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Anatomy Lab > Unit 3 - Muscles > Flashcards

Unit 3 - Muscles Flashcards

(50 cards)

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1
Q

Psoas major

A

Origin: vertebral bodies of T12 - L5
Insertion: Lesser trochanter of femur
Function: flexes hip
Innervation: femoral nerve

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2
Q

Illiacus

A

Origin: iliac fossa of pelvis
Insertion: lesser trochanter of femur
Function: flexes hip
Innervation: femoral nerve

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3
Q

Sartorius

A

Origin: anterior superior iliac spine
Insertion: medial side of proximal tibia
Function: flexes hip
Innervation: femoral nerve

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4
Q

Rectus femoris

A

Origin: anterior inferior iliac spine
Insertion: tibial tuberosity
Function: flexes hip
Innervation: femoral nerve

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5
Q

Vastus lateralis

A

Origin: greater trochanter and linea aspera of femur
Insertion: tibial tuberosity
Function: extends knee
Innervation: femoral nerve

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6
Q

Vastus medialis

A

Origin: medial shaft of femur; linea aspera
Insertion: tibial tuberosity
Function: extends knee
Innervation: femoral nerve

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7
Q

Vastus intermedius

A

Origin: anterior shaft of femur
Insertion: tibial tuberosity
Function: extends knee
Innervation: femoral nerve

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8
Q

Gracilis

A

Origin: body of pubis
Insertion: medial side of proximal tibia
Function: adducts hip
Innervation: obturator nerve

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9
Q

Obturator externus

A

Origin: lateral margin of obturator foramen
Insertion: trochanteric fossa of femur
Function: laterally rotates hip
Innervation: obturator nerve

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10
Q

Pectineus

A

Origin: superior pubic ramus
Insertion: linea aspera of femur
Function: adducts hip
Innervation: femoral nerve

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11
Q

Adductor longus

A

Origin: inferior ramus of pubis
Insertion: linea aspera of femur
Function: adducts hip
Innervation: obturator nerve

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12
Q

Adductor brevis

A

Origin: inferior ramus of pubis
Insertion: linea aspera of femur
Function: adducts hip
Innervation: obturator nerve

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13
Q

Adductor magnus

A

Origin: (adductor component): ischiopubic ramus; (hamstring component): ischial tuberosity
Insertion: (adductor): linea aspera, medial supracondylar ridge of femur; (hamstring): adductor tubercle of femur
Function: adducts hip
Innervation: tibial nerve

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14
Q

Gluteus maximus

A

Origin: sacrum
Insertion: gluteal tuberosity of femur
Function: extend and externally rotate hip
Innervation: inferior gluteal nerve

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15
Q

Gluteus medius

A

Origin: between anterior and posterior gluteal lines of ilium
Insertion: greater trochanter of femur
Function: abduct and internally rotate the hip
Innervation: superior gluteal nerve

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16
Q

Gluteus minimus

A

Origin: between inferior and anterior gluteal lines of ilium
Insertion: greater trochanter of femur
Function: abduct and internally rotate hip
Innervation: superior gluteal nerve

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17
Q

Tensor fasciae latae

A

Origin: iliac crest and anterior superior iliac spine
Insertion: iliotibial tract to lateral side of proximal tibia
Function: abducts hip
Innervation: superior gluteal nerve

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18
Q

Piriformis

A

Origin: Sacrum
Insertion: greater trochanter of femur
Function: abducts hip
Innervation: nerve to the lateral rotator group muscles

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19
Q

Obturator internus

A

Origin: medial margin of obturator foramen
Insertion: medial surface of greater trochanter
Function: laterally rotates hip
Innervation: nerve to the lateral rotator group muscles

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20
Q

Gemellus superior

A

Origin: ischial spine
Insertion: medial surface of greater trochanter
Function: laterally rotates hip
Innervation: nerve to the lateral rotator group muscles

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21
Q

Gemellus inferior

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A

Origin: ischial tuberosity
Insertion: medial surface of greater trochater
Function: laterally rotates hip
Innervation: nerve to the lateral rotator group muscles

22
Q

Quadratus femoris

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A

Origin: ischial tuberosity
Insertion: intertrochanteric crest of femur
Function: laterally rotates hip
Innervation: nerve to the lateral rotator group muscles

23
Q

Semitendinosus

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A

Origin: ischial tuberosity
Insertion: medial surface and condyle of proximal tibia
Function: extends hip
Innervation: tibial nerve

24
Q

Semimembranosus

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A

Origin: ischial tuberosity
Insertion: medial surface of proximal tibia
Function: extends hip
Innervation: tibial nerve

25
Biceps femoris long head
Origin: ischial tuberosity Insertion: common insertion on head of fibula; lateral condyle of tibia Function: extends hip Innervation: tibial nerve
26
Biceps femoris short head
Origin: linea aspera of femur Insertion: common insertion on head of fibula; lateral condyle of tibia Function: extends hip Innervation: common fibular nerve
27
Lateral gastrocnemius
Origin: lateral condyle of femur Insertion: calcaneal tuberosity, via calcaneal tendon Function: flexes knee; plantarflexes ankle Innervation: tibial nerve
28
Medial gastrocnemius
Origin: medial condyle of femur Insertion: calcaneal tuberosity, via calcaneal tendon Function: flexes knee; plantarflexes ankle Innervation: tibial nerve
29
Plantaris
Origin: lateral supracondylar line of femur Insertion: calcaneal tuberosity, via calcaneal tendon Function: flexes knee; plantarflexes ankle Innervation: tibial nerve
30
Soleus
Origin: proximal fibula; soleal line; inferior tibia Insertion: calcaneal tuberosity, via calcaneal tendon Function: plantarflexes ankle Innervation: tibial nerve
31
Popliteus
Origin: lateral condyle of femur Insertion: soleal line and superior surface of tibia Function: flexes knee Innervation: tibial nerve
32
Tibialis posterior
Origin: interosseous membrane Insertion: navicular; cuneiforms; cuboid; metatarsals; Function: plantarflexes ankle Innervation: tibial nerve
33
Flexor digitorum longus
Origin: posterior and medial shaft of tibia Insertion: distal phalanges of digits II - V (2 - 5) Function: plantarflexes ankle Innervation: tibial nerve
34
Flexor hallucis longus
Origin: posterior shaft of fibula Insertion: distal phalanx of digit 1 Function: plantarflexes at ankle Innervation: tibial nerve
35
Tibialis anterior
Origin: lateral condyle and proximal shaft of tibia Insertion: base of first metatarsal Function: dorsiflexes ankle Innervation: deep fibular nerve
36
Extensor digitorum longus
Origin: interosseous membrane Insertion: distal phalanges of digits II - V (2-5) Function: dorsiflexes ankle Innervation: deep fibular nerve
37
Extensor hallucis longus
Origin: interosseous membrane Insertion: distal phalanx of digit 1 Function: dorsiflexes ankle Innervation: deep fibular nerve
38
Fibularis tertius
Origin: interosseous membrane Insertion: base of fifth metatarsal Function: dorsiflexes ankle Innervation: deep fibular nerve
39
Fibularis longus
Origin: head and proximal shaft of fibula Insertion: base of first metatarsal Function: plalntarflexes ankle Innervation: superficial fibular nerve
40
Fibularis brevis
Origin: shaft of fibula Insertion: tuberosity of fifth metatarsal Function: plantarflexes ankle Innervation: superficial fibular nerve
41
Extensor digitorum brevis
Origin: calcaneus Insertion: proximal phalanges of digits II - V (2-5) Function: extends digits II - V (2-5) Innervation: deep fibular nerve
42
Extensor hallucis brevis
Origin: calcaneus Insertion: proximal phalanx of hallux Function: extends hallux Innervation: deep fibular nerve
43
Flexor digitorum brevis
Origin: calcaneal tuberosity (inferior surface) Insertion: middle phalanges of digits II - IV (2-4) Function: flexes digits II - IV (2-4) Innervation: medial plantar nerve
44
Abductor hallucis
Origin: calcaneal tuberosity Insertion: base of proximal phalanx of hallux Function: abducts, flexes hallux Innervation: medial plantar nerve
45
Flexor hallucis brevis
Origin: plantar surfaces of distal tarsal bones Insertion: base of proximal phalanx of hallux Function: flexes hallux Innervation: medial plantar nerve
46
Quadratus plantae
Origin: medial and lateral sides of calcaneus Insertion: tendons of flexor digitorum longus Function: flexes digits II - V (2-5) Innervation: medial plantar nerve
47
Plantar and dorsal interossei
Origin: n/a Insertion: n/a Function: abduct toes Innervation: medial plantar nerve (?)
48
Flexor digiti minimi brevis
Origin: base of fifth metatarsal Insertion: proximal phalanx of digit VV Function: flexes digit VV Innervation: lateral plantar nerve
49
Abductor digiti minimi
Origin: calcaneus Insertion: proximal phalanx of digit V Function: abducts and flexes digit V Innervation: lateral plantar nerve
50
Lumbricals
Origin: tendons of flexor digitorum longus Insertion: tendons of extensor digitorm longus Function: flex and extend toes Innervation: medial plantar nerve

Anatomy Lab (5 decks)

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