Thigh Flashcards

1
Q

Is the intercondylar fossa found on the anterior or posterior side of the femur?

A

Intercondylar fossa is on the posterior side of the femur

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2
Q

Which condyles of the femur are closest to the patellar surface?

A

The lateral and medial condyles are closest to the patellar surface

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3
Q

Which condyles of the femur are located above another set of condyles?

A

The lateral and medial epicondyles

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4
Q

Which condyles of the femur are located above another set of condyles?

A

The lateral and medial epicondyles

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5
Q

Where is the adductor tubercle found on the femur?

A

Just above the medial epicondyle

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5
Q

Where is the adductor tubercle found on the femur?

A

Just above the medial epicondyle

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6
Q

What is the area between the lateral and medial condyle on the anterior tibia called?

A

Anterior intercondylar area

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7
Q

What is the area between the lateral and medial condyle on the posterior surface of the tibia called?

A

Posterior intercondylar area

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8
Q

Where is the tibial tuberosity located on the tibia?

A

On the anterior side of tibia below the condyles

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9
Q

Why is the top of the tibia flattened?

A

For weightbearing, easier to increase the load

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10
Q

Name the ligament which attached to the tibial tuberosity

A

Patella ligament

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10
Q

Name the ligament which attached to the tibial tuberosity

A

Patella ligament

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11
Q

Is the fibula a part of the knee joint?

A

No!

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12
Q

What part of the fibula articulates with the tibia?

A

The apex of the fibula

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13
Q

Does the fibula have a head and a neck?

A

Yes it does!

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14
Q

How does the rotation of hind limbs affect which muscles are ventral and which are dorsal?

A

The whole leg has to rotate for the foot to be facing forwards. Means the dorsal muscles become the anterior and lateral parts of the leg and ventral muscles become the posterior and medial parts of the leg.

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15
Q

What is different about the rotation in the front limb and hind limb?

A

For the fingers of front limb to face forward it is only the forearm that rotates and pronates. However for movement to be possible the entire hindlimb has to rotate.

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16
Q

What compartments of the thigh are dorsal?

A

Anterior

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17
Q

What compartments of the thigh are ventral?

A

Posterior and Medial

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18
Q

What compartments of the leg are dorsal?

A

Anterior and Lateral

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19
Q

What compartments of the leg are ventral?

A

Posterior

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20
Q

How many muscles are part of the anterior compartment of the thigh?

A

6

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21
Q

Name the 6 muscles that are a art of the anterior compartment of the thigh

A

Iliopsoas
Vastus lateralis
Vastus intermedius
Vastus medialis
Rectus femoris
Sartorius

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22
Q

Which 2 large muscles make up the iliopsoas muscle?

A

Psoas major
Iliacus

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23
What is the origin of iliopsoas?
Psoas major - posterior abdominal wall T12-L5 Iliacus - iliac fossa
24
What is the insertion of iliopsoas?
Lesser trochanter of the femur
25
What innervates iliopsoas?
Psoas major - Anterior rami L1,2,3 Iliacus - L2,3, branches of femoral nerve
26
What is the action of iliopsoas?
Flexes thigh at the hip joint Assists with lateral rotation at hip joint
27
In which direction will psoas major pull the femur in a femoral neck fracture?
It will laterally rotate it
28
Which 4 muscles in the anterior compartment of thigh make up quadriceps femoris tendon?
Vastus lateralis Vastus medialis Vastus intermedius Rectus femoris
29
What is the origin of vastus medialis?
Medial part of intertrochanteric line, linea aspera
30
What is the insertion of vastus medialis?
Quadricep femoris tendon
31
What innervates vastus medialis?
Femoral nerve L2,3,4
32
What is the action of vastus medialis?
Extends leg at the knee
33
What is the origin of vastus intermedius?
Upper 2/3rds of anterior and lateral femur
34
What is the insertion of vastus intermedius?
Quadriceps femoris tendon
35
What innervates vastus intermedius?
Femoral nerve L2,3,4
36
What is the action of vastus intermedius?
Extends the leg at the knee
37
What is the origin of vastus lateralis?
Lateral intertrochanteric line, gluteal tuberosity, linea aspera
38
What is the insertion of vastus lateralis?
Quadriceps femoris tendon
39
What innervates vastus lateralis?
Femoral nerve L2,3,4
40
What is the actions of vastus lateralis?
Extends the leg at the knee
41
What is the origin of rectus femoris?
Anterior inferior iliac spine - straight head Ilium above the acetabulum - reflected head
42
What is the insertion of rectus femoris?
Quadriceps femoris tendon
43
What innervates the rectus femoris?
Femoral nerve L2,3,4
44
What is the action of rectus femoris?
Extend the leg at the knee and flexes the thigh at the hip
44
What is the action of rectus femoris?
Extend the leg at the knee and flexes the thigh at the hip
45
Which nerve roots of the femoral nerve are a min part of the quadricep femoris tendon?
L3,4
46
Where does the quadriceps femoris tendon insert?
Onto the patella
47
What is the origin of sartorius?
Anterior superior iliac spine
48
What is the insertion of sartorius?
Medial surface of tibia
49
What innervates sartorius?
Femoral nerve L2,3
50
What is the action of sartorius?
Flexion, abduction, lateral rotation of hip joint Flexion on knee joint
51
What is the origin of pectineus?
Pectineal line on pubis
52
What is the insertion of pectineus?
Lesser trochanter to the linea aspera on posterior femur
53
What is the innervation of pectineus?
Femoral nerve
54
What is the action of pectineus?
Adduction and flexion at hip joint
55
Which muscle from anterior compartment of thigh is more superficial?
Sartorius
56
Which is the longest muscle in the body?
Sartorius
57
Which muscle in the anterior compartment of thigh forms the base of the femoral triangle?
Pectineus
58
Which reflex is used to test the integrity of nerve roots L3 + 4?
Tendon jerk reflex
59
What is the posterior compartment of the thigh also known as?
The hamstrings
60
Name the 3 muscle that make up the 'hamstrings'?
Biceps femoris Semitendinosus Semimembranosus
60
Name the 3 muscle that make up the 'hamstrings'?
Biceps femoris Semitendinosus Semimembranosus
61
Which is more superficial, vastus intermedius or vastus medialis?
Vastus medialis is more superficial than vastus intermedius
62
Which is more superficial, semitendinosus or semimembranosus?
Semitendinosus is more superficial to semimembranosus
62
Which is more superficial, semitendinosus or semimembranosus?
Semitendinosus is more superficial to semimembranosus
63
What is the origin of biceps femoris?
Ischial tuberosity - long head Lateral lip of linea aspera - short head
64
What is the insertion of the biceps femoris?
Head of the fibula (on anterior side moves from the right side)
65
What innervates biceps femoris?
Sciatic L5,S1,2: Tibial division - long head Common fibular division - short head
66
What is the action of biceps femoris?
Flexes and laterally rotates leg at knee joint Extends and laterally rotates thigh at hip joint
67
Which main nerve runs directly underneath the biceps femoris and semitendinosus muscles?
Sciatic nerve
68
What is the origin of semitendinosus?
Ischial tuberosity
69
What is the insertion of semitendinosus?
Medial surface of proximal tibia (on anterior side moves from the left side)
70
What innervates semitendinosus?
Tibial division of the sciatic nerve L5,S1,2
71
What is the action of semitendinosus?
Flexes and medially rotates leg at the knee joint Extends and medially rotates thigh at hip joint
72
What is the origin of the semimembranosus?
Ischial tuberosity
73
What is the insertion of the semimembranosus?
Medial and posterior surface of the medial tibial condyle (on anterior side from the left)
74
What innervates semimembranosus?
Tibial division of sciatic nerve L5,S1,2
75
What is the action of semimembranosus?
Flexes and medially rotates the leg and knee joint Extends and medially rotates thigh at the hip joint
76
Name the only part of the posterior compartment of the thigh that is not innervated by the tibial division of the sciatic nerve
Short head of the biceps femoris (common fibular division of sciatic nerve)
77
What is another name for the medial compartment of the thigh?
Hip adductors
78
How many muscles are part of the medial compartment of the thigh?
6
79
Name the 6 'hip adductors'
Adductor Magnus Adductor longus Adductor brevis Obturator externus Gracicilis Pectineus
80
What is the origin of gracilis?
Pubis and ischiopubic ramus
81
What is the insertion of gracilis?
Medial surface of the proximal tibia
82
What innervates gracilis?
Obturator nerve L2,3
83
What is the action of gracilis?
Adducts thigh at hip Flexes leg at the knee
84
What is the action of gracilis?
Adducts thigh at hip Flexes leg at the knee
85
What is the origin of adductor longus?
Anterior surface of pubis
86
What is the insertion of adductor longus?
Linea aspera on the middle third of the femur
87
What innervates the adductor longus?
Obturator nerve L2,3,4
88
What is the action of adductor longus?
Adducts and medially rotates the thigh at the hip joint
89
What is the origin of adductor brevis?
Body of the pubis and inferior pubis ramus
90
What is the insertion of adductor brevis?
Posterior femoral surface, upper linea aspera
91
What innervates the adductor brevis?
Obturator nerve L2,3
92
What is the action of adductor brevis?
Adducts the thigh at the hip joint
93
What is the origin on obturator externes?
External surface of obturator membrane and adjacent bone
94
What is the insertion of obturator externus?
The trochanteric fossa (in-between the trochanters)
95
What innervates the obturator externus?
Obturator externus L2,3,4
96
What is the action of obturator externus?
Laterally rotates the thigh at the hip
97
What is the origin of adductor magnus?
Ischiopubic ramus (adductor part) Ischial tuberosity (hamstring part)
98
What is the insertion of adductor magnus?
Posterior femur, upper linea aspera, medial supracondylar line (adductor part) Adductor tubercle (hamstring part)
99
What innervates adductor magnus?
Obturator nerve L2,3,4 (adductor part) Tibial division of sciatic nerve L2,3,4 (hamstring part)
100
What is the action of adductor magnus?
Adducts, extends and medially rotates thigh at the hip joint
101
What is the location of the adductor hiatus?
Between the adductor part of adductor magnus and hamstring part of the adductor magnus, infero-medial part of femur
102
What passes through the adductor hiatus?
Femoral artery Femoral vein
103
Name the 2 muscles in the medial compartment of thigh that are not innervated by the obturator nerve
Pectineus Hamstring part of adductor magnus
104
What is the area used to test for L1?
The inguinal ligament
105
What is the ares used to test for L2?
Lateral side of thigh
106
What dermatome does the lower medial side of thigh test?
L3
107
What dermatome does the medial side of the leg test?
L4
108
What dermatome does the medial side of digit 2 test?
L5
109
What area tests for S1?
sole of foot
110
What area tests for S2?
Back of the thigh
111
What dermatome does the skin of the gluteal fold test?
S3
112
What is the superior border of the femoral triangle?
Inguinal ligament
113
What is the medial border of the femoral triangle?
Medial border of adductor longus
114
What is the lateral border of the femoral triangle?
Medial border of sartorius
115
What is the floor of the femoral triangle?
Adductor longus, pectineus, iliopsoas
116
What is the roof of the femoral triangle?
Fascia lata
117
What connects the apex of the femoral triangle to the adductor canal?
Adductor canal
117
What connects the apex of the femoral triangle to the adductor canal?
Adductor canal
118
List the contents of the femoral triangle
Femoral nerve Femoral artery Femoral vein Lymphatics Fat
119
What vein the the great saphenous vein drain into?
Femoral vein
120
What structures in the femoral triangle are contained within the femoral sheath?
Femoral artery Femoral vein Femoral canal
121
What is the femoral canal?
A medial compartment of the femoral sheath containing lymphatics and fat
122
Where is the femoral ring located?
At the top of the femoral sheath
123
What is the lateral boundary of the femoral ring?
Femoral vein
124
What is the medial boundary of the femoral ring?
Lacunar ligament
125
What is the anterior boundary of the femoral ring?
Inguinal ligament
126
What is the posterior boundary of the femoral ring?
Pectineus
127
Through which opening does the great saphenous vein join the femoral vein?
Saphenous opening in the fascia late
128
The femoral ring is ______ to the femoral artery and vein
Medial
129
What is a femoral hernia?
Intestine passing into the femoral canal - may exit through the saphenous opening and become strangulated
130
In which sex are femoral hernias more common?
Females
131
Describe where the femoral pulse can be palpated?
Inferior to where the femoral artery passes across the inguinal ligament
132
Give an example of a surgery in which the femoral triangle is clinically relevant
Coronary angiography - femoral artery catheterised, can navigate all the way to coronary vessels from here
133
Name the major artery of the thigh
Femoral artery
134
Name the deep artery that branches from the femoral artery
Profunda femoris
135
Name 2 main branches of the profound femoris
Lateral circumflex arteries Medial circumflex arteries
136
Which compartment of the thigh does the lateral circumflex artery of the thigh supply?
Anterior compartment
137
What compartment of the thigh does the medial circumflex artery of the thigh supply?
Medial compartment
138
What branches of the profunda femoris supply the [psterior compartment of the thigh?
3-4 perforating branches that come from the profunda femoris
139
From which artery do the superior and inferior gluteal artery rise from?
Internal iliac artery
140
From artery does the femoral artery come from?
External iliac artery
141
What does the femoral artery become when it passes through the adductor hiatus?
Popliteal artery
142
What is the pet anserinus ligament?
Medial ligament of the knee that inserts on the medial part of the tibia
143
Name the 3 muscle tendons that form the pet anserinus
Sartorius Gracilis Semitendinosus
143
Name the 3 muscle tendons that form the pet anserinus
Sartorius Gracilis Semitendinosus
144
Which compartment of the thigh does the obturator artery supply?
Medial compartment
145
The obturator artery is a branch of the ________ _____ artery
Internal iliac
146
What does the obturator artery divide into after the acetabular branch comes off from it?
An anterior and posterior branches
147
Name the 4 main arteries part of the cruciate anastomoses of the hip
Inferior gluteal artery Lateral circumflex artery Medial circumflex artery First branch of perforating artery
148
What is the great saphenous vein a union of?
Union of the dorsal venous arch and dorsal vein of big toe
149
Which layer of the skin is the great saphenous vein contained in the thigh?
Superficial fascia pf the medial ankle, leg, thigh
150
The superficial lymph of the leg drains to the ___________ ________ nodes, then to the external iliac nodes
Superficial inguinal nodes
151
Where does the lower part of the small saphenous vein terminate?
Lateral side of the dorsal venous arch
152
Does the small saphenous vein penetrate the deep fascia or not?
Yes it does!
153
Which vein does the small saphenous vein join to before joining the femoral vein?
Popliteal vein
154
Which vein does the small saphenous vein join to before joining the femoral vein?
Popliteal vein
155
What feature of the perforating veins allows blood to only flow from the superficial to deep veins?
Valves
156
The deep lymph of the leg drains to the ____ ________ nodes then to the external iliac nodes
Deep inguinal nodes
157
Which nerve roots does the tendon jerk reflex test for?
Tendon jerk reflex