Lower Extremity Origins and Inserstions Flashcards Preview

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Flashcards in Lower Extremity Origins and Inserstions Deck (64):
1

Tibialis Anterior

O: Upper two-thirds of the lateral surface of tibia
I: Medial and plantar aspect of first metatarsal and first cuneiform bone
A: Dorsiflexion, inversion
N: Deep Fibular, L4 5 S1

2

Extensor Hallucis Longus

O: Middle part of fibula on medial and anterior aspect and adjacent interosseus membrane
I: Dorsum of distal phalanx of great toe
A:Toe extension, dorsiflexion, inversion
N: Deep Fibular, L4 5 S1

3

Extensor Digitorum Longus

O: Upper 3/4's of anterior surface of fibula and interosseus membrane and lateral condyle of tibia
I: By four tendons into middle and distal phalanges of four lateral toes
A: Toe Extension, dorsiflexion, eversion
N: Deep Fibular, L4 5 S1

4

Fibularis (Peroneus) Tertius

O: Lower 2/3's of anterior-lateral surface of fibula
I: Base of the dorsum of the fifth metatarsal bone
A: Dorsiflexion, eversion
N: Deep Fibular, L4 5 S1

5

The Anterior Compartment

Tibialis Anterior, Extensor Hallucis Longus, Extensor Digitorum Longus, and Fibularis (Peroneus) Tertius

6

Fibularis (Peroneus) Longus

O: Upper 2/3's of lateral surface of fibula and lateral condyle of tibia
I: First metatarsal and first cuneiform bone (by way of peroneal groove on cuboid)
A: Eversion, plantar flexion
N: Superficial fibular, L4 5 S1

7

Fibularis (Peroneus) Brevis

O: Lower 2/3's of lateral surface of fibula
I: Base of fifth metatarsal bone on lateral side
A:Eversion, plantar flexion
N: Superficial fibular, L4 5 S1

8

The Lateral Compartment

Fibularis Longus and Fibularis Brevis

9

Gastrocnemius

O: Posterior aspect of medial and lateral condyles of
femur
I: Tendon of Achilles, which also receives fibers of soleus before inserting into calcaneus
A: Plantar flexion, knee flexion
N: Tibial, S1 2

10

Soleus

O: Posterior upper third of fibula and soleal line of tibia, interosseous membrane
I: Calcaneus tuberosity via the Achilles tendon
A: Plantar flexion
N: Tibial (posterior tibial) L5 S1 2

11

Plantaris

O: Lateral supracondylar ridge of femur
I: Medial side of posterior part of calcaneus, calcaneal tendon
A: Plantar flexion, knee flexion
N: Tibial, L4 5 S1 (2)

12

Tibialis Posterior

O: Interosseus membrane, and adjacent bony surfaces of posterior and fibula
I: Navicular; cuboid; 1,2,3 Cuneiform; 2,3,4 Metatarsals
A: Inversion, plantar flexion
N: Tibial L4 5 S1

13

Flexor Digitorum Longus

O: Middle three-fifths of posterior of tibia
I: By four tendons of base of distal phalanges on the plantar surface of the four lateral toes
A: Toe flexion, inversion, plantar flexion
N: Tibial

14

Flexor Hallucis Longus

O: Lower two-thirs of posterior surface of fibula and interosseus membrane
I: Plantar surface of base of distal phalanx of great toe
A: Toe flexion, inversion, plantar flexion
N: TIbial

15

Popliteus

O: Lateral surface of lateral condyle of femur
I: Triangular space on posterior of tibia above oblique or soleal line
A: Knee flexion and internal rotation
N: Tibial Tibial
This muscle unlocks the knee for flexion

16

Deep Posterior Compartment

Tibialis posterior, flexor digitorum longus, flexor hallucis longus, popliteus

17

Semimembranosous

O: Ischial tuberosity (upper and lateral facet)
I: Posterior aspect of medial condyle of tibia
A: Hip extension, knee flexion, knee internal rotation
N: Sciatic- tibial portion

18

Semitendinosus

O: Ischial tuberosity
I: Medial Condyle of tibia
A: Hip extension, knee flexion, knee internal rotation
N: Sciatic- tibial portion

19

Biceps femoris

O: Long head- ischial tuberosity and sacrotuberous ligament. Short head from lateral lip of linea aspera
I: Head of fibula
A: Hip extension, knee flexion, knee external rotation
N: Sciatic- long head- tibial. short head- common fibular

20

Vastus Medialis

O: Medial lip of linea aspera
I: Tibial tuberosity via quadriceps tendon
A: Knee extension
N: Femoral

21

Vastus Intermedius

O: Proximal 2/3's anteriolateral surface of femur
I: Tibial tuberosity via quadriceps tendon
A: Knee extension
N: Femoral

22

Vastus Lateralis

O: Lateral lip of linea aspera
I: Tibial tuberosity via quadriceps tendon
A: Knee extension
N: Femoral

23

Rectus femoris

O: Anterior inferior iliac spine and superior brim of acetabulum
I: Tibial tuberosity via quadriceps tendon
A: Hip flexion, knee extension
N: Femoral

24

Articularis Genu

O: Anterior femur, below vastus intermedius
I: Proximal part of synovial membrane of knee
A: Draws articular capsule proximal
N: Femoral

25

Psoas Major

O: From the bodies, transverse processes and discs of T12-L5
I: Lesser trochanter of femur
A: Hip flexion and external rotation
N: 2nd and 3rd Lumbar

26

Psoas Minor

O: Sides of the bodies of T12 and L1
I: Pectineal line and iliopectineal eminence
A: Flexion of the pelvis and lumbar spine
N: L1,2

27

Iliacus

O: Superior 2/3's of ilias fossa, iliac crest and ala of sacrum
I: Lesser trochanter of femur
A: Hip flexion and external rotation
N: Branch of femoral

28

Sartorius

O: Anterior inferior iliac cpine and ininferior notch
I: Pes Anserine
A: Hip flexion, abduction, external rotation, knee flexion and internal rotation
N: Femoral

29

Pectineus

O: Pectineal line of pubis between iliopecineal eminence and pubic tubercle
I: Line from lesser tronchanter to linea aspera- pectineal line
A: Thigh adduction, flexion, and slight internal rotation
N: Femoral and accessory obturator

30

Tensor Fasciate Latae

O: Lateral aspect of anterior superior iliac crest
I: Gerdy's tubercle via the iliotibial tract
A: Tenses Fascia latae. Hip flexion, abduction, and internal rotation
N: Superior gluteal

31

Gluteus minimus

O: External surface of ilium between inferior and anterior gluteal lines
I: Anterior aspect of greater trochanter
A: Hip internal rotation
N: Superior gluteal

32

Gluteus Medius

O: External surface of ilium between iliac crest and posterior gluteal line and anterior gluteal line
I: External surface of greater trochanter
A: Abducts hip, rotates thigh internally when leg is extended, stabilization of opposite hip
N: Superior gluteal

33

Gluteus Maximus

O: Posterior crest of ilium, posterior surface of sacrum and coccyx, external surface of ilium, sacrotuberous ligament
I: Gluteal tuberosity and iliotibial tract
A: Extends hip, assists in adduction and external rotation
N: Inferior gluteal

34

Gracilis

O: Lateral on inferior ramus of pubis and ischium
I: Pes anserine
A: Knee flexion and internal rotation, hip adduction
N: Obturator

35

Adductor Brevis

O: LAteral surface of inferior ramus of pubis
I: Upper third of linea aspera
A: Hip adduction, slight internal rotation, extension, flexion
N: Obturator

36

Adductor Longus

O: Body of pubis
I: Middle half of medial lip of linea aspera
A: Hip adduction, slight internal rotation, extension, flexion
N: Obturator

37

Adductor Magnus

O: External surface of ischial tuberosityand inferior ramus of pubis and ischium
I: Entire length of linea aspera, medial supracondylar ridge, and adductor tubercle
A: Hip adduction, external rotation, extension (lower portion), flexion (upper portion)
N: Obturator and Sciatic

38

Piriformis

O: Anterior surface of sacrum
I: Superior surface of greater trochanter
A: External rotation of extended hip, abducts hip when limb is flexed
N: 1st and 2nd sacral

39

Gemellus Superior

O: Lateral surface of ischial spine
I: Medical aspect of superior border of greater trochanter
A: Hip external rotation
N: Nerve to obturator internus and gemellus superior

40

Obturator Internus

O: Internal surface of pubis, inner surface of obturator membrane
I: Medial surface of greater trochanter
A: Hip external rotation
N: Nerve to obturator internus and gemellus superior

41

Gemellus Inferior

O: Upper part of ischial tuberosity
I: Medial part of superior border of greater trochanter
A: Hip external rotation
N: Nerve to quadratus femoris and gemellus inferior

42

Quadratus Femoris

O: Ischial tuberosity
I: Quadrate tubercle on intertrochanteric crest
A: Hip external rotation, adduction
N: Nerve to quadratus femoris and gemellus inferior

43

Adductor Hallucis

O: Medial process of calcaneus
I: Medial side of base of first phalanx of great toe
A: Adducts great toe
N: Medial Plantar

44

Flexor Digitorum Brevis

O: Anterior aspect of calcaneal tuberosity, plantar aponeurosis
I: Second phalanges of four outer toes
A: Toe flexion
N: Medial plantar

45

Abductor Digiti Minimi

O: Lateral process of calcaneal tuberosity, plantar aponeurosis
I: Lateral side of the first phalanx of the fifth toe
A: Abducts the small toe
N: Lateral Plantar

46

Plantar Intrinsics first layer

Abductor Hallucis, Flexor Digitorum Brevis, Abductor Digiti Minimi

47

Superficial posterior compartment

Gastrocnemius, soleus, Plantaris

48

Hamstrings

Semimembranous, semitendinosous, biceps femoris

49

The quadriceps

Vastus medialis, vastus intermedius, vastus lateralis, rectus femoris

50

The gluteals

Gluteus minimus, gluteus medius, gluteus maximus

51

Six Deep External Hip Rotators

Piriformis, gemellus superior, obturator internus, gemellus inferior, obturator externus, quadratus femoris

52

Plantar intrinsics second layer

Quadratus Plantae, lumbricals

53

Quadratus plantae

O: Calcaneus, by two heads
I: Tendon of flexor digitorum longus
A: Toe Flexion
N: Lateral plantar

54

Lumbricals

O: Tendon of flexor digitorum longus
I: Tendons of extensor digitorum longus, and into the medical side of the first phalanx of the corresponding toes
A: Flexes toes at metatarsophalangeal joints, extends toes in interphalangeal joints of the 4 lateral toes
N: Medial plantar (1st) lateral plantar (2, 3, and 4)

55

Plantar intrinsics third layer

Flexor Hallucis Brevis, Adductor Hallucis, Flexor Digiti Minimi Brevis

56

Flexor Hallucis Brevis

O: Plantar surface of cuboid bone, tendon or tibialis posterior
I: First phalanx of great toe
A: Flexes great toe
N: Medial plantar

57

Adductor Hallucis

O: Oblique head from bases of second, third, and fourth metatarsals and from sheath of the tendon of the fibularis longus. Transverse head from capsules of lateral four metatarsophalangeal joints and from the transverse metatarsal ligament
I: Lateral side of the phalanx of great toe
A: Adducts great toe
N: Lateral Plantar

58

Flexor Digiti Minimi Brevis

O: Fifth metatarsal
I: First phalanx of the fifth toe
A: Flexion of proximal phalax of the fifth toe
N: Lateral Plantar

59

Plantar intrinsics of the fourth layer

Dorsal and plantar interossei

60

Dorsal Interossei

O: Arise by two heads from adjacent sides of metatarsal bones
I: figure it out
A: Abduction of toes 2, 3, and 4 from axis of the 2nd toe
N: Lateral plantar

61

Plantar Interossei

O: Medial side of metatarsals 3, 4, and 5
I: Medial side of toes 3, 4, and 5 on the first phalanx
A: Adduction of toes 3, 4, and 5 from axis of 2nd toe
N: Lateral PLantar

62

Dorsal Intrinsics

Extensor digitorum brevis
Extensor Hallucis Brevis

63

Extensor Digitorum Brevis

O: Forepart of calcaneus on dorsal surface, divides into 3 tendons
I: Lateral side of tendons of extensor digitorum longus
A: Extends 3 medial toes
N: Deep fibular

64

Extensor Hallucis Brevis

O: Forepart of calcaneus on dorsal surface
I: Dorsum of first phalanx of great toe
A: Extends proximal phalax of great toe
N: Deep Fibular