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ANAT 315 (: > 11. The Thigh :) > Flashcards

11. The Thigh :) Flashcards

1
Q

What forms the linea aspera?

A

Linea aspera: gluteal tuberosity+pectineal line

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2
Q

Identify the following bones (colored) of the lower body.

A

blue: femur
green: patella
purple: tibia (more medial)
orange: fibula (more lateral)

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3
Q

What is the patella?

A

sesamoid bone: loose sitting in tendon

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4
Q

Which bone does all the weight bearing: tibia or fibula?

A

tibia

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5
Q

Identify the structures on the ANTERIOR aspect of the femur.

A

a) medial epicondyle
b) lateral epicondyle

RED DOT near medial epicondyle: adductor tubercle

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6
Q

Identify the following parts of the POSTERIOR aspect of the femur.

A

a) medial condyle
b) lateral condyle
c) linea aspera
d) lateral supracondylar ridge
e) medial supracondylar ridge

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7
Q

What is found between the tibia and fibula?

A

interosseus membrane: distribute force and weight to fibula

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8
Q

Idenitfy the following parts of the ANTERIOR aspect of the tibia.

A

top: medial condyle
middle: lateral condyle
bottom: tuberosity

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9
Q

Identify the various structures of the ANTERIOR aspect of the fibula and tibia.

A
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10
Q

What is found on the superior view of the tibia?

A

medial and lateral plateau that articulates with femur

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11
Q

Name the different posterior thigh muscles. Whats another name for this group.

A

Posterior thigh muscle=hamstring muscles

  1. bicep femoris (most lateral)
  2. semitendinous
  3. semimembranosus (most medial)

(all inn by sciatic n)

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12
Q

Identify the muscle in blue.

A

Hamstring: BICEP FEMORIS

Long Head

ori: ischial tuberosity
ins: head of fibula
inn: tibial division of sciatic n
act: extension of hip

Short head: (deep)

ori: linea aspera & lateral supracondylar ridge
ins: head of fibula
inn: common fibular division n
act: flexion @ knee & lateral rotation @ knee

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13
Q

Identify the muscle in green.

A

Hamstring:

SEMITENDINOUS

(1/2 tendon)

ori: ischial tuberosity
ins: surface of anterior tibia (medial to tibial tuberosity)=Pes anserinus (duck foot)
inn: tibial division sciatic n
act: flexion @ knee, medial rotation @ knee, extension hip

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14
Q

Identify the muscle in orange

A

Hamstring:

Semimembranosus

ori: ischial tuberosity
ins: medial condyle of tibia
inn: tibial divion of sciatic n
act: flexion @ knee, medially rotate knee, extend hip

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15
Q

Name the 6 different muscles of our anterior thigh.

A

anterior thigh (all inn by femoral n)

Quadratus Femoris group: rectus femoris, vastus lateralis, vastus intermedialis, vastus medialis

sartorius and iliopsoas

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16
Q

Where do the quadriceps femoris group all insert on?

A

Quadriceps femoris ( rectus femoris, vastus lateralis, vastus intermedius, vastus medialis)

all insert on quadriceps tendon=patellar ligament =knee cap (sesamoid bone)

(all inn by femoral n)

17
Q

Identify the following muscle.

A

(part of quadriceps femoris-ant thigh compartment)

RECTUS FEMORIS

ori: AIIS (anterior inferior iliac spine)
ins: patella & tibial tuberosity
inn: femoral n
act: extension @ knee (kicking)

18
Q

Identify the muscle in green.

A

(ant thigh: quadriceps femoris)

VASTUS LATERALIS

ori: greater trochanter & lateral lip of linea aspera
ins: patella & tibial tuberosity
inn: femoral n
act: extension at knee

19
Q

Identify the muscle in orange.

A

(ant thigh-quadriceps femoris)

VASTUS MEDIALIS

ori: intertrochanteric line & medial lip of linea aspera
ins: patella & tibial tuberosity
inn: femoral knee
act: extension @ knee

20
Q

Identify the muscle in purple.

A 
(ant thigh- quadriceps femoris)
VASTUS INTERMEDIUS (deep to rectus femoris)

ori: shaft of femur
ins: patella & tibial tuberosity
inn: femoral n
act: extension at knee

21
Q

What are the two diseases due to abnormal q angles?

A

q angle: angle between femur and knee

  1. GENU VARUM: ‘bow legged’

more p on medial

  1. GENU VALGUM: ‘knock kneed’

more pressure on lateral

22
Q

Identify this muscle.

A

(ant thigh)

SARTORIUS

ori: ASIS (anterior superior iliac spine)
ins: Pes anserinus (medial to anterior tibial tuberosity)
inn: femoral n
act: flexion @ hip, lateral rotation of hip, flexion @ knee

23
Q

Name the 5 muscles part of the medial thigh.

A

medial thigh=adductor muscle group

  1. pectineus (inn by femoral n)
  2. adductor longus
  3. adductor brevis
  4. adductor magnus
  5. gracilis
  6. Obturator externus

(all inn by obturator n)

24
Q

What is the border between the medial and anterior thigh compartment?

A

border: between ilipsoas and sartorius

25
Q

Name the three muscles that insert on the pes anserinus.

A

Say Grace before Tea

Sartorius

Gracilius

semitendinosus

26
Q

Identify this muscle.

A

(medial thigh: adduct. group)

GRACILIS

ori: inferior pubis ramus
ins: pes anserinus
inn: obturator n
act: adductor leg

27
Q

Identify this green muscle.

A

(medial thigh: adductor)

PECTINEUS

ori: superior pubic ramus
ins: pectineal line of femur
inn: femoral n
act: adduct leg

28
Q

Identify the muscle in blue.

A

(medial thigh: adduct group)

ADDUCTOR LONGUS

ori: body of pubis
ins: middle 1/3 of linea aspera
inn: obturator n
act: adduct leg

29
Q

Identify the muscle in orange.

A

(medial thigh: adduct grp)

ADDUCTOR BREVIS

ori: body of pubis & inferior pubic ramus
ins: proximal linea aspera & pectineal line of femur
inn: obturator n
act: adduct leg

30
Q

Identify this muscle.

A

(medial thigh: adduct group)

ADDUCTOR MAGNUS

(deepest)

Top: adductor part

ori: ischiopubis ramus
ins: gluteal line, linea aspera, medial supracondylar ridge
inn: obturator n

(in red: adductor hiatus)

Bottom: hamstirng part

ori: ischial tuberosity
ins: adductor tubercle
inn: tibial division of sciatic n
act: adduction of leg

31
Q

What runs through the adductor hiatus?

A

the femoral a to feed to posterial popliteal fossa

32
Q

Explain the venous drainage of the lower limb.

A

Vein gives off femoral vein and popliteal vein

  1. Femoral vein run medial anterior = great saphenous vein

Runs medial anterior of leg down to dorsal venous arch

runs back up medial posterior leg= small saphenous vein

  1. popliteal vein runs anterior medial thigh and meets with small saphenous vein
33
Q

Explain the lymphatic drainage of the lower limb

A
  1. popliteal lymph nodes: responsible for posterior
  2. superficial inguinal lymph nodes: anterior and medial
34
Q

What is found in the femoral triangle? What are the borders of the femoral triangle? base?

A

Femoral triangle: femoral V.A.N.

superior border: inguinal ligmament

medial border: adductor longus

lateral border: sartorius

base: ilipsoas & pectineus

35
Q

What is found within the femoral sheat? outside?

A

inside: femoral a and v
outside: femoral n

36
Q

Explain the various branches of the deep femoral artery.

A

ANAT 315 (: (6 decks)

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