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LSB235 Anatomy of The Lower Limb (QUT) > Week 4 Muscles of the hip and thigh regions. (insertion, origin and action) > Flashcards

Week 4 Muscles of the hip and thigh regions. (insertion, origin and action) Flashcards

1
Q

Gluteus maximus action

A
  • major extensor of hip joint
  • lateral rotator,
  • abductor (upper fibres)
  • tighten iliotibial band (inferior fibre)
  • “straightening up from bending position”
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2
Q

Gluteus maximus origin

A
  • Posterior gluteal line and roughened area posterior to it
  • iliac crest
  • posterior surfaces of sacrum and coccyx
  • sacrotuberous ligament
  • gluteal aponeurosis
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3
Q

Gluteus maximus insertion

A
  • Iliotibial tract of fascia latae

* Gluteal tuberosity of femur

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4
Q

Gluteus medius action

A

Major abductor and lateral rotator (posterior fibers) of hip joint

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5
Q

Gluteus medius origin

A
  • Gluteal surface of ilium between anterior and posterior gluteal lines
  • Gluteal aponeurosis
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6
Q

Gluteus medius insertion

A

Lateral surface of greater trochanter of femur

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7
Q

Gluteus minimus action

A

Major abductor and medial rotator of hip joint

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8
Q

Gluteus minimus origin

A

Gluteal surface of ilium between anterior and inferior gluteal lines

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9
Q

Gluteus minimus insertion

A

Anterior surface of greater trochanter of femur

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10
Q

Piriformis actions

A
  • Lateral rotator of extended hip joint

* Abductor of flexed hip joint

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11
Q

Piriformis origin

A

Anterior surface of sacrum between anterior sacral foramina

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12
Q

Piriformis insertion

A

Medial side of superior border of greater trochanter

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13
Q

Obturator internus, Superior & Inferior Gemelli actions

A
  • Lateral rotator of hip joint

* Abductor of flexed hip joint

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14
Q

Obturator internus origin

A
  • Pelvic surface of obturator membrane
  • Margins of obturator foramen
  • Pelvic surface of ilium
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15
Q

Obturator internus insertion

A

Medial surface of greater trochanter just superior to trochanteric fossa

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16
Q

Superior gemellus origin

A

External surface of ischial spine

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17
Q

Superior gemellus insertion

A

Medial surface of greater trochanter just superior to trochanteric fossa

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18
Q

Quadratus femoris action

A
  • Lateral rotator and adductor of hip joint

* Stabilises position of head of femur in acetabulum

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19
Q

Quadratus femoris origin

A

Lateral surface of body of ischium anterior to tuberosity

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20
Q

Quadratus femoris insertion

A

Quadrate tubercle of femur and vertical region inferior to it

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21
Q

Obturator externus action

A

Lateral rotator of hip joint

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22
Q

Obturator externus origin

A
  • External surface of obturator membrane

* External margins of obturator foramen

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23
Q

Obturator externus insertion

A

Trochanteric fossa of femur

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24
Q

Iliopsoas: Psoas major + Iliacus actions

A

Flexor and lateral rotator of hip joint

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25
Q

Iliopsoas: Psoas major + Iliacus insertion

A

Lesser trochanter of femur

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26
Q

Psoas Major origin

A

Bodies (T12-L5) and transverse processes of lumbar vertebrae and their intervertebral discs

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27
Q

Origin of Iliacus

A

Iliac fossa

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28
Q

Tensor fascia latae action

A

Stabilises the knee in extension

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29
Q

Tensor fascia latae origin

A

Iliac crest between ASIS and tubercle of crest

30
Q

Tensor fascia latae insertion

A

Iliotibial tract of fascia latae

31
Q

Sartorius actions

A
  • Flexor and lateral rotator of hip joint

* Flexor of knee joint

32
Q

Sartorius origin

A

Anterior superior iliac spine of hip bone

33
Q

Sartorius insertion

A

Inferolateral to tibial tuberosity

34
Q

Name Quadriceps femoris parts

A
  • Rectus Femoris
  • Vastus medialis
  • Vastus lateralis
  • Vastus intermedius
35
Q

Quadriceps femoris insertion

A

Quadriceps tendon (and its Patellar ligament) to tibial tuberosity

36
Q

Quadriceps femoris action

A

Extensor of knee joint

37
Q

Rectus femoris action

A
  • Flexor of hip joint

* Extensor of knee joint

38
Q

Rectus femoris origin

A
  • Straight head o Anterior inferior iliac spine

* Reflexed head o Superior to acetabular border

39
Q

Vastus medialis origin

A 
on Femur
• Inferomedial part of intertrochanteric line
• Spiral line
• Medial lip of linea aspera
• Medial supracondylar line
40
Q

Vastus lateralis origin

A 
on Femur
• Lateral part of intertrochanteric line
• Margin of greater trochanter
• Lateral margin of gluteal tuberosity
• Lateral lip of linea aspera
41
Q

Vastus intermedius origin

A

Superior 2/3 of anterior and lateral surfaces of femur

42
Q

Articularis genu action

A

Elevates fibrous capsule of knee joint during knee extension

43
Q

Articularis genu origin

A

Anterior surface of inferior part of femoral shaft

44
Q

Articularis genu insertion

A

Superior part of fibrous capsule of knee joint

45
Q

Gracilis action

A
  • Adductor of hip joint

* Flexor and medial rotator of knee joint

46
Q

Gracilis origin

A

Inferior part of ischiopubic ramus

47
Q

Gracilis insertion

A

Medial surface of proximal shaft of tibia

48
Q

Adductor longus action

A

Adductor, flexor and medial rotator of hip joint

49
Q

Adductor longus origin

A

External surface of body of pubis

50
Q

Adductor longus insertion

A

Middle 1/3 of medial lip of linea aspera

51
Q

Pectineus action

A

Adductor and flexor of hip joint

52
Q

Pectineus origin

A

Superior surface of superior ramus of pubis

53
Q

Pectineus insertion

A

Pectineal line of femur

54
Q

Adductor brevis action

A

Adductor and flexor of hip joint

55
Q

adductor brevis origin

A

External surface of middle of inferior pubic ramus

56
Q

adductor brevis insertion

A

Insertion on Femur
• Pectineal line
• Proximal part of linea aspera

57
Q

Adductor magnus parts and actions

A 
• Adductor and medial rotator of hip joint
• Adductor part
– Flexor of hip joint
• Extensor/ hamstring part
– Extensor of hip joint
58
Q

Adductor magnus origin

A

• Adductor part
– Ischiopubic ramus
• Hamstring part
– Inferolateral part of ischial tuberosity

59
Q

Adductor magnus Insertion

A 
Insertion on Femur
• Adductor part
– Medial margin of gluteal tuberosity
– Proximal 1/3 of linea aspera
• Hamstring part
– Medial supracondylar line
– Adductor tubercle
60
Q

Biceps femoris action

A 
• Both heads
– Flexor of knee joint
– Lateral rotator of flexed knee
• Long head only
– Extensor of hip joint
61
Q

Biceps femoris origin of long head

A

Superomedial area of ischial tuberosity

62
Q

Biceps femoris origin of short head

A

Lateral lip of linea aspera of femur

63
Q

Biceps femoris Insertion

A

Apex of head of fibula

64
Q

Semitendinosus action

A
  • Extensor of hip joint
  • Flexor of knee joint
  • Medial rotator of flexed knee
65
Q

Semitendinosus origin

A

Superomedial area of ischial tuberosity

66
Q

Semitendinosus insertion

A

Medial surface of proximal tibial shaft

67
Q

The pes anserinus (PA) is composed of the combination of tendinous insertions of which muscles

A

sartorius, gracilis, and semitendinosus muscles

68
Q

Semimembranosus action

A
  • Extensor of hip joint
  • Flexor of knee joint
  • Medial rotator of flexed knee
69
Q

Semimembranosus origin

A

Superolateral area of ischial tuberosity

70
Q

Semimembranosus insertion

A

Posteromedial aspect of medial tibial condyle

LSB235 Anatomy of The Lower Limb (QUT) (8 decks)

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