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Block 3 > Muscle Attachments > Flashcards

Muscle Attachments Flashcards

(51 cards)

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1
Q

Obturator Internus

A

Origin: internal surface of ilium, ischium, pubis, and obturator membrane
Insertion: lateral greater trochanter of femur

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2
Q

Piriformis

A

Origin: pelvic surface of S2-S4, superior margin of greater sciatic notch, and sacrotuberous ligament
Insertion: lateral greater trochanter of femur

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3
Q

Coccygeus

A

Origin: ischial spine
Insertion: inferior end of sacrum and coccyx

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4
Q

Levator ani

A

Origin: body of pubis, tendinous arch of obturator fascia, ischial spine
Insertion: perineal body, coccyx, anococcygeal ligament, walls of prostate/vagina, rectum, and anal canal

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5
Q

iliopsoas

A

Origin: iliac fossa, transverse processes and bodies of T12-L5
Insertion: Lesser trochanter

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6
Q

Sartorius

A

Origin: anterior superior iliac spine
Insertion: proximal portion of medial tibia

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7
Q

Tensor fascia lata

A

Origin: anterior superior iliac spine
Insertion: iliotibial tract/band

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8
Q

Rectus femoris

A

Origin: anterior inferior iliac spine
Insertion: tibial tuberosity (patellar ligament)

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9
Q

Vastus lateralis

A

Origin: greater trochanter and lateral lip of linea aspera
Insertion: tibial tuberosity (patellar tendon)

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10
Q

Vastus medialis

A

Origin: intertrochanteric line and medial lip of linea aspera
Insertion: tibial tuberosity (patellar ligament)

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11
Q

Vastus intermedius

A

Origin: anterior and lateral body of femur
Insertion: tibial tuberosity (patellar tendon)

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12
Q

Pectineus

A

Origin: superior ramus of pubis
Insertion: pectineal line of femur

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13
Q

Gracilis

A

Origin: body of inferior ramus of pubis
Insertion: superior part of medial surface of tibia

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14
Q

Adductor longus

A

Origin: body of pubis inferior to pubic crest
Insertion: middle third of linea aspera

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15
Q

Adductor brevis

A

Origin: body of inferior ramus of pubis
Insertion: pectineal line and proximal part of linea aspera

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16
Q

Adductor magnus

A

Origin: adductor: inferior ramus of pubis, ramus of ischium
Hamstring: ischial tuberosity
Insertion: adductor: gluteal tuberosity, linea aspera, medial supracondylar line
Hamstring: adductor tubercle of femur

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17
Q

Obturator externus

A

Origin: margins of obturator foramen and obturator membrane
Insertion: trochanteric fossa

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18
Q

Gluteus maximus

A

Origin: ilium, dorsal sacrum and coccyx, sacrotuberous ligament
Insertion: IT band, gluteal tuberosity

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19
Q

Gluteus medius

A

Origin: external ilium between anterior and posterior gluteal lines, gluteal fascia
Insertion: lateral greater trochanter

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20
Q

Gluteus minimus

A

Origin: external ilium between anterior and inferior gluteal lines
Insertion: anterior greater trochanter

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21
Q

Quadratus femoris

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A

Origin: ischial tuberosity
Insertion: quadrate tubercle

22
Q

Superior gemellus

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A

Origin: ischial spine
Insertion: medial greater trochanter

23
Q

Inferior gemellus

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A

Origin: ischial tuberosity
Insertion: medial greater trochanter

24
Q

Biceps femoris

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A

Origin: ischial tuberosity (long), lateral lip of linea aspera, lateral supracondylar ridge (short)
Insertion: head of fibula

25
Semitendonosus
Origin: ischial tuberosity Insertion: medial proximal tibia
26
Semimembranosus
Origin: ischial tuberosity Insertion: posterior aspect of tibial medial condyle
27
Tibialis anterior
Origin: lateral condyle and superior half of lateral surface of tibia, interosseous membrane Insertion: medial and inferior surfaces of medial cuneiform and base of 1st metatarsal
28
Extensor digitorum longus
Origin: lateral condyle of the tibia and proximal 3/4ths of medial surface of fibula, interosseous membrane Insertion: middle and distal phalanges of lateral four digits
29
Extensor hallicus longus
Origin: middle anterior surface of fibula and interosseous membrane Insertion: dorsal base of distal phalanx of hallux
30
Fibularis tertius
Origin: inferior third of anterior surface of fibula and interosseous membrane Insertion: dorsum of base of 5th metatarsal
31
Fibularis longus
Origin: head and superior 2/3 of lateral fibula Insertion: base of 1st metatarsal and medial cuneiform
32
Fibularis brevis
Origin: inferior 2/3 of lateral fibula Insertion: tuberosity on lateral base of 5th metatarsal
33
Gastrocnemius
Origin: lateral: lateral femoral condyle medial: popliteal surface of femur superior to medial condyle Insertion: calcaneus (calcaneal tendon)
34
Soleus
Origin: head of fibula, superior 1/4 of posterior fibula, soleal line and medial border of tibia Insertion: calcaneus via calcaneal tendon
35
Plantaris
Origin: lateral supracondylar ridge Insertion: calcaneus (calcaneal tendon)
36
Flexor digitorum longus
Origin: posteromedial tibial, inferior interosseous membrane Insertion: base of distal phalanges of digits 2-5
37
Popliteus
Origin: lateral condyle of femur and meniscus Insertion: posterior tibia
38
Tibialis posterior
Origin: interosseous membrane, posterior tibia and fibula Insertion: navicular, cuneiform, cuboid, and bases of metatarsals 2-4
39
Flexor hallucis longus
Origin: inferior 2/3 of posterior fibula, inferior interosseous membrane Insertion: base of distal phalanx of hallux
40
Extensor digitorum brevis
Origin: superolateral aspect of calcaneus Insertion: middle phalanx of digits 2-4
41
Extensor hallucis brevis
Origin: superolateral aspect of calcaneus Insertion: base of proximal phalanx of hallux
42
Abductor hallucis
Origin: calcaneus and plantar fascia Insertion: medial side of proximal phalanx of hallux
43
Flexor digitorum brevis
Origin: calcaneus and deep surface of plantar aponeurosis Insertion: middle phalanx of digits 2-5
44
Abductor digiti minimi
Origin: calcaneus and plantar fascia Insertion: lateral side of base of proximal phalanx of digit 5
45
Lumbricals
Origin: tendons of flexor digitorum longus Insertion: medial side of dorsal digital expansion hoods of digits 2-5
46
Quadratus plantae
Origin: medial and lateral sides of calcaneus Insertion: tendon of flexor digitorum longus
47
Flexor hallucis brevis
Origin: cuboid and lateral cuneiform Insertion: medial and lateral sides of base of proximal phalanx of hallux
48
Adductor hallucis
Origin: oblique: bases of metatarsals 2-4 transverse: metatarsophalangeal joint capsules Insertion: lateral side of base of proximal phalanx of hallux
49
Adductor digiti minimi
Origin: base of 5th metatarsal Insertion: lateral side of base of proximal phalanx of digit 5
50
Plantar interossei
Origin: base and medial side of metatarsals 3-5 Insertion: medial side of the base of proximal phalanx of digits 3-5
51
Dorsal interossei
Origin: metatarsals 1-5 Insertion: 1st: medial side of proximal phalanx of digit 2 2-4th: lateral side of proximal phalanges of digits 2-4

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