ALS Lecture 10 - The Lower Limb, Muscle Groups DONE Flashcards

1
Q

deep fascia is a _____ fibrous tissue that covers ____

A

fibrous, whole body under skin

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2
Q

it encloses different parts of the limbs into

A

compartments

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3
Q

what do compartments maximise? (2)

A
  • maximise muscle work

- venous return

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4
Q

fascia lata is the

A

deep fascia in the thigh

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5
Q

fascia lata is continuous from

A

inguinal ligament, Scarpa’s fascia (abdomen)

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6
Q

fascia lata attaches to

A

pelvis superiorly

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7
Q

fascia lata runs distally down the knee, enclosing 2 muscle groups

A
  1. tensor fascia latae - hip flexors, knee extensors

2. gluteus maximus - hip abductors

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8
Q

2 openings of fascia lata

A

cribriform fascia, saphenous opening

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9
Q

what happens in the cribriform fascia opening of the fascia lata?

A

great saphenous vein drains into femoral vein

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10
Q

crural fascia is

A

continuation of fascia lata, deep fascia in the leg (knee-ankle)

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11
Q

crural fascia fuses to

A

tibia

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12
Q

crural fascia thickens to form the

A

extensor retinacula at ankle joint

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13
Q

label the diagram of the fasciae

A

done

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14
Q

muscles in the same compartment have the same/similar (3)

A

functions, blood supply, innervation

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15
Q

compartments of the thigh

A

anterior, middle, posterior

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16
Q

compartments of the leg

A

anterior, lateral, posterior

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17
Q

what separates the anterior and posterior compartments of the leg?

A

interosseous membrane

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18
Q

label the diagrams of the compartments of the leg and thigh

A

done

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19
Q

look at the diagrams of compartment syndrome

A

done

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20
Q

compartment syndrome is due to

A

increased pressure in compartment

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21
Q

increase in pressure could be due to (type and example, 3)

A
  • within the compartment, e.g. intracompartmental haemorrhage
  • constriction of compartment, e.g. scarring due to burns
  • external compression, e.g. cast too tight
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22
Q

symptoms of compartment syndrome

A

6 Ps

pressure, pain on stretch, pulse present?, pink colour, paresis (foot drop), paraesthesia

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23
Q

label diagram of the 6 Ps of compartment syndrome

A

done

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24
Q

compartment syndrome treatment

A

fasciotomy (skin, superficial and deep fascia opened to relieve pressure)

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25
Q

gluteal region muscles act on ____, for which movements?

A

hip, abduction, rotation, extension

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26
Q

iliac region muscles do what?

A

flex hip

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27
Q

anterior thigh compartment has

A

hip flexors, knee extensors

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28
Q

medial thigh compartment has

A

hip adductors

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29
Q

posterior thigh compartment has

A

hip extensors, knee flexors

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30
Q

anterior leg compartment has

A

ankle extensors, dorsiflexors

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31
Q

medial leg compartment has

A

ankle evertors

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32
Q

posterior leg compartment has

A

ankle flexors, plantar flexors

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33
Q

anterior foot has

A

extensors

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34
Q

posterior foot has

A

flexors

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35
Q

muscles in anterior compartment of the thigh

A

rectus femoris, vastus muscles, sartorius, pectineus

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36
Q

vastus muscles

A

vastus medialis, vastus intermedius, vastus lateralis

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37
Q

rectus femoris crosses

A

knee and hip joint

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38
Q

rectus femoris movements

A

knee extension, hip flexion

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39
Q

vastus muscles attach to

A

femur with vast site of attachment

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40
Q

vastus muscles movement

A

knee extension

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41
Q

sartorius path

A

outer edge of pelvis (ASIS) to medial proximal tibia (crosses lateral to medial)

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42
Q

sartorius movement

A

flex hip, flex knee, lateral rotation

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43
Q

pectineus movement

A

hip adduction, some hip flexion

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44
Q

anterior compartment of the thigh innervation

A

femoral nerve (pectineus sometimes obturator)

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45
Q

anterior compartment of the thigh blood supply

A

femoral artery

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46
Q

label the diagram of the anterior thigh muscles

A

done

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47
Q

muscles in medial compartment of thigh

A

adductor brevis, adducot rlongus, adductor magnus, gracilis, obturator externus

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48
Q

label the diagram of the medial thigh muscles

A

done

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49
Q

gracilis course

A

down medial thigh, from pelvis to tibia

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50
Q

medial compartment of the thigh innervation

A

obturator nerve

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51
Q

medial compartment of the thigh blood supply

A

obturator artery

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52
Q

label the diagram of the posterior compartment of the thigh

A

done

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53
Q

posterior compartment of the thigh muscles are collectively known as the

A

hamstrings

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54
Q

muscles in the posterior thigh compartment

A

semitendinosus, semimembranosus, biceps femoris, adductor magnus

55
Q

posterior compartment of the thigh innervation

A

sciatic, tibial nerve. short head of biceps femoris common fibular nerve.

56
Q

posterior compartment of the thigh blood supply

A

profunda femoris from femoral artery (perforating arteries)

57
Q

label the diagram of the posterior compartment of the thigh

A

done

58
Q

muscles in the gluteal region

A

gluteus maximus, gluteus medius, gluteus minimus, piriformis, obturator internus, superior and inferior gemelli, quadratus femoris, tensor fascia latae

59
Q

gluteus maximus movement

A

hip extension

60
Q

gluteus medius movement

A

hip abduction

61
Q

gluteus minimus movement

A

hip abduction

62
Q

piriformis movement

A

hip external rotation

63
Q

obturator internus movement

A

hip external rotation

64
Q

superior and inferior gemelli movement

A

hip external rotation

65
Q

quadratus femoris movement

A

hip external rotation

66
Q

tensor fascia latae movement

A

tenses fascia latae

67
Q

gluteal region innervation

A

superior and inferior gluteal nerves for gluteus muscles

68
Q

gluteal region blood supply

A

superior and inferior gluteal arteries from internal iliac artery

69
Q

label the diagram of the gluteal region

A

done

70
Q

label the diagram of the anterior crural compartment of the leg

A

done

71
Q

muscles in the anterior crural compartment of the leg

A

tibialis anterior, extensor hallucis longus, extensor digitorum longus, fibularis peroneus tertius

72
Q

tibialis anterior movement

A

inverts foot

73
Q

extensor hallucis longus movement

A

extends big toe

74
Q

extensor digitorum longus movement

A

extends other toes

75
Q

fibularis peroneus tertius movement

A

inverts foot

76
Q

anterior crural compartment of the leg innervation

A

deep fibular nerve, branch of common fibular, from sciatic

77
Q

anterior crural compartment of the leg blood supply

A

anterior tibial, branch of popliteal

78
Q

muscles of the lateral crural compartment of the leg movement

A

dorsiflex ankle

79
Q

label the diagram of the lateral crural compartment of the leg

A

done

80
Q

muscles in the lateral crural compartment of the leg

A

fibularis longus, fibularis brevis

81
Q

lateral crural compartment of the leg innervation

A

superficial fibular nerve, branch of common fibular from sciatic

82
Q

lateral crural compartment of the leg blood supply

A

fibular artery branches

83
Q

label the diagram of the posterior crural compartment of the leg

A

done

84
Q

posterior crural compartment of the leg is split into

A

superficial, deep

85
Q

muscles of the superior area of the posterior crural compartment of the leg

A

gastrocnemius, soleus

86
Q

gastrocnemius

A

2 head, crosses knee, converges at Achilles’ tendon

87
Q

gastrocnemius movement

A

plantar flexor

88
Q

soleus

A

converges at Achilles’ tendon

89
Q

soleus movement

A

plantar flexor

90
Q

plantaris is important for

A

proprioception

91
Q

muscles of the deep area of the posterior crural compartment of the leg

A

tibialis posterior, flexor hallucis longus, flexor digitorum longus, popliteus

92
Q

tibialis posterior movement

A

everts foot

93
Q

flexor hallucis longus movement

A

flexes big toe

94
Q

flexor digitorum longus movement

A

flexes other toes

95
Q

popliteus

A

key to the knee

96
Q

posterior crural compartment of the leg innervation

A

tibial nerve

97
Q

posterior crural compartment of the leg blood supply

A

posterior tibial artery

98
Q

label the diagram of the myotomes (know well)

A

done

99
Q

label the diagram of the nerves vs. myotomes and the boxes

A

done

100
Q

posterior division of L2, L3, L4 make up

A

femoral nerve

101
Q

label the diagram of the dermatomes

A

done

102
Q

label the diagram of the lumbosacral plexus

A

done

103
Q

label the diagram of the anterior thigh

A

done

104
Q

anterior thigh compartment is innervated by

A

femoral nerve

105
Q

medial thigh compartment is innervated by

A

obturator nerve

106
Q

lumbar plexus runs from

A

T12-L5

107
Q

cutaneous innervation of the thigh

A

iliohypogastric, ilioinguinal, genitofemoral, lateral femoral cutaneous

108
Q

anterior division of L2, L3, L4 make up

A

obturator nerve

109
Q

label the diagram of the sacral plexus

A

done

110
Q

label the diagram of the posterior thigh

A

done

111
Q

everything below the knee is innervated by the

A

sacral plexus

112
Q

sacral plexus gives rise to

A

superior gluteal, inferior gluteal, sciatic nerve

113
Q

label the posterior and anterior diagrams of the leg

A

done

114
Q

label the diagrams of the femoral and sciatic nerve

A

done

115
Q

where is the safe injection site in the gluteal region?

A

upper outer quadrant

116
Q

movement affected by damage to femoral nerve

A

knee extension, hip flexion

117
Q

femoral nerve test

A

flex patient knee, press on shin, get them to extend knee (against resistance)

118
Q

sensory deficits caused by damage to femoral nerve

A

medial thigh, anterior and medial leg

119
Q

movement affected by damage to sciatic nerve

A

knee flexion, hip extension, distal limb movements

120
Q

sciatic nerve test

A

get patient to lie on front, push back on calf, ask to flex knee

121
Q

label/look at diagrams of nerve tests

A

done

122
Q

sensory deficits caused by damage to sciatic nerve

A

posterior thigh, distal lower limb

123
Q

label the 2 diagrams of the femoral triangle

A

done

124
Q

boundaries of femoral triangle

A

inguinal ligament, sartorius, adductor longus

125
Q

floor of femoral triangle

A

adductor longus, pectineus, iliopsoas

126
Q

contents of the femoral triangle

A
N - femoral nerve, most lateral
A - femoral artery, medial to nerve
V - femoral vein, medial to artery
E - empty space, femoral canal
Y - deep inguinal lymph nodes, most medial
127
Q

label the adductor canal diagrams

A

done

128
Q

adductor canal course

A

from femoral triangle, behind sartorius, through hole in adductor magnus (adductor hiatus)

129
Q

boundaries of adductor canal

A

sartorius (anterior), adductor longus and adductor magnus (medial/posterior), vastus medialis (lateral)

130
Q

contents of adductor canal

A

femoral artery and vein, saphenous nerve

131
Q

popliteal fossa is where?

A

posterior of knee joint

132
Q

contents of popliteal fossa

A

popliteal artery and vein, tibial nerve, small saphenous vein

133
Q

label the diagram of the popliteal fossa

A

done