Knee OIIA's Flashcards

1
Q

Origin: Tensor fascia lata (TFL)

A

ASIS

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2
Q

Insertion: Tensor fascia lata (TFL)

A

IT band

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3
Q

Innervation: Tensor fascia lata (TFL)

A

Superior gluteal nerve (L4-S1)

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4
Q

Action: Tensor fascia lata (TFL)

A

-Abduction
-Internal rotation
-Stabilizes the knee

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5
Q

Origin: Sartorius

A

ASIS

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6
Q

Insertion: Sartorius

A

Medial superior shaft of tibia- Pes Anserinus

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7
Q

Innervation: Sartorius

A

Femoral nerve (L2, L3)

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8
Q

Action: Sartorius

A

Flexes the thigh and flexes the leg

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9
Q

Origin: Rectus femoris

A

AIIS

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10
Q

Insertion: Rectus femoris

A

Quadriceps tendon

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11
Q

Innervation: Rectus femoris

A

Femoral nerve (L2, L3)

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12
Q

Action: Rectus femoris

A

Extends the leg and flexes the hip

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13
Q

Origin: Vastus lateralis

A

Greater trochanter

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14
Q

Insertion: Vastus lateralis

A

Quadriceps tendon

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15
Q

Innervation: Vastus lateralis

A

Femoral nerve (L2-L4)

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16
Q

Action: Vastus lateralis

A

Extends the leg

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17
Q

Origin: Vastus medialis

A

Intertrochanteric line and linea aspera

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18
Q

Insertion: Vastus medialis

A

Quadriceps tendon

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19
Q

Innervation: Vastus medialis

A

Femoral nerve (L2-L4)

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20
Q

Action: Vastus medialis

A

Extends the leg

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21
Q

Origin: Vastus intermedius

A

Intertrochanteric line of femur and upper 2/3 of the anterior surface of the femur

22
Q

Insertion: Vastus intermedius

A

Quadriceps tendon

23
Q

Innervation: Vastus intermedius

A

Femoral nerve (L2-L4)

24
Q

Action: Vastus intermedius

A

Extends the leg

25
Q

Origin: Biceps femoris long head

A

Ischial tuberosity

26
Q

Insertion: Biceps femoris long head

A

Lateral tibia, head of fibula

27
Q

Innervation: Biceps femoris long head

A

Tibial nerve (S1-S3)

28
Q

Action: Biceps femoris long head

A

thigh extension & knee flexion

29
Q

Origin: Biceps femoris short head

A

Linea aspera

30
Q

Insertion: Biceps femoris short head

A

Lateral tibia, head of fibula

31
Q

Innervation: Biceps femoris short head

A

Common fibular nerve (L5-S2)

32
Q

Action: Biceps femoris short head

A

thigh extension & knee flexion

33
Q

Origin: Semitendinosus & Semimembranosus

A

Ischial tuberosity

34
Q

Insertion: Semitendinosus & Semimembranosus

A

-Semitendinosus: Pes anserinus
-Semimembranosus: medial condyle of tibia

35
Q

Innervation: Semitendinosus & Semimembranosus

A

Tibial nerve (L5-S2)

36
Q

Action: Semitendinosus & Semimembranosus

A

Thigh extension & knee flexion

37
Q

Origin: Adductor longus

A

Body of pubis close to the symphysis

38
Q

Insertion: Adductor longus

A

Linea aspera of femur

39
Q

Innervation: Adductor longus

A

Obturator nerve (L3, L4)

40
Q

Action: Adductor longus

A

Adducts & internally rotates thigh

41
Q

Origin: Adductor brevis

A

inferior pubic ramus close to the symphysis

42
Q

Insertion: Adductor brevis

A

Upper part of the linea aspera of femur

43
Q

Innervation: Adductor brevis

A

Obturator nerve (L3, L4)

44
Q

Action: Adductor brevis

A

Adducts thigh

45
Q

Origin: Adductor magnus

A

Inferior ramus of pubis, inferior ramus of ischium, and ischial tuberosity

46
Q

Insertion: Adductor magnus

A

Linea aspera of femur & supracondylar line

47
Q

Innervation: Adductor magnus

A

Obturator nerve (L3, L4) and branches from the sciatic

48
Q

Action: Adductor magnus

A

Adducts thigh

49
Q

Origin: Gracilis

A

Inferior ramus of pubis

50
Q

Insertion: Gracilis

A

Pes anserinus

51
Q

Innervation: Gracilis

A

Obturator nerve (L3, L4)

52
Q

Action: Gracilis

A

Adducts & flexes leg