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VCU Anatomy Test 2 > Thigh > Flashcards

Thigh Flashcards

1
Q

Thigh is the region between the hip and knee containing the __ and___.

A

femur

patella

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2
Q

Sesamoid bone within the quadricep tendon.

A

patella

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3
Q

Thigh is covered by dense connective tissue called ________.

A

fascia lata

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4
Q

Thigh is divided into three compartments _________, _________, and _________. These are divided by intermuscular septa that arise from the fascia lata.

A

anterior
medial
posterior

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5
Q

The anterior compartment is separated from the posterior compartment by the ____ _____ ______.

A

lateral intermuscular system

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6
Q

The anterior compartment is separated from the medial compartment by the ___ ____ ____.

A

medial intermuscular system

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7
Q

Quadriceps Femoris: 4 muscles

A
  1. rectus femoris
  2. vastus lateralis
  3. vastus medialis
  4. vastus intermedius
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8
Q 
rectus femoris:
origin - 
insertion - 
innervation - 
function -
A

origin - AIIS

insertion - patella via quadricep tendon, continuing to tibial tuberosity via patellar ligament

innervation - femoral n.

function - 1. extend leg at knee
2. flexes thigh
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9
Q 
vastus lateralis:
origin - 
insertion - 
innervation - 
function -
A

origin - greater trochanter

insertion - patella via quadricep tendon, continuing to tibial tuberosity via patellar ligament

innervation - femoral n.

function - extends leg at knee

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10
Q 
vastus medialis:
origin - 
insertion - 
innervation - 
function -
A

origin -intertrochanteric line, medial lip of linea aspera

insertion - patella via quadricep tendon, continuing to tibial tuberosity via patellar ligament, patella and tibia via medial patellar retinacululm

innervation - femoral n.

function - extends leg at knee

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11
Q 
vastus intermedius:
origin - 
insertion - 
innervation - 
function -
A

origin - anterior & lateral shaft of femur

insertion - patella via quadricep tendon, continuing to tibial tuberosity via patellar ligament

innervation - femoral n.

function - extends leg at knee

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12
Q 
sartorius:
origin - 
insertion - 
innervation - 
function -
A

origin - ASIS

insertion - anteromedial surface of proximal tibia, contributes to pes anserinus tendon

innervation - femoral n.

function - 1. flexes thigh

  1. externally rotates thigh
  2. ABducts thigh
  3. flexes knee
  4. weakly internally rotates knee
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13
Q 
pectineus:
origin - 
insertion - 
innervation - 
function -
A

origin - superior ramus of pubis (pectineal line of pubis)

insertion - pectineal line of femur, interior to lesser trochanter of femur

innervation - femoral n.

function - 1. ADducts thigh

  1. flexes thigh
  2. internally rotates thigh
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14
Q 
tensor fascia lata:
*often considered a gluteal m..
origin - 
insertion - 
innervation - 
function -
A

origin - ASIS, anterior part of iliac crest

insertion - patella via quadricep tendon, continuing to tibial tuberosity via patellar ligament

innervation - superior gluteal nerve n.

function - 1. ABducts thigh

  1. internally rotates thigh
  2. flexes thigh
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15
Q

iliopsoas:

3 compartments

A
  1. psoas major
  2. iliacus
  3. psoas minor
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16
Q 
psoas major:
origin - 
insertion - 
innervation - 
function -
A

origin - sides & transverse processes of T12 & L vertebrae & associated intervertebral discs

insertion - lesser trochanter of femur

innervation - anterior rami of lumbar n.

function - acts with iliacus, flexes unfixed thigh, may initiate trunk flexion (sit ups), acts as postural stabilizer, helps maintain lumbar lordosis

17
Q 
iliacus:
origin - 
insertion - 
innervation - 
function -
A

origin - iliac fossa

insertion - lesser trochanter of femur

innervation - femoral n.

function - acts with psoas major, flexes unfixed thigh, may initiate trunk flexion (sit ups), acts as postural stabilizer

18
Q 
ADdcuctor longus:
origin - 
insertion - 
innervation - 
function -
A

origin - body of pubis
insertion - linea aspera (middle 1/3)
innervation - obturator n.
function - ADducts thigh

19
Q 
ADductor brevis:
origin - 
insertion - 
innervation - 
function -
A

origin - body and inferior ramus of pubis
insertion - pectineal line of femur and proximal part of linea apera
innervation - obturator n.
function - ADducts thigh

20
Q 
ADductor magnus:
HAMSTRING PART
origin - 
insertion - 
innervation - 
function -
A 
HAMSTRING PART
origin - ischial tuberosity
insertion - adductor tubercle
innervation - tibial part of sciatic n.
function - weakly extends thigh
21
Q 
Gracilis:
origin - 
insertion - 
innervation - 
function -
A 
origin - body & inferior ramus of pubis
insertion - medial surface of proximal tibia btwn insertions of sartorius & semitendinous; contributes to pes anserinus tendon
innervation - obturator nerve
function - 1. ADducts thigh
2. flexes knee
3. weakly internally rotates leg at knee
22
Q 
Obturator Externus:
deep to pectineus
origin - 
insertion - 
innervation - 
function -
A

origin - external surface of obturator foramen & membrane
insertion - passes posterior to neck of femur & attaches to the trochanteric fossa
innervation - obturator n.
function - 1. external rotation of thigh
2. steadies head of femur in acetabulum

23
Q 
ADductor magnus:
ADDUCTOR PART
origin - 
insertion - 
innervation - 
function -
A

ADductor magnus:
ADDUCTOR PART
origin - inferior ramus of pubis, ramus of ischium
insertion - gluteal tuberosity, linea aspera, medial supracondylar line
innervation - obturator nerve
function - 1. ADducts thigh
2. weakly flexes thigh

24
Q

Blood supply to medial compartment

A
  1. femoral a.
  2. perforating branches of deep femoral a.
  3. obturator a. (branch of internal iliac a.)
25
Q

The fascial tunnel running from the apex of the femoral triangle to the adductor hiatus (in tendon of adductor magnus)

A

adductor canal

26
Q

Boundaries of adductor canal

A
  1. posterior: adductor longus & magnus
  2. medial (roof): sartorius
  3. anterolateral: vastus medialis

VCU Anatomy Test 2 (25 decks)

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