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Anatomy: DPT 620 > Thigh > Flashcards

Thigh Flashcards

1
Q

Sartorius

A

O: Anterior superior iliac spine
I: Superior aspect of the medial surface of the tibial shaft near the tibial tuberosity
Fx: Flexes and laterally rotates the hip joint and flexes the knee
nn: Femoral nerve (L2, L3, L4)

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2
Q

Name the boundaries of the femoral triangle

A

Inguinal ligament
Sartorius muscle
Adductor longus muscle

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3
Q

Where is the adductor canal located?

A

is an aponeurotic tunnel in the middle third of the thigh, extending from the apex of the femoral triangle to the opening in the adductor magnus, the adductor hiatus.

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4
Q

What structures run through the adductor canal?

A

Femoral artery, vein
saphenous N
N to Vastus medialis

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5
Q

Name the structures that run through the femoral canal

A 
- NAVEL
Femoral Nerve
Femoral Artery
Femoral Vein
(Empty Space)
Lymphatics
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6
Q

What spinal level is the obturator nerve associated with?

A

L2-L4

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7
Q

What types of muscles does the obturator nerve innervate?

A

medial compartment musclesv

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8
Q

List the muscles that the obturator nerve innervates

A 
Posterior Branch
Obturator externus
Adductor brevis
Adductor portion of adductor magnus
Anterior Branch
Adductor longus
Gracilus
Adductor brevis
Cutaneous branches to skin on medial thigh
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9
Q

what spinal level is the sciatic nerve associate with?

A

L4-S3

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10
Q

What are the two branches of the sciatic nerve?

A

Tibial Nerve

Common Fibular Nerve

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11
Q

List the muscles that the common fibular nerve innervates

A

Biceps femoris (short head)

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12
Q

List the muscles that the Tibial nerve innervates

A

Biceps femoris (long head)
Semitendinosus
Semimembranosus

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13
Q

Pectineus

A

O: Pecten pubis and pectineal surface of the pubis
I: Pectineal line of femur
Fx: Adducts the thigh and flexes the thigh, helps with medial rotation
nn: Femoral nerve

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14
Q

Adductor Brevis

A

O: Anterior surface of inferior pubic ramus
I: Pectineal line of femur
Proximal part of medial lip of linea aspera
Fx: Adducts
flexes the thigh (minor)
nn: Anterior or posterior division of obturator nerve (L2, L3, L4)

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15
Q

Adductor Longus

A

O: Anterior surface of inferior pubic ramus, just lateral to pubic symphysis
I: Middle third of linea aspera
Fx: Adducts the thigh
nn: Anterior division of obturator nerve (L2, L3, L4)

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16
Q

Adductor Magnus

A

O:Inferior pubic ramus, ischial ramus (adductor part), and inferolateral area of ischial tuberosity (hamstring part)
I: Gluteal tuberosity of femur, medial lip of linea aspera, medial supracondylar ridge (adductor part) and adductor tubercle (hamstring part)
Fx: Powerful thigh adductor; superior horizontal fibers also help flex the thigh, while vertical- hamstring- fibers help extend the thigh
nn: Posterior division of obturator nerve innervates most of the adductor magnus; vertical or hamstring portion innervated by tibial nerve (L2, L3, L4)

17
Q

the adductor magnus muscle has a tendinous opening known as what? what structures pass through this structure?

A

adductor hiatus, Femoral artery & vein

18
Q

Gracilis

A

O: Body of inferior ramus of pubis
I: superior part of Medial surface of tibial shaft, just posterior to sartorius
Fx: adducts the thigh, flexes leg, and helps to medially rotate the tibia on the femur
nn: Anterior division of obturator nerve (L2, L3)

19
Q

Tensor Fascia Lata

A

O: ASIS, outer lip of anterior iliac crest
I: Iliotibial band (lateral condyle of tibia)
Fx: Helps stabilize and steady the hip and knee joints by putting tension on the iliotibial band of fascia
nn: Superior gluteal nerve (L4, L5, S1)

20
Q

Rectus Femoris

A

O: AIIS; ilium just above acetabulum
I:Base of patella (forms the more central portion of the quadriceps femoris tendon)
Fx: extends the knee
nn: muscular branches of femoral nerve (L2, L3, L4)

21
Q

What two muscles of the medial thigh are not innervated by the nerve supplying the medial thigh (obturato nn.)

A

Pectineus

Adductor Magnus

22
Q

Vastus Intermedius

A

O: Superior 2/3 of anterior and lateral surfaces of femur; also from lateral intermuscular septum of thigh
I: Lateral border of patella; also forms the deep portion of the quadriceps tendon
Fx: Extends the thigh
nn: Muscular branches of femoral nerve (L2, L3, L4)

23
Q

Vastus Medialis “VMO”

A

O: Inferior portion of intertrochanteric line, spiral line, medial lip of linea aspera, superior part of medial supracondylar ridge of femur, and medial intermuscular septum
I: Medial base and border of patella; also forms the medial patellar retinaculum and medial side of quadriceps femoris tendon
Fx: Extends the knee
nn: Muscular branches of femoral nerve (L2, L3, L4)

24
Q

Vastus Lateralis

A

O: Greater trochanter, wraps around to the superior portion of lateral lip of linea aspera
I:Lateral base and border of patella; also forms the lateral patellar retinaculum and lateral side of quadriceps femoris tendon
Fx: Extends the knee
nn: Muscular branches of femoral nerve (L2, L3, L4)

25
Q

Biceps Femoris (Long Head)

A

O: ischial tuberosity
I: Primarily on fibular head; also on lateral collateral ligament and lateral tibial condyle
Fx: Flexes the knee, and also rotates the tibia laterally; long head also extends the hip joint
nn: Tibial nerve (L5, S1, S2)

26
Q

Biceps Femoris (Short Head)

A

O: Lateral lip of linea aspera, lateral supracondylar ridge of femur
I: Primarily on fibular head; also on lateral collateral ligament and lateral tibial condyle
Fx: Flexes the knee, and also rotates the tibia laterally
nn: Common peroneal nerve (L5, S1, S2)

27
Q

Semimembranosus

A

O: Superior lateral quadrant of the ischial tuberosity
I: Posterior surface of the medial tibial condyle
Fx: Extends the thigh, flexes the knee, and also rotates the tibia medially, especially when the knee is flexed
nn: Tibial nerve (L5, S1, S2

28
Q

Semitendinosus

A

O: Superior medial quadrant of the ischial tuberosity
I: Superior aspect of medial portion of tibial shaft
Fx: Extends the thigh and flexes the knee, and also rotates the tibia medially, especially when the knee is flexed
nn: Tibial nerve (L5, S1, S2

Anatomy: DPT 620 (12 decks)

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