomical location in the leg?

A

Common Fibular N.

wraps around the head and neck of the fibula

49
Q

Which of the following innervates the anterior leg muscles?

A. Tibial N.

B. Superficial Fibular N.

C. Deep Fibular N.

D. Lateral Sural Cutaneus N.

E. Medial Sural Cutaneus N.

A

Deep Fibular N.

50
Q

Which of the following innervates the lateral leg muscles?

A. Tibial N.

B. Superficial Fibular N.

C. Deep Fibular N.

D. Lateral Sural Cutaneus N.

E. Medial Sural Cutaneus N.

A

Superficial Fibular N.

51
Q

Which of the following nerves runs inferiorly with the Small Saphenous V.?

A. Sural N.

B. Deep Fibular N.

C. Tibial N.

D. Superficial Fibular N.

52
Q

Metaphyseal fractures are transverse fractures that occur across the shaft, and most commonly occur at the distal femur. They are categorized into 5 Types. Which of the following characterizes Type I?

A. Through the growth plate

B. Through growth plate and metaphysis

C. Through growth plater and epiphysis

D. Through groth plate, metaphysis, and epiphysis

E. Crush injury of growth plate

A

Through the growth plate

53
Q

Metaphyseal fractures are transverse fractures that occur across the shaft, and most commonly occur at the distal femur. They are categorized into 5 Types. Which of the following characterizes Type 2?

A. Through the growth plate

B. Through growth plate and metaphysis

C. Through growth plater and epiphysis

D. Through groth plate, metaphysis, and epiphysis

E. Crush injury of growth plate

A

Through growth plate and metaphysis

54
Q

Metaphyseal fractures are transverse fractures that occur across the shaft, and most commonly occur at the distal femur. They are categorized into 5 Types. Which of the following characterizes Type 3?

A. Through the growth plate

B. Through growth plate and metaphysis

C. Through growth plate and epiphysis

D. Through groth plate, metaphysis, and epiphysis

E. Crush injury of growth plate

A

Through growth plate and epiphysis

55
Q

Metaphyseal fractures are transverse fractures that occur across the shaft, and most commonly occur at the distal femur. They are categorized into 5 Types. Which of the following characterizes Type 4?

A. Through the growth plate

B. Through growth plate and metaphysis

C. Through growth plate and epiphysis

D. Through growth plate, metaphysis, and epiphysis

E. Crush injury of growth plate

A

Through growth plate, metaphysis, and epiphysis

56
Q

Metaphyseal fractures are transverse fractures that occur across the shaft, and most commonly occur at the distal femur. They are categorized into 5 Types. Which of the following characterizes Type 4?

A. Through the growth plate

B. Through growth plate and metaphysis

C. Through growth plate and epiphysis

D. Through growth plate, metaphysis, and epiphysis

E. Crush injury of growth plate

A

Crush injury of growth plate

57
Q

Which of the following correctly characterizes Popliteal (Baker’s Cyst)?

A. Swelling in the popliteal fossa due to enlargement of the gastrocnemius-semimembranosus bursa

B. Swelling in the popliteal fossa due to enlargement of the Subtendinous bursa od the medial gastrocnemius head

C. Definitely NOT asymptomatic and detected by imaging studies performed for other reasons

D. None of the above

A

Swelling in the popliteal fossa due to enlargement of the gastrocnemius-semimembranosus bursa

CT MSK 2 (7 decks)

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