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Anatomy II > Thigh Lecture 10 > Flashcards

Thigh Lecture 10 Flashcards

1
Q

Origin Insertion of Iliopsoas

A

Iliacus part of iliac fossa and lesser trochanter

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2
Q

Action Innervation of iliopsoas?

A

Flexes internally rotates hip, extends and laterally beds lumbar vertebral column.
Iliacus via femoral nerve

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3
Q

Sartorius origin and insertion?

A

ASIS and Upper part of medial surface of tibia

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4
Q

Sartorius action innervation?

A

Flexes abducts and externally rotates hip, flexes and internally rotates knee
Femoral nerve

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5
Q

Pectineus origin and insertion?

A

Pectineal line of pubis and upper half of pectineal line of femur

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6
Q

Pectineus action and innervation?

A

Flexes adducts and internally rotates hip

Femoral nerve

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7
Q

Rectus femoris origin and insertion?

A

AIIS and posterosuperior aspect of rim of acetabulum.

Tibial tuberosity via patellar tendon

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8
Q

Rectus femoris action innervation?

A

extends the knee and flexes the hip, femoral nerve

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9
Q

What are the muscles of the anterior thigh compartment?

A 
Iliopsoas
Sartorius
Pectineus
Quadriceps
*all innervated by femoral nerve
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10
Q

What covers the vastus lateralis?

A

Fascia from tensor fascia latae? check

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11
Q

Origin and insertion of Vastus lateralis?

A

Intertrochanteric line greater trochanter gluteal tuberosity and upper part of linea aspera.
Tibial tuberosity via patellar tendon.

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12
Q

Action and Innervation of Vastus lateralis?

A

Extends knee and femoral nerve (L2-4)

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13
Q

what is the only quadriceps muscle that can flex hip?

A

Rectus femoris because it is the only one that crosses the hip

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14
Q

What spinal level makes up femoral nerve?

A

L2-L4

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15
Q

Vastus medialis origin and insertion?

A

Intertrochanteric line, greter trochanter, medial lip of linea aspera, medial supracondylar line.
Tibial tuberosity via patellar tendon

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16
Q

Action innervation of vastus medialis?

A

Extends knee and Femoral Nerve

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17
Q

Vastus intermedius origin and insertion?

A

Upper 2/3 of femoral shaft and distal half of intermuscular septum.
Tibial tuberosity via patellar tendon.

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18
Q

Action and innervation of vastus intermedius?

A

Extends knee and Femoral nerve

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19
Q

What are the muscles of the medial thigh compartment?

A

Gracilis
Addductor longus, brevis, magnus
Obturator externus

20
Q

In general what artery, nerve, and action supply medial thigh compartment?

A

Obturator artery (branch of internal iliac)
Obturator nerve, and tibial nerve ( to hamstring portion of adductor mag.)
Adduction

21
Q

What creates the adductor hiatus?

A

Adductor magnus

22
Q

Adductor magnus what is special?

A

The most medial part of the magnus acts similar to the posterior compartment (hamstrings)

23
Q

Gracilis origin and insertion?

A

Front of body of pubis and inferior ramus of pubis.

Upper part of medial surface of shaft of tibia

24
Q

Gracilis action and innervation?

A

Adduct hip, flex knee, assist internal rotation of tibia.

Anterior division of obturator nerve (L2-L3)

25
Q

Adductor longus origin and insertion?

A

Crest and symphysis of pubis.

Medial lip pf linea aspera

26
Q

Adductor longus action innervation?

A

Adduct, flex, externally roate thigh

Anterior division of obturator nerve

27
Q

Adductor brevis origin and insesrtion?

A

body of inferior ramus of pubis.

Pectineal line of femur and upper part of linea aspera

28
Q

Action innervation of adductor brevis?

A

Adduct flexes and internally rotates hip

ant. division of obturator nerve

29
Q

Adductor magnus origin and insertion?

A

Ischial tuberosity and ischiopubic ramis.

Medial side of femur adductor tubercle.

30
Q

Adductor magnus action innervatioin?

A

adducts hip, upper fibers flex and internally rotate hip lower fibers extend ext. rotate hip.
ant. division of obturator and tibial branch of sciatic nerve

31
Q

Obturator externus origin and insertion?

A

External surface of pubis and obturator foramen.

Trochanteric fossa

32
Q

Obturator externus action innervation?

A 
externally rotates hip 
obturator nerve (L3-L4)
33
Q

In general what is the innervation, vascular supply and action of posterior thigh compartment?

A

Common peroneal nerve to the biceps femoris brevis
Tibial nerve
Perforating arteries
Hip extension and knee flexion

34
Q

Of adductor longus, brevis, magnus which one has the different action?

A

adductor longus externally roates hip other two internally rotate hip. Also magnus medial fibers externally rotate hip.

35
Q

Function in general of quadriceps?

A

Extend knee

Exception is rectus femoris it also flexes hip

36
Q

What makes up the hamstrings?

A

Biceps femoris (long/short head)
Semimembranous
Semitendinosus

37
Q

Biceps femoris long head origin and insertion.

A

ischial tuberosity.

Lateral side of head of fibula and lateral condyle of tibia

38
Q

Biceps femoris long head action innervation?

A

Flexes knee and externally rotates knee, long head extends hip
TIbial nerve

39
Q

Biceps femoris short head origin insertion?

A

Lateral lip linea aspera.

Lateral side of head of fibula and lateral condyle of tibia

40
Q

Biceps femoris action innervation?

A

Flexes knee and externally roates knee

Common peroneal nerve

41
Q

Semimembranosus origin and insertion?

A

ischial tuberosity and adjacent ischial ramus.

Posteromedial aspect of medial tibial condyle

42
Q

What is the exception to the hamstrings innervation?

A

Short head biceps femoris is innervated by common peroneal nerve not tibial.

43
Q

Semimembranosus action innervation?

A

Flexes knee rotates it internally and extends the hip

tibial nerve

44
Q

Semitendinosus origin and insertion?

A

common with long head of biceps longus- ischial tuberosity.

Upper part of medial surface of tibia

45
Q

Semitendinosus action innervation?

A

flexes knee internally rotates it and extends the hip.

Tibial nerve

Anatomy II (10 decks)

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