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Lower Limb Anatomy > Muscles- THE MEDIAL COMPARTMENT OF THE THIGH > Flashcards

Muscles- THE MEDIAL COMPARTMENT OF THE THIGH Flashcards

1
Q

List the Muscles of the MEDIAL COMPARTMENT?

A
  1. ADDUCTOR LONGUS
  2. ADDUCTOR BREVIS
  3. ADDUCTOR MANGNUS
  4. GRACILIS
  5. OBTURATOR EXTERNUS
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2
Q

In general, what is the Main action of the muscles in the MEDIAL COMPARTMENT?

A

HIP ADDUCTION

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3
Q

What Nerve supplies the muscles of the Medial Compartment?

A

OBTURATOR NERVE (L2, L3, L4)

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4
Q

What ARTERY Supples the muscles of the Medial Compartment?

A

OBTURATOR ARTERY

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5
Q

Where does the OBTURATOR ARTERY come from?

A

Branch of the INTERNAL ILIAC ARTERY

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6
Q

What is the Largest Muscle of the Medial Compartment?

A

ADDUCTOR MAGNUS

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7
Q

What are the TWO COMPONENTS of the ADDUCTOR MAGNUS MUSCLE?

A

ADDUCTOR COMPONENT
HAMSTRING COMPONENT

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8
Q

What are the ACTIONS of the ADDUCTOR MAGNUS MUSCLE?

A

ADDUCTOR COMPONENT- Adduction and Flexion of the Thigh

HAMSTRING COMPONENT- Adduction and Extension of the Thigh

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9
Q

What is the Nerve supply to the ADDUCTOR MAGNUS MUSCLE?

A

ADDUCTOR COMPONENT- Obturator Nerve (L2, L3, L4)

HAMSTRING COMPONENT- Tibial Branch of the Sciatic Nerve (L4-S3)

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10
Q

What Muscle forms the MEDIAL BORDER of the FEMORAL TRIANGLE?

A

Adductor Longus Muscle

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11
Q

What are the Attachments of the Adductor Longus Muscle?

A

Proximal- PUBIS BONE

Distal- LINEA ASPERA OF FEMUR

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12
Q

ADDUCTOR LONGUS

A
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13
Q

What NERVE innervates the ADDUCTOR LONGUS?

A

Obturator Nerve

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14
Q

What are the Attachments of the ADDUCTOR BREVIS Muscle?

A

Proximal- Pubis and Inferior Pubic Ramus

Distal- Linea aspera on the Posterior femur

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15
Q

Linea Aspera of the Femur

A
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16
Q

What is the LINEA ASPERA of the Femur ?

A
  • Ridge on the Posterior Aspect of the Femur

-Serves as a site for attachment of the Adductor Muscles

17
Q

Which Muscle in the MEDIAL COMPARTMENT OF THE THIGH IS MOST SUPERFICIAL?

A

Gracilis

18
Q

What are the ATTACHMENTS of the GRACILIS?

A

PROXIMAL- Inferior Pubic Ramus and Ischium

DISTAL- Medial surface of the TIBIAL SHAFT via the Pesanserinus tendon

19
Q

GRACILIS

A
20
Q

What is the Pes anseurinus Tendon?

A

-CONJOINT TENDON of Three Muscles at the Anteriomedial surface at the Proximal tibia

21
Q

Which 3 muscles contribute to the Pes anseurinus Tendon?

A
  1. GRACILIS
  2. SARTORIUS
  3. SEMITENDINOSUS
22
Q

PES ANSEURINUS TENDON

A
23
Q

What are the attachments of the OBTURATOR EXTERNUS muscle?

A

Proximal- Membrane of the Obturator Foramen

Distal- Greater Trochanter

Lower Limb Anatomy (11 decks)

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