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Anatomy (ME) > Posterior thigh & gluteal region > Flashcards

Posterior thigh & gluteal region Flashcards

1
Q

What 4 muscles make up the posterior thigh

A

biceps femoris
semitendenous
semimembranous
adductor magnus- only hamstring portion

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2
Q

what part of adductor magus is part of the posterior thigh

A

the hamstring portion

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3
Q

true/false

muslces of gluteal region are not contained in a fasica

A

true

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4
Q

how many heads does biceps femoris have

A

2 heads
long head
short head

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5
Q

what muscle of the posterior thigh is more lateral

A

biceps femoris

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6
Q

what is the origin of biceps femoris

A

isheal tuberosity

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7
Q

what is the insertion of biecps femoris

A

the head of the tibia

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8
Q

whats the action of the long head of biceps femoris

A

extend hip and flex the knee

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9
Q

whats the action of short head of biceps femoris

A

flex the knee only

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10
Q

what nerves innervated the biceps femoris muscles

A

sciatic nerve

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11
Q

whats the name of the muslce that lies immediatly medial to biceps femoris

A

semitendenous

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12
Q

whats the name of the muscle in the posterior thigh that is tendon shaped

A

semitendenous

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13
Q

what is the orgin of the semitendenous muscle

A

the isheal tuberocity

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14
Q

whats the insertion of the semitendenous muscle

A

the medial side of the head of the tibia

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15
Q

whats the action of the semitendenous muscle

A

extend thigh at hip and flex knee

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16
Q

what nerve innervates the semitendenous muscle

A

sciatic nerve

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17
Q

what muscle lies underneath semitendenous

A

semimembranous

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18
Q

whats the name of the muscle that is flattened, broad and located in the posterior thigh

A

semimembranous

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19
Q

whats the origin of semimembranous

A

isheal tuberosity but further up than semitendenous

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20
Q

whats the insertion of semimembranous

A

medial tibial condyle

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21
Q

whats the actions of semimembranous

A

flexes leg at knee and extend thigh

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22
Q

what nerve innervates the semimembranous muscle

A

sciatic nerve

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23
Q

what are the names of the 3 gluteal muscle

A

gluteal maximum
gluteal medius
gluteal minimus

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24
Q

which is the largest and most superficial gluteal muscle

A

gluteus maximus

25
what are the origins of gluteal maximus
posterior aspect of sacrum iliac crest sacrotuberous ligament
26
where does the gluteus maximus muscle insert
runs down the length of the hamstring towards the popliteal foss
27
What nerve innervates the gluteal maximus muscle
inferior gluteal nerve
28
whats the name of the muscle that lies between gluteal maximus and minimus
gluteal medius
29
whats the orgin of gluteal medius
posterior surface of ilium
30
where does the gluteal medius muscle insert
greater trochanter
31
what nerve innervates the gluteal medius muscle
the superior gluteal nerve
32
whats the name of the gluteal muscle thats the most smallest and deepest
gluteal minimus
33
whats the origin of the gluteal minimus muscle
ilium
34
where does the gluteal minimus muscle insert
anterior side of the greater trochanter
35
what nerve innervates the gluteal minimus muscle
superior gluteal nerve
36
what is the boney prominence of the gluteal region
the isheal tuberosity
37
whats the name of the ligament that connects the spine to the ishium
the sacrospinous ligament
38
what runs through the greater sciatic foramen
the sciatic nerve and the piriformis muscle
39
what is the name of the muscle that is immediately above the sciatic nerve in the gluteal region
the piriformis muscle
40
whats the origin of the piriformis muscle
the anterior sacrum
41
whats the insertion of the piriformis muscle
greater trochanter of femur
42
whats the name of the muscle that is square in shape
quadratus femoris
43
what muscle is located below the gemilli muscle and obturator internus muscle
quadratus femori
44
whats the name of the muscle that has 2 triangular muscles and is separated by obturator internus tendon
gemelli superior and inferior
45
whats the popliteal fossa
the diamond shaped area located on the posterior aspect of the thigh
46
what forms the diamond shape of the popliteal fossa
the hamstring muscles that insert lateral and medial to the popliteal fossa semimembranous semitendenous biceps femoris
47
what does the sciatic nerve supply
all posterior compartment of the thigh and muscles below the knee
48
what does the popliteal fossa contain running through it
popliteal vein, artery, tibial nerve and common fibular nerve
49
how does the artrey, vein and sciatic nerve enter the popliteal fossa
via the adductor canal
50
whats the name of the vessel that enters the popliteal fossa and drains into the popliteal vein
the short saphenous vein
51
what causes sciatic
prolapse of the intervertebral foramina that compresses the sciatic nerve
52
what nerve root does the sciatic nerve arise from
L5-S4
53
where is referred pain in sciatica felt
down the skin of the thigh, leg and foot
54
what is the best location for IM injection on the gluteal regions and why
RUQ has lots of muscle good absorption
55
what nerve is susceptible to compression in a popliteal aneurysm
tibial nerve
56
what symptoms will a patient present with due to compression of the tibial nerve due to a popliteal aneurysm
paraesthesia of foot | weakened/absent plantar flexion
57
what sign will be present due to weakened gluteal muscle
trendelenberg sign
58
what is + trendelenberg sign
pelvic drop when patient stand on unsupported leg without assistance

Anatomy (ME) (23 decks)

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