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Muscles > Lower Extremity Muscles Origins + Insertions > Flashcards

Lower Extremity Muscles Origins + Insertions Flashcards

1
Q

Pectineus

A

Pecten pubis –> Pectineal line of femur

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2
Q

Adductor Brevis

A

Anterior surface of inferior pubic ramus –> Pectineal line and superior part of medial lip of linea aspera

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3
Q

Adductor Longus

A

Anterior surface of body of pubis –> Middle third of linea aspera

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4
Q

Adductor Magnus

A

Inferior pubic ramus, ischial ramus, and inferolateral area of ischial tuberosity–>Gluteal tuberosity of femur, medial lip of linea aspera, medial supracondylar ridge, adductor tubercle

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5
Q

Gracilis

A

Inferior margin of pubic symphysis, inferior ramus, inferior ramus of pubis, adjacent ramus of ischium –> Medial surface of tibial shaft

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6
Q

Sartorius

A

ASIS –> Superior aspect of the medial surface of the tibial shaft near the tibial tuberosity

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7
Q

Tensor Fascia Lata

A

ASIS, Outer lip of anterior iliac crest, fasica lata –> Iliotibial band

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8
Q

Rectus Femoris

A

Straight head: AIIS, Reflected head: groove aboev acetablum –> Base of patella and forms central portion of quadriceps femoris tendon

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9
Q

Vastus Intermedius

A

Superior 2/3 of anterior and lateral surfaces of femur, lateral intermuscular septum of thigh –> Lateral border of patella and forms deep portion of quadriceps tendon

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10
Q

Vastus Medialis

A

Infeiror intertrochanteric line, spiral line, medial lip of linea aspera, superior supracondylar ridge or femur, medial intermuscular septum –> Latearl base and border of patella and forms lateral patellar retinaculum and lateral side of quadriceps femoris tendon

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11
Q

Vastus Lateralis

A

Superior intertrochanteric line, anterior and inferior greater trochanter, superior portion of lateral lip of linea aspera, lateral gluteal tuberosity of femur –> Lateral base and border of patella and forms lateral patellar retinaculum and lateral portion of quadriceps femoris tendon

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12
Q

Hamstrings: Biceps Femoris Long Head

A

Posterior portion of ichial tuberosity (shares tendon with semitendonosus) –> Primarily fibular head, LCL and lateral tibial condyle

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13
Q

Hamstrings: Biceps Femoris Short Head

A

Lateral lip of linea aspera, lateral supradonylar ridge of femur, lateral intermuscular septum of thigh–> Primary fibular head, LCL and lateral tibial condyle

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14
Q

Hamstrings: Semimembranosus

A

Superior lateral ischial tuberosity –> Posterior medial tibial condyle

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15
Q

Hamstrings: Semitendonosus

A

Superior medial posterior ischial tiberosity (shares tendon with biceps femoris) –> Superior medial tibial shaft

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16
Q

Tibialis Anterior

A

Lateral condyle of tibia, proximal 1/2-2/3 of lateral surface of tibial shaft, interosseous membrane, deep surface of fasica cruris –> Medial and plantar surfaces of 1st cuneiform and on base of 1st metatarsal

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17
Q

Extensor Digitorum Longus

A

Lateral condyle of fibula, proximal 2/3-3/4 of medial fibular shaft surface, upper interosseous membrane, fasica cruris, and anterior intermuscular septum –> Splits into 4 tendon slips after extensor retinaculum which insert on dorsum of middle and distal phalanges as part of extensor expansion complex

18
Q

Extensor Hallucis Longus

A

Anterior surface of the fibula and the adjacent interosseous membrane–>Base of dorsal center of distal phalanx of great toe

19
Q

Gastrocnemius

A

Medial head from posterior nonarticular surface of medial femoral condyle, lateral head from lateral surface of femoral lateral condyle –> 2 heads unite into a broad aponeurosis, which eventually unites with the deep tendon of the soleus to form the achilles tendon, inserting on the middle 1/3 of the posterior calcaneal surface

20
Q

Soleus

A

Posterior fibular head, upper 1/4-1/3 of posterior surface of tendinous arch spanning two site of bone origin–>Eventually unites with the gastrocnemius aoneurosis to form the achilles tendon, inserting on the middle 1/3 of the posterior calcaneal surface

21
Q

Plantaris

A

Inferior aspect of lateral supracondylar line of distal femur –> Middle 1/3 of posterior calcaneal surface, just medial to Achilles tendon

22
Q

Tibialis Posterior

A

Posterior interosseous membrane, superior 2/3 of medial posterior fibula, superior posterior tibia, intermuscular septum between muscle of posterior compartment and deep transverse septum –> Splits into 2 slips after passing inferior to plantar calcaneonavicular ligament, superficial slip inserts on the tuberosity of the navicular bone and sometimes medial cuneiform, deeper slip divides again into slips inserting on plantar surfaces of metatarsals 2-4 and second cuneiform

23
Q

Flexor Digitorum Longus

A

Posterior tibial surface distal to popliteal line –> splits into 4 slips after passing through medial intermuscular septum of plantar surface of foot, these slips then insert on plantar surface of basese of 2nd-5th distal phalanges

24
Q

Flexor Hallucis Longus

A

Inferior 2/3 of posterior surface of fibula, lower interosseous membrane–>Plantar surface of base of digital phalanx of great toe

25
Q

Popliteus

A

Anterior popliteal groove on lateral femoral condyle –> Posterior surface of tibia in a fan-like fashion, superior to popliteal line

26
Q

Peroneus Tertius

A

Medial fibular shaft surface and anterior intermuscular septum –> Dosral surface of base of 5th metatarsal

27
Q

Peroneus Brevis

A

Inferior 2/3 of lateral fibular surface and anterior and posterior intermuscular septum –> Lateral surface of styloid process of 5th metatarsal base

28
Q

Peroneus Longus

A

Head of fibula, upper 1/2-2/3 of lateral fibular shaft surface, anterior and posterior intermuscular septum –> Plantar posterolateral aspect of medial cuneiform and lateral side of 1st metatarsal base

29
Q

Extensor Digitorum Brevis

A

Calcaneous –> Extensor Tendonosus of digits 2-4

30
Q

Extensor Hallucis Brevis

A

Calcaneous –> Dorsal aspect of base of digit 1

31
Q

Abductor Hallucis

A

Medial tubercle of calcaneal tuberosity –> Medial side of baseof proximal phalanx of digit one

32
Q

Flexor Digitorum Brevis

A

Medial tubercle of the calcaneal tuberosity –> Both sides of middle phalanges of digits 2-5

33
Q

Abductor Digiti Minimi

A

Medial and lateral tubercles of calcaneal tuberosity –> Lateral side of base of proximal phalanx of 5th digit

34
Q

Quadratus Plantae

A

Medial surface and lateral margin of plantar surface of calcaneous –> Posterolateral margin of tendon of flexor digitorum longus

35
Q

Lumbricals

A

Tendons of flexor digitorum longus –> Medial aspect of expansion of digits 2-5

36
Q

Flexor Hallucis Brevis

A

Plantar surfaces of cuboid and lateral cuneiforms –> Both sides of base of proximal phalanx of digit 1

37
Q

Adductor Hallucis

A

Oblique head: bases of metatarsals 2-4, Transverse head: plantar ligamnets of MP joints

38
Q

Flexor Digiti Minimi Brevis

A

Base of 5th metatarsal –> base of 5th digit

39
Q

Plantar Interossi

A

Bases of medial sides of metarsals 3-5 –> Medial sides of bases of phalanges 3-5

40
Q

Dorsal Interossei

A

Adjacent sides of metatarsals 1-5 –> 1st medial side of proximal phalanx of digit 2, 2nd-4th lateral sides of digits 2-4

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