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Muscle Biology > middle compartments of thigh > Flashcards

middle compartments of thigh Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

anterior layer

A

pectineus
adductor longus
gracilis

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2
Q

middle layer

A

adductor brevis

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3
Q

posterior layer

A

adductor magnus

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4
Q

common innervation of these muscles and their exceptions

A

obturator nerve
pectineus - femoral nerve
hamstring of adductor magnus - tibial of femoral nerve

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5
Q

origin of pectineus muscle

A

superior ramus of the pubis

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6
Q

insertion of pectineus muscle

A

pectineal line of femur - linea aspera

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7
Q

action of pectineus

A 
Thigh flexion, 
thigh adduction, 
thigh external rotation, 
thigh internal rotation; 
pelvis stabilization
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8
Q

origin of adductor longus

A

Body of pubis, inferior to pubic crest and lateral to the pubic symphysis

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9
Q

insertion of adductor longus

A

Middle third of linea aspera of femur (medial lip)

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10
Q

action of adductor longus

A

Thigh flexion,
Thigh adduction,
Thigh external rotation;
Pelvis stabilization

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11
Q

origin of adductor brevis

A

Anterior body of pubis, inferior pubic ramus

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12
Q

insertion of adductor brevis

A

Linea aspera of femur (medial lip)

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13
Q

action of adductor brevis

A

thigh flexion
thigh adduction
thigh external rotation
pelvis stabilization

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14
Q

origin of adductor magnus

A

Pubis, tuberosity of the ischium

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15
Q

insertion of adductor magnus

A

Linea aspera and adductor tubercle of femur

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16
Q

action of adductor magnus

A

adductor part - Thigh flexion, thigh adduction, thigh external rotation
hamstring part - Thigh extension, thigh internal rotation

17
Q

origin of gracilis

A

inferior ischiopubic ramus, and body of pubis.

18
Q

insertion of gracilis

A

Medial surface of proximal tibia

19
Q

action of gracilis

A

Hip joint: Thigh flexion, thigh adduction;

Knee joint: leg flexion, leg internal rotation

Muscle Biology (25 decks)

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