Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

anatomy 214 > upper leg muscles > Flashcards

upper leg muscles Flashcards

1
Q

what are the borders of the femoral triangle?

A

Superior: Inguinal ligament

Lateral: Sartorius

Medial: Adductor longus

Apex: Lateral border of sartorius across medial
border of adductor longus

Floor: Ilioposoas (lat) + pectineus (med)

Roof : Fascia lata + cribriform facia, subcutaneous tissue + skin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

2 compartments of the femoral triangle ______

which is divided by the:

A

Lacuna

iliopectineal arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Lateral lacuna:

A

Muscular lacuna

  • Iliopsoas
  • Femoral nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Medial lacuna:

A

Vascular lacuna

  • Arteries and veins
  • Lymphatics
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

content of the femoral triangle

A
  • Femoral nerve and branches

- Femoral sheath

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

femoral triangle is divided into:

A

Lateral compartment:
Femoral artery

Intermediate compartment:
Femoral vein

Medial compartment:
femoral canal (smallest)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

femoral canal function

A
  • Allows femoral vein to expand during increased venous return
  • or increased intra-abdominal pressure
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Adductor canal:

A

Intermuscular passage for:

  • Femoral a/v
  • saphenous nerve
  • nerve to vastus medius
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Anterior compartment contains:

A
  • Anterior thigh muscles
  • Flexors of the hip
  • Extensors of the knee
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Atrophy of muscles

A

Rapidly with disease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which anterior muscles does the femoral nerve supply?

A

Pectineus
Iliacus
Sartorius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which anterior muscles does the anterior rami of the lumbar nerve supply?

A
  • Iliopsoas

- Psoas minor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
A

Pectineus muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Nerve supply of pectineus muscle

A

Femoral nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Pectineus proximal attachment

A

Superior ramus of pubis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Pectineus distal attachment

A

Pectineul line (femur)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Pectineus actions

A

adducts + flexes thigh

Medially rotates thigh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q
A

Sartorius muscles
[Tailors muscle]
-Longest muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Sartorius nerve supply

A

Femoral nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Sartorius proximal attachment

A
  • Anterior, superior iliac spine

- superior part of notch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Sartorius distal attachment

A

Superior part of the medial surface of the tibia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Sartorius actions:

A
  • Flexes, abducts, laterally rotates thigh at hip joint
  • flexes leg at knee
  • works with other muscles
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q
A

Iliopsoas muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

The iliopsoas muscle consists of:

A

-Psoas major, minor
(anterior rami of lumbar nerve)
-Iliacus (femoral nerve)

[Attached to the vert. column, pelvis, femur]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

iliopsoas proximal attachment

A
  • T12-L5
  • Transverse processes of lumbar vert.
  • Iliac crest
  • Iliac fossa
  • Anterior sacroiliac ligaments
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Iliopsoas distal attachment:

A
  • lesser trochanter of femur
  • Pectineal line
  • iliopectineal eminence
  • Tendon psoas major
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

iliopsoas actions

A
  • (main) flexing thigh at hip
  • Stabilising
  • most powerful muscles
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Quadriceps femoris consists of:

A
  1. Rectus femoris
    2 Vastus lateralis
  2. vastus intermedius
  3. vastus medialis

[femoral nerve]
-have the same distal attachment and actions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Quadriceps femoris characteristics

A
  • Most powerful muscles
  • 3x stronger than hamstrings
  • Work over two joints
  • Action on hip and knee
  • Tendons of muscles unite as the
    quadriceps tendon
  • Patellar ligament continuation of
    this tendon
  • Medial + lateral vastus also attach to
    patella = form aponeuroses (medial
    and lateral patellar retinacula)-
    reinforce the joint capsule + keep
    patella aligned
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q
A 
rectus femoris 
(runs straight down the thigh)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

recuts femoris proximal attachment

A
  • Anterior inferior iliac spine

- Ilium, superior to the acetabulum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Quadriceps femoris distal attachment

A
  • Quadriceps tendon
  • independent attachment to the patella
  • aponeuroses
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Quadriceps femoris actions

A
  • extend knee joint
  • flex thigh
    steadies hip joint
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q
A

vastus lateralis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Vastus lateralis proximal attachment

A
  • greater trochanter of femur

- lateral lip of linea aspera of femur

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q
A

vastus medialis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Vastus medialis proximal attachment

A
  • intertrochanteric line

- medial lip of linea aspera of femur

38
Q
A

vastus intermedius

39
Q

vastus intermedius proximal attachment

A
  • anterior and lateral surfaces of femur shaft
40
Q

Medial thigh muscles, also called the ________

and consist of:

A

adductor canal

  • Adductor longus
  • Adductor brevis
  • Adductor magnus
  • Gracilis
  • Obturator externus
41
Q

what is the function of the adductor canal?

A

Movement of certain structures from anterior to posterior in the leg

42
Q

what happens if there is variation in the line of gravity?

A

Variation of this can lead to injury

43
Q

What medial thigh muscles does the obturator nerve supply?

A
  • adductor longus
  • adductor brevis
  • obturator externus
  • gracilis
44
Q
A

adductor longus

45
Q

adductor longus proximal attachment

A

body of the pubis

-inferior to the pubic crest

46
Q

adductor longus distal attachment

A

middle 1/3 of proximal part of linea aspera

47
Q

adductor longus action

A

adducts thigh

48
Q
A

adductor brevis

49
Q

adductor brevis proximal attachment

A

body and inferior ramus of pubis

50
Q

adductor brevis distal attachment

A

pectineal line and proximal part of linea aspera

51
Q

adductor brevis action

A

adducts thigh

52
Q
A

obturator externus

53
Q

obturator externus proximal attachment

A
  • margins of obturator foramen

- obturator membrane

54
Q

obturator externus distal attachment

A

-trochanteric fossa

55
Q

obturator externus actions

A
  • Laterally rotates thigh

- steadies femur head in acetabulum

56
Q
57
Q

Gracilis proximal attachment

A

body and inferior ramus of pubis

58
Q

gracilis distal attachment

A

superior part of the medial surface of the tibia

59
Q

gracilis actions

A
  • adducts thigh
  • flexes leg
  • helps medially rotate
60
Q
A

adductor magnus

61
Q

adductor magnus nerve supply

A

Adductor part: obturator nerve

hamstring part: tibial part of sciatic nerve

62
Q

Proximal attachment of the adductor magnus

A

adductor part:
- Ramus of the pubis and ischium

hamstring part:
Ischial tuberosity

63
Q

adductor magnus distal attachment

A

adductor part:

  • gluteal tuberosity
  • linea aspera
  • medial supracondylar line

hamstring part:
- adductor tubercle of femur

64
Q

adductor magnus actions

A
  • Flexes, adducts and extends thigh
65
Q

Posterior thigh muscles:

A

3- hamstings:
> Semitendinosus
> Semimembranosus
> Biceps femoris

66
Q
A

Semitendinoses

67
Q

Semitendinosus and semimembranosus share what?

A
  • same nerve supply
  • same action
  • same proximal attachment
68
Q

Semitendinosus proximal attachment

A

ischial tuberosity

69
Q

Semitendinosus nerve supply

A

Tibial division of sciatic nerve

70
Q

Semitendinosus distal attachment

A

medial surface of superior part of tibia

71
Q

Semitendinosus action

A

Extend thigh,flex leg,rotate leg medially

72
Q
A

Semimembranosus

73
Q

Semimembranosus proximal attachment

A

Ischial tuberosity

74
Q

Semimembranosus distal attachment

A

Posterior part of medial condyl of tibia

Some attachments form oblque popliteal ligament

75
Q

Semimembranosus action

A

Extend thigh,flex leg,rotate leg medially

76
Q

Semimembranosus Tendon divides into

A
  • Attachment to post aspect of medial tibial
    condyle
  • Blends with popliteal fascia
  • Part reinforces intercondylar part of joint
    capsule as the oblique popliteal ligament
77
Q

Nerve supply of Biceps femoris

A

Long head of biceps femoris
> Tibial div of sciatic n

Short head of biceps femoris
> Common fibular div of sciatic n

78
Q
A

Biceps femoris

79
Q

Biceps femoris proximal attachment

A 
Long head
   > Ischial tuberosity
Short head
  > Linea aspera,lateral supracondylar line of 
    femur
80
Q

Biceps femoris distal attachment

A
  • Lateral side of head of fibula

- Tendon split by the fibular collateral ligament knee

81
Q

Biceps femoris action

A

Flexes knee,rotates knee laterally,extends thigh

82
Q

Common tendon of insertion of

  1. gracilis
  2. sartorius
  3. semitendinosus
A

pes anserinus

83
Q

Tensor fascia latae proximal attachment

A

Anterior iliac crest

Surface of ilium below the crest

84
Q

Tensor fascia latae distal attachment

A

¼ down the thigh on iliotibial tract onto anterolateral tibial condyle

85
Q

Tensor fascia latae action

A

Abduct hip,flex hip

86
Q
A

Tensor fascia latae

87
Q

Tensor fascia latae connected via the _______ to the lower leg

A

iliotibial tract

88
Q
A

iliotibial tract

89
Q

Veins from posterior hip joint

A

Great saphenous v

Femoral v

91
Q

fascia lata

A

The fascia that are found just under the skin.

The fascia of the leg is one “sock” around the leg from superior to inferior

anatomy 214 (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions