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PHARM 110 > Muscles crossing the Hip & Knee Joints > Flashcards

Muscles crossing the Hip & Knee Joints Flashcards

1
Q

Iliopsoas - iliacus (PM)

A

O: iliac fossa and crest
I: femur

PM for thigh flexion

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2
Q

Iliopsoas - psoas major (PM)

A

O: lumbar vertebrae and T12
I: femur

PM for thigh flexion

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3
Q

Sartorius

A

O: iliac spine
I: tibia

flexion, abduction, and lateral rotation

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4
Q

Psoas minor

A

O: lumbar vertebrae
I: pubic bone

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5
Q

Gluteus maximus

A

O: dorsal ilium, sacrum, and coccyx
I: femur and iliotibial tract

thigh extension (most effective when thigh is flexed), lateral rotation, and abduction

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6
Q

Gluteus medius

A

O: ilium
I: femur

thigh abduction and medial rotation

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7
Q

Gluteus minimus

A

O: ilium
I: femur

also thigh abduction and medial rotation

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8
Q

Piriformis

A

O: sacrum
I: femur

thigh lateral rotation and abduction

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9
Q

Obturator externus

A

O: margins of obturator foramen
I: femur

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10
Q

Obturator internus

A

O: obturator foramen
I: greater trochanter of femur

also lateral rotation and abduction

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11
Q

Gemellus superior and inferior

A

O: ischial spine (superior)
I: femur

also lateral rotation and abduction

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12
Q

Quadratus femoris

A

I: femur

thigh lateral rotation

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13
Q

Rectus femoris

quadriceps femoris

A

O: iliac spine
I: patella and tibial tuberosity

leg extension, and thigh flexion at hip

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14
Q

Vastus lateralis

quadriceps femoris

A

O: linea aspera on femur
I: also patella and tibial tuberosity

leg extension and stabilizer

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15
Q

Vastus medialis

quadriceps femoris

A

O: also linea aspera on femur
I: also patella and tibial tuberosity

leg extension

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16
Q

Vastus intermedius

quadriceps femoris

A

O: femur shaft
I: also patella and tibial tuberosity

leg extension

17
Q

Tensor fascia lata

A

O: iliac crest
I: iliotibial tract

stabilizer

18
Q

Biceps femoris

hamstrings - PM

A

O: ischial tuberosity (long head), and femur (short head)
I: fibula and tibia

PM for thigh extension and knee flexion

19
Q

Semitendinosus

hamstrings - PM

A

O: also ischial tuberosity
I: tibia

PM for thigh extension and knee flexion

20
Q

Semimembranosus

hamstrings - PM

A

O: also ischial tuberosity
I: also tibia

PM: thigh extension and knee flexion

21
Q

Adductor magnus

A

O: ischial and pubic rami
I: femur

adduction, medial rotation, and flexion of thigh -> anterior part
thigh extension -> posterior part

22
Q

Adductor longus

A

O: pubis
I: linea aspera on femur

also adduction, medial rotation, and flexion of thigh

23
Q

Adductor brevis

A

O: pubic ramus
I: also linea aspera on femur

also adduction, medial rotation, and flexion of thigh

24
Q

Pectineus

A

O: pubis
I: femur

also adduction, medial rotation, and flexion of thigh

25
Q

Gracilis

A

O: pubis
I: tibia

adduction, medial rotation, and flexion of LEG

PHARM 110 (11 decks)

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