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Anatomy Lab 2 > Week 3 > Flashcards

Week 3 Flashcards

1
Q

What is the origin of the pectineus muscle?

A

Pectineal line of pubis (superior pubic ramus)

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2
Q

Where does the pectineus muscle insert?

A

Pectineal line of femur (just below lesser trochanter on posterior aspect of femur)

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3
Q

What actions does the pectineus muscle perform?

A

Adduction and flexion of hip

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4
Q

What nerves innervate the pectineus muscle?

A

Femoral nerve and obturator nerve

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5
Q

Adductor Longus Origin

A

Anterior surface of pubis

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6
Q

Adductor Longus Insertion

A

Medial lip of linea aspera (middle 1/3)

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7
Q

Adductor Longus Action

A

Adduction and flexion of hip

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8
Q

Adductor Longus Innervation

A

Obturator nerve

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9
Q

Adductor Brevis Origin

A

Body and inferior ramus of pubis

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10
Q

Adductor Brevis Insertion

A

Medial lip of linea aspera (proximal 1/3)

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11
Q

Adductor Brevis Action

A

Adduction and flexion of hip

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12
Q

Adductor Brevis Innervation

A

Obturator nerve

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13
Q

Gracilis Origin

A

Anterior body and inferior ramus of pubis

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14
Q

Gracilis Insertion

A

Proximal anterior medial tibia (pes anserine)

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15
Q

Gracilis Action

A

Adduction and flexion of hip; flexion and medial rotation of knee

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16
Q

Gracilis Innervation

A

Obturator nerve

17
Q

Adductor Magnus Origin (anterior head)

A

Ischiopubic ramus

18
Q

Adductor Magnus Origin (posterior head)

A

Ischial tuberosity

19
Q

Adductor Magnus Insertion (anterior head)

A

Linea aspera

20
Q

Adductor Magnus Insertion (posterior head)

A

Adductor tubercle of femur

21
Q

Adductor Magnus Action

A

Adduction and extension of the hip; lateral rotation of thigh (anterior head)

22
Q

Adductor Magnus Innervation (anterior head)

A

Obturator nerve

23
Q

Adductor Magnus Innervation (posterior head)

A

Sciatic nerve

24
Q

Semitendinosus Origin

A

Ischial tuberosity

25
Q

Semitendinosus Insertion

A

Pes Anserine (proximal anterior medial tibia)

26
Q

Semitendinosus Action

A

Flexion of knee, extension of hip; medial rotation of knee when knee is flexed

27
Q

Semitendinosus Innervation

A

Sciatic nerve

28
Q

Biceps Femoris Origin (Long Head)

A

Ischial tuberosity

29
Q

Biceps Femoris Origin (Short Head)

A

Lateral lip of linea aspera

30
Q

Biceps Femoris Insertion

A

Head of fibula

31
Q

Biceps Femoris Action

A

Flexion of knee (both long and short); extension of hip (long head only); lateral rotation of knee when knee is flexed

32
Q

Biceps Femoris Innervation

A

Sciatic nerve

33
Q

Semimembranosus Origin

A

Ischial tuberosity

34
Q

Semimembranosus Insertion

A

Medial tibial condyle (posterior medial aspect)

35
Q

Semimembranosus Action

A

Flexion of knee, extension of hip; medial rotation of knee when knee is flexed

36
Q

Semimembranosus Innervation

A

Sciatic nerve

Anatomy Lab 2 (5 decks)

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