Gluteal Region And Thigh Flashcards

1
Q

what does the iliofemoral ligament prevent?

A

prevents the pelvis from tilting posteriorly when standing upright

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2
Q

What does the pubofemoral ligament prevent?

A

Limits abduction and lateral rotation

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3
Q

What does the ischiofemoral ligament prevent?

A

Limits medial rotation

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4
Q

What is the nerve supply of the anterior compartment of the thigh?

A

Femoral nerve

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5
Q

What are the muscles of the anterior compartment of the thigh?

A

Sartorius muscle
Quadriceps femoris
Iliopsoas

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6
Q

What is the Origin, insertion, and action of the sartorius muscle?

A

O: ASIS
I: medial side of proximal tibia
A @ hip: flexion, abduction, lateral rotation
A @ knee joint: Flexion

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7
Q

What muscles make up the quadriceps femoris?

A

Rectus femoris
Vastus lateralis
vastus intermedius
Vastus medial is

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8
Q

What is the origin, insertion, and action of the quadriceps femoris?

A

O: rectus femoris = AIIS, vastus muscles=femur
I: Tibial tuberosity
A @ hip: flexion
A @ knee: extension

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9
Q

What do the structures of the anterior thigh compartment pass under?

A

The inguinal ligament

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10
Q

What creates the Iliopsoas muscle?

A

Iliacus+Psoas major muscle

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11
Q

What is the origin, action, and insertion of the iliopsoas muscle?

A

O: lumbar vertebrae+Iliac Fossa
I: Lesser trochanter
A: thigh flexion

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12
Q

What is the nerve supply of the medial compartment of the thigh?

A

Obturator nerve
*exeception pectineus muscle (Femoral nerve)

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13
Q

What muscles make up the medial compartment of the thigh?

A

Pectineus
Adductor longus
Adductor brevis
Adductor magnus
Gracilis

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14
Q

What is the origin, insertion, and action of the pectineus and adductor muscle?

A

O: pubic bone
I: medial femur
A: Thigh adduction

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15
Q

What is the origin, insertion, and action of the gracilis muscle?

A

O: pubic bone
I: medial tibia
A @ hip: Thigh adduction and flexion
A @ knee: Leg flexion

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16
Q

What are the boundaries of the femoral triangle?

A

Inguinal ligament
medial border of sartorius
Medial border of adductor longus

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17
Q

What makes the floor of the femoral triangle?

A

Iliopsoas
Pectineus
Adductor longus

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18
Q

What nerves and arteries are within the femoral triangle?

A

Femoral nerve
Femoral artery
Femoral vein
*Only covered by skin, superficial fascia, and fascia lata

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19
Q

What does the femoral sheath contain?

A

Femoral artery
Femoral vein
lymphatics

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20
Q

Where does the femoral nerve originate from?

A

Anterior rami of L2-L4 spinal nerves

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21
Q

How does the femoral nerve enter the thigh?

A

Passes deep from Psoas major, runs lateral to it, then enters thigh by passing deep to the inguinal ligament

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22
Q

What does the deep tendon reflex test?

A

Spinal cord level (L4)

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23
Q

What is the dermatome of the patella?

A

L4

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24
Q

When does the external iliac artery and vein get re-named?

A

Re-named once they pass deep to the inguinal ligament
*Now the Femoral artery and vein

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25
Where does the lateral circumflex femoral artery pass between?
The rectus femoris and Vastus muscles
26
Where does the medial circumflex femoral artery passes between?
Passes posteriorly, between Iliopsoas and pectineus muscle
27
What does the adductor canal contain?
Femoral artery, vein, and nerve
28
What does the adductor hiatus contain?
Femoral artery and vein
29
When are the femoral artery and vein renamed?
Once they exit the adductor canal via the adductor hiatus *Re-named popliteal artery and politeal vein
30
Where does the obturator nerve originate from?
Anterior rami of L2-L4 spinal nerves
31
Where does the obturator nerve run through?
Medial to Psoas major, across pelvic cavity, passes through obturator foramen
32
When will the obturator nerve spilts into its anterior and posterior branches?
When it passes deep to the pectineus muscle
33
What does the anterior branch of the obturator nerve pass behind and in front of?
Behind: Pectineus Front: Adductor brevis, adductor magnus
34
What does the posterior branch of the obturator nerve pass behind and in front of?
Behind: Pectineus, adductor brevis Front: adductor magnus
35
What can be used for a CABG?
Great saphenous vein
36
What contributes to L2 and L3 dermatomes?
Lateral cutaneous nerve of the thigh -supplies skin on lateral side of thigh
37
How was the lateral cutaneous nerve of the thigh formed?
From L2 and L3 anterior rami
38
What is meralgia paresthetica?
Pain, tingling, burning on the lateral thigh *Compression of the lateral femoral cutaneous nerve
39
What Innervated the skin superficial to the femoral triangle, anterior scrotum/Labia Majora
Genitofemoral nerve *on anterior side of the Psoas major
40
What is the motor supply of the cremaster muscle?
genital branch of the genitofemoral nerve
41
What is the cremasteric reflex?
1. reflex of the L1 spinal cord causes contraction of the cremaster muscle 2. Causes retraction off the spermatic cord and elevation of the testes
42
What is the afferents (sensory) part of the cremasteric reflex?
Ilioinguinal nerve
43
What is the nerve supply of the gluteal region?
Superior and inferior gluteal nerve
44
How is the tibia positioned?
Anteromedial
45
How is the fibula positioned?
Posterolateral
46
What are the muscles of the gluteal region?
Gluteus Maximus Gluteus medius Gluteus minimus Piriformis Superior gemellus Obturator internus Inferior gemellus Quadratus femoris Tensor Fascia latae
47
What muscles are innervated by the superior gluteal nerve?
Gluteus medius/minimus Tensor Fasciae Latae
48
What muscle is innervated by the inferior gluteal nerve?
Gluteus Maximus
49
What is the origin and insertions of the gluteus Maximus?
O: Sacrum and Ilium I: Gluteal tuberosity and lateral condole of the tibia
50
Where is the trochanteric bursa located?
Between gluteus maxims and greater trochanter
51
What is trochanteric Bursitis?
Inflammation of the trochanteric bursa *Tenderness over the greater trochanter can radiate along the iliotibial band
52
What is the origin, insertion, and action of the gluteus medius/ minimus?
O: Ilium I: greater trochanter A: Thigh (hip joint) abduction
53
What is the origin, insertion, and action of the piriformis?
O: sacrum I: Greater trochanter A: Lateral rotation of thigh
54
What is the blood supply of the gluteus Maximus?
Superior gluteal artery Inferior gluteal artery
55
What is the blood supply of the gluteus medius and minimus muscle?
Superior gluteal artery
56
What is the trendelenburg sign?
If the superior gluteal nerve is injured, the contralateral side hip will drop when the limb is lifted
57
What supports our weight while sitting?
Ischial tuberosity
58
What is the action of the superior gemellus, oburator internnus, inferior gemellus, quadratus femoris muscles?
Lateral rotation of the thigh
59
What is the Insertion of the superior gemellus, oburator internnus, inferior gemellus, quadratus femoris muscles?
Greater trochanter
60
What is the origin of the superior gemellus, oburator internnus, inferior gemellus, quadratus femoris muscles?
1. SG=Ischial spine 2. OI=Obturator membrane 3. IG= Ischial tuberosity 4. QF= Ischial tuberosity
61
What is the origin, insertion, action of the tensor fasciae latae muscle?
O: ASIS I: Iliotibial band A: stabilizes IT band, thigh abduction and flexion
62
What is the nerve supply of the tensor fasciae latae muscle?
Superior gluteal nerve
63
What muscles comprise the posterior compartment of the thigh?
1. Semitendinosus 2. Semimembranous 3. Biceps femoris
64
What does the lumbosacral trunk contain?
Axons from anterior rami of L4 and L5 spinal nerves
65
What forms the sciatic nerve?
Anterior rami of L4-S3
66
What does the sciatic nerve pass through?
Exits pelvic cavity via the greater sciatic foramen
67
What are the two division of the sciatic nerve?
1. Tibial Division 2. Common Fibular Division
68
Where does the sciatic nerve split?
Superior to the popliteal fossa *Tibial nerve-midline *Common fibular nerve-inferolaterally
69
What is the origin, insertion, and action of the semitendinosus and semimembranosus muscle?
O: Ischial tuberosity I: Medial condyle of the tibia A @ knee: leg flexion A @ hip: Thigh extension
70
What is the nerve supply of the semitendinosus and semimembranosus muscle?
Tibial Nerve
71
What is the origin, insertion, and action of the biceps femoris?
O Long: Ischial tuberosity O Short: femur Insertion: head of fibula A @ hip: Thigh Extension (long) A @ knee: leg flexion
72
What is the nerve supply of the bicep femoris?
Long head: tibial nerve Short head: common fibular nerve
73
What is the Pes anserinus?
Common insertion of the sartorius, gracilis, and semitendinosus muscle into the anteromedial tibia
74
What makes up the coaxial bone?
Ilium+Ischium+Pubic Bone
75
What is the socket for the femoral head called?
Acetabulum
76
Where would a femoral hernia be located
medial to the femoral vein, below the inguinal ligament
77
Where does the adductor canal run from?
Apex of femoral triangle to adductor hiatus
78
What is the adductor hiatus?
Opening between two parts of the adductor magnus muscle
79
Where does the great saphenous vein drain to
Femoral vein
80
Where does the anterior cutaneous nerve of the thigh come from?
The femoral nerve
81
Where does the medial cutaneous nerve of the thigh come from?
Femoral nerve
82
What is the action of the iliotibial band
Thigh extension
83
What emerges superior to the piriformis muscle?
Superior gluteal nerve, artery, and vein
84
What emerges inferior to the piriformis muscle
Inferior gluteal nerve, artery and vein
85
What passes between the gluteus medius and minimus?
Superior gluteal artery and nerve
86
What is the insertion and action of the adductor part of adductor magnus?
I: medial femur A: adducts the thigh
87
What is the hamstring action and insertion of the adductor magnus?
Insertion: adductor tubercle Action: extends the thigh (cannot flex the leg)
88
Where can the femoral pulse be felt?
Within the femoral triangle -just inferior to the inguinal ligament