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Anatomy > Thigh > Flashcards

Thigh Flashcards

1
Q

What are the anterior thigh muscles?

A 
7 Muscles
Pectineus
Sartorius 
Iliopsoas 
Rectus femoris
Vastus lateralis
Vastus medialis
Vastus intermedius
Last 4 make up the quadriceps femoris
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2
Q

What are the origin, insertion, function and innervation of the Pectineus?

A

Origin: Superior ramus of pubis
Insertion: pectineal line of femur
Function: adducts and flexes thigh
Innervation: femoral nerve

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3
Q

What are the origin, insertion, function and innervation of the Sartorius?

A

Origin:ASIS
Insertion:superior, medial surface of tibia (pes anserinus)
Function: Flexes, abducts, laterally rotates thigh at hip, flexes leg at knee
Innervation: Femoral nerve

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4
Q

What are the origin, insertion, function and innervation of the Iliopsoas?

A

Origin: Ilium + T12-L5
Insertion: lesser trochanter of femur
Function: Flexes thigh at hip, stabilize hip
Innervation: iliacus-femoral nerve, Psoas major- anterior rami of L1-L3

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5
Q

What are the origin, insertion, function and innervation of the Rectus femoris?

A

Origin: AIIS, Ilium
Insertion: Patella (quad tendon)
Action: extends leg at knee,, flexes thigh, stabilize hip

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6
Q

What are the origin, insertion, function and innervation of the Vastus lateralis?

A

Origin: Greater trochanter, lateral lip of linea aspera
Insertion: Patella (quad tendon)
Function: Extends leg at knee

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7
Q

What are the origin, insertion, function and innervation of the Vastus medialis?

A

Origin:Intertrochanteric line, medial lip of linea aspera
Insertion: Patella (Quad tendon)
Function: extends leg at knee

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8
Q

What are the origin, insertion, function and innervation of the Vastus intermedius?

A

Origin: shat of femur
Insertion: patella (quad tendon)
Function: extends leg at knee

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9
Q

What is quadriceps femoris paralysis?

A

Difficulty with knee extension
Push down on thigh to help while standing, walking
Cause: damage to muscles or femoral nerve
Treatments: therapy, surgery, hamstring transfer

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10
Q

What is the patellar reflex test?

A

Tap patellar ligament with hammer
Reflex is leg extension
Tests femoral nerve (L2-L4)
L4-afferent (sensory) at knee, sense stretch of ligament
L2-L4- efferent (motor) at quads, contract in response

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11
Q

What are the medial thing muscles?

A 
5 muscles
Major action: adducts thigh
Major innervation: obturator nerve
Adductor longus
Adductor brevis
Adductor Magnus
Gracilis
Obturator externus
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12
Q

What are the origin, insertion, function and innervation of the adductor longus?

A

Origin: Body of pubis
Insertion: linea aspera
Function: adducts thigh

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13
Q

What are the origin, insertion, function and innervation of the adductor brevis?

A

Origin: body, inferior ramus of pubis
Insertion: pectineal line, linea aspera
Function: adducts thigh, flexes

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14
Q

What are the origin, insertion, function and innervation of the adductor Magnus?

A 
Adductor part
Origin: Inferior pubic ramus, ischial ramus
Insertion: gluteal tuberosity, linea aspera, medial supracondylar line 
Function: adducts thigh 
Hamstring part
Origin: ischial tuberosity
Insertion: adductor tubercle of femur
Function: adducts, extend thigh
Innervation: tibial nerve
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15
Q

What are the origin, insertion, function and innervation of the Gracilis?

A

Origin: Body,inferior pubic ramus
Insertion: superior, medial surface of tibia (pes anserinus)
Function: adducts thigh, flexes leg, rotates leg medially

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16
Q

What are the origin, insertion, function and innervation of the Obturator externus?

A

Origin: margin of obturator foramen
Insertion: trochanteric fossa of femur (passes posterior to neck of femur)
Function: laterally rotates thigh

17
Q

What is a groin pull?

A

Cause: injury of adductor from quick movements or stretching/overuse
Treatment: Rest, ice, compression,(RIC), therapy, surgery

18
Q

What is an avulsion fracture?

A

Tendon pulls away small bone fragment
Due to quick movements
Treatment: RICE, surgery, therapy

19
Q

What are the borders of the femoral triangle?

A

Inguinal ligament-superiorly
Sartorius-Laterally
Adductor longus- medially
Iliopsoas + pectineus- floor

20
Q

What are the contents of the femoral triangle?

A 
Lateral to medial
Femoral nerve
Femoral artery
Femoral vein
Lymphatics
21
Q

What is the femoral sheath?

A

CT sheath within femoral triangle

Surrounds Femoral artery, femoral vein and lymphatics

22
Q

What is the femoral canal?

A

Located within femoral sheath
Surrounds lymphatics
Superior opening to femoral canal is the femoral ring

23
Q

What is a femoral hernia?

A

Section of intestine passing through femoral ring
Risk: strangulation of intestine, ischemia, tissue loss
treatment: Surgery, reinforce with mesh, therapy

24
Q

What are the borders of the adductor canal?

A

Sartorius
Vastus medialis
Adductor longus
Extends from bottom of femoral triangle to adductor hiatus

25
Q

What are the contents of the adductor canal?

A

Femoral artery
Femoral vein
Saphenous nerve
Nerve to Vastus medialis

26
Q

What is the adductor hiatus?

A

Opening at the bottom of adductor canal between adductor and hamstring parts of adductor Magnus
Contains femoral artery and vein

27
Q

What are the posterior thigh muscles?

A

3 muscles
Major action: knee flexion
Innervation: sciatic nerve

28
Q

What are the origin, insertion, function and innervation of the biceps femoris long head?

A

Origin: Ischial tuberosity
Insertion: head of fibula
Function: Hip extension, knee flexion, lateral rotation of leg when knee is flexed
Innervation: tibial nerve

29
Q

What are the origin, insertion, function and innervation of the Bicep femoris short head?

A

Origin: linea aspera
Insertion: head of fibula
Functions: Knee flexion, lateral rotation of leg when knee is flexed
Innervation: Common fibular nerve

30
Q

What are the origin, insertion actions and innervation of the semimembranosus?

A

Origin: Ischial tuberosity
Insertion: Medial condyle of tibia
Actions:Hip extension, knee flexion, medial rotation of leg when knee is flexed
Innervation: Tibial nerve

31
Q

What are the origin, insertion, actions and innervation of semitendinosus?

A

Origin:Ischial tuberosity
Insertion: Pes anserinus
Actions: Hip extension, knee flexion, medial rotation when knee is flexed
Innervation:Tibial nerve

32
Q

What are the muscles that insert on the Pes Anserinus?

A

Sartorius
Gracilis
Semitendinosus

Anatomy (20 decks)

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