Week 8 Flashcards

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1
Q

What are the bony prominences of the knee?

A

Femoral epicondyles, tibial condyles, tibial tuberosity, patella, head of fibula, anterior and medial boarders of tibia

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2
Q

What are the three muscles in known as hamstrings?

A

Bicep femoris, semitendinosus and semimembranosus

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3
Q

What are the different heads called in the bicep femoris?

A

Long and short head

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4
Q

What is the origin of the adductor brevis?

A

inferior ramus of pubis

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5
Q

What is the insertion point of adductor brevis?

A

Pectineal line and medial lip of the linea aspera

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6
Q

What is the origin of the adductor magnus?

A

Inferior ramus of the pubis, the ischiopubic ramus and the ischial tuberosity

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7
Q

What is the insertion of the adductor magnus?

A

Medial lip of the linea aspera and the adductor tubercle of the femur

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8
Q

What is the origin of the adductor longus?

A

Medial part of the superior ramus of the pubis

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9
Q

What is the insertion of the adductor longus?

A

Linea aspera

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10
Q

What is the origin of the gracillis?

A

Pubic symphysis and inferior pubic ramus

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11
Q

What is the insertion of the gracillis?

A

Medial surface of the tibia

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12
Q

How does an LCL injury occur?

A

Impact to medial side opens lateral joint line

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13
Q

What are the six types of meniscal tears?

A

Longitudinal, bucket handle, radial, parrot beak, horizontal and flap

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14
Q

What is the origin of the vastus medialis?

A

Medial lip of the linea aspera of the femur and the interttochanteric

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15
Q

What is the insertion of the vastus medialis?

A

The patella and tibial tuberosity via the patella ligament

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16
Q

What is the origin of the vastus lateralis?

A

Greater trochanter of femur, the lateral lip of the linea aspera and the gluteal tuberosity

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17
Q

What is the insertion of the vastus lateralis?

A

Tibial tuberosity and the patella

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18
Q

What is the origin of the rectus femoris?

A

AIIS and Superior part of the acetabulum

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19
Q

What is the insertion of the rectus femoris?

A

Tibial tuberosity and patella

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20
Q

What is the origin of the tensor fascia latea?

A

ASIS and anterior part of the iliac crest

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21
Q

What is the insertion of the tensor fascia latea?

A

Iliotibial tract

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22
Q

What is the origin of the iliopsoas?

A

Iliac: Iliac fossa and crest, ala of sacrum
Psoas: Anterior surfaces and lower boarders of the transverse processes of T12-L5

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23
Q

What is the insertion of the iliopsoas?

A

Iliac: Lesser trochanter of the femur
Psoas: Lesser trochanter of the femur

24
Q

What is the origin of the glute max?

A

Fascia of glute medius, external surface of ilium, fascia of erector spinae, dorsal surface of sacrum, lateral margin of coccyx and the sacrotuberal lig

25
Q

What is the insertion of glute max?

A

Upper fibres: Posterior part of the IT Band and fasciae latae muscles
Lower fibres: Gluteal tuberosity of proximal femur

26
Q

What is the origin of semitend?

A

Ischial tuberosity and sacrotuberous lig

27
Q

What is the insertion of semitend?

A

Medial surface of the tibial tuberosity

28
Q

What is the insertion of vastus intermedialis?

A

Tibial tuberosity via patella ligament

29
Q

What is the origin of the semimem?

A

Outer surface of ischial tuberosity

30
Q

What is the insertion of the semimem?

A

Medial tibial condyle, the oblique popliteal lig and popliteal fascia

31
Q

What is the origin of the bicep femoris long head?

A

Ischial tuberosity and the sacrotuberous Lin

32
Q

What is the insertion of the bicep femoris long head?

A

Head of fibula and lateral condyle of tibia

33
Q

What is the origin of the bicep femoris short head?

A

Lateral lip of the lines aspera of femur

34
Q

What is the insertion of the bicep femoris short head?

A

Head of fibula and lateral condyles of tibia

35
Q

What makes an unhappy triad?

A

ACL,MCL and medial meniscus

36
Q

What are the six tyoes of meniscus tear?

A

Longitudinal, bucket handle, radial, parrot beak, horizontal and flap

37
Q

What are the symptoms of a meniscal tear?

A

Palpable pain across joint line with the knee flexed, pain at end range flexion and a catching type sensation

38
Q

How does a meniscal tear happen?

A

Commonly associated with high shear stress, when knee in a flexed and compressed position or rotation of femur

39
Q

What is the q angle?

A

The difference between direction of pull of the quads along shaft of femur

40
Q

What is the average degrees of the q angle?

A

12-20 depending on sex

41
Q

What is the patella femoral load during walking?

A

3-4 x bw

42
Q

What is the patella femoral load during descending stairs?

A

9x bw

43
Q

What does a change in q angle mean?

A

Tensile forces on patella on quads increases stress on patella cartilage

44
Q

What is in contact when the knee is at full extension?

A

No contact with femur

45
Q

What is in contact at 20 degrees of knee flexion?

A

Inferior pole flexion

46
Q

What is in contact at 45 degrees of knee flexion?

A

Middle section compressed

47
Q

What is in contaact at 90 degrees of knee flexion?

A

Superior pole compressed

48
Q

What does immediate swelling mean in a knee injury?

A

ACL injury

49
Q

What does delayed swelling mean in a knee injury?

A

Menisucus injury

50
Q

What does knee instability mean in a knee injury?

A

Ligament or meniscus injury

51
Q

What does it mean if there is difficulty WB in a knee injury?

A

Arthritis

52
Q

What does it mean if there is clicking/popping/grinding in a knee injury?

A

Degeneration/misalignment

53
Q

What does it mean if there is locking within the knee?

A

Meniscus injury

54
Q

What does it mean if there is loss of ROM?

A

ACL, Meniscus, ligament, degeneration, arthritis, misalignment

55
Q

What are a intra articular swelling be a sign of?

A

ACL/PCL rupture, patella dislocation, osteochondral fracture, meniscal tears