pelvis & thigh Flashcards

1
Q

Quadriceps femoris

A

O: rectus femoris: anterior inferior iliac spine (AIIS)
Vastus medialis (teardrop): medial lip of linea aspera
vastus lateralis: Lateral lip of linea aspera, gluteal tuberosity and greater trochanter
vastus intermedius: anterior and lateral shaft of the femur
I: tibial tuberosity (via the patella and patellar ligament
F:
Art coxea: flexion
Art genus: extension

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2
Q

Hamstrings

A

Biceps femoris
O: long head: ischial tuberosity
O: short head: lateral lip of linea aspera
I: head of the fibula
F: Flex the knee (tibiofemoral joint)
Laterally rotate, external rotation of the flexed knee (T/F joint)
Extend the hip ( coxal joint)
Assist to laterally rotate the hip (coxal jont)
Tilt the pelvis posteriorly

Semitendinosous
O: Ischial tuberosity
I: proximal medial shaft of the tibia at pes anserinus tendon
F: Flex the knee (tibiofemoral joint)
Medially rotate the flexed knee (T/F joint)
Extend the hip (coxal joint)
Assist to medially rotate the hip (coxal joint)
Tilt the pelvis posteriorly

semimembranosus
O: ischial tuberosity
I: posterior aspect of medial condyle of tibia
F: Flex the knee (tibiofemoral joint)
Medially rotate the flexed knee (T/F joint)
Extend the hip (coxal joint)
Assist to medially rotate the hip (coxal joint)
Tilt the pelvis posteriorly

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3
Q

Gluteus maximus

A

O: Coccyx, edge of sacrum, posterior iliac crest, sacrotuberous and sacroiliac ligaments
I: Iliotibial tract (upper fibers) and gluteal tuberosity (lower fibers)
F:
All fibers:
Extend the hip (coxal joint)
Laterally rotate the hip (coxal oint)
abduct the hip (coxal joint)

Lower fibers:
Adduct the hip (coxal joint)

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4
Q

Gluteus medius

A

O: gluteul surface of ilium, between posterior and anterior gluteal lines, just below the iliact crest
I: lateral aspect of trochanter major
F:
All fibers: abduct the hip (coxal joint)
Anterior fibers:
Flex the hip (coxal joint)
medially rotate the hip (coxal joint)
Posterior fibers:
Extend the hip (coxal joint)
laterally rotate the hip (coxal joint)**

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5
Q

Adductor magnus

A

O: inferior ramus of the pubis, ramus of ischium and ischial tuberosity
I: medial lip of linea aspera and adductor tubercle
F: Adduct the hip, medially rotate the hip and assist to flex the hip,
Posterior fibers: extend the hip

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5
Q

Gluteus minimus

A

O: gluteul surface of the ilium between the anterior and inferior gluteal lines
I: anterior aspect of greater trochanter
F: Abduct the hip (coxal joint
Medially rotate the hip (coxal joint)
Flex the hip (coxal joint)

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6
Q

adductor longus

A

O: pubic tubercle
I: Medial lip of linea aspera
F: Adduct the hip, medially rotate the hip and assist to flex the hip

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7
Q

adductor brevis

A

O: inferior ramus of pubis
I: pectineal line and medial lip of linea aspera
F: Adduct the hip, medially rotate the hip and assist to flex the hip

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8
Q

pectineus

A

O: superior ramus of pubis
I: pectineal line of femur
F: Adduct the hip, medially rotate the hip and assist to flex the hip

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9
Q

Gracilis

A

O: inferior ramus of pubis
I: proximal, medial shaft of tibia at pes anserinus tendon
F: Adduct the hip, medially rotate the hip and knee, flex the knee

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