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PHTH 510: Anat I > LE Structures > Flashcards

LE Structures Flashcards

1
Q

Gluteus Maximus

A

O: Ilium, posterior gluteal line, dorsal surface of sacrum and coccyx, and sacrotuberous ligament
I: Iliotibial tract and gluteal tuberosity
A: Extension and ER
N: Inferior gluteal N. L5-S2

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2
Q

Gluteus Medius

A

O: B/w anterior and posterior gluteal lines
I: Lateral surface of GT
A: ABD femur at hip joint, keeps pelvis level when ipsilateral limb WB, anterior fibers- IR
N: Superior gluteal N. L4-S1

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3
Q

Gluteus Minimus

A

O: Bw inferior and anterior gluteal lines
I: Antero-lateral aspect of GT
A: ABD femur as hip joint, keeps pelvis level when ipsilateral limb WB, anterior fibers-IR
N: Superior gluteal n. L4-S1

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4
Q

TFL

A

O: ASIS
I: ITB tract of fascia lata
A: ABD femur as hip joint, keeps pelvis level when ipsilateral limb WB, anterior fibers-IR, stabilizes knee extension
N: Superior gluteal n. (L4-S1)

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5
Q

Piriformis

A

O: Anterior surface of sacrum bw S1-S4
I: Superior border of GT
A: ER extended thigh, ABD flexed thigh, steady femoral head in acetabulum
N: Spinal N. L5-S2 (nerve to pirfiormis)

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6
Q

Obturator Internus

A

O: Inner surface of obturator foramen
I: Medial surface of GT
A: ER extended hip, ABD flexed thigh, steady femoral head in acetabulum
N: Spinal N. L5-S2 (nerve to obturator internus)

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7
Q

Obturator Externus

A

O: External surface of obturator foramen
I: Trochanteric fossa of femur
A: ER of extended hip, ABD flexed thigh
N: Obturator N. (L3,L4)

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8
Q

Superior Gemellus

A

O: Ischial Spine
I: Medial surface of GT
A: ER extended hip, ABD flexed thigh
N: Spinal N. L5-S1

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9
Q

Inferior Gemellus

A

O: Ischial tuberosity
I: Medial surface of GT
A: ER extended hip, ABD flexed thigh
N: Spinal N. (L5-S1)

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10
Q

Quadratus Femoris

A

O: Lateral border of ischial tuberosity
I: Intertrochaneric crest of femur
A: ER hip
N: Spinal N. (L5-S1)

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11
Q

Psoas Major

A

O: Sides of T12 to L5 & intervertebral discs
I: Lesser Trochanter
A: Flexes thigh and trunk
N: Spinal N. L1-L3

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12
Q

Iliacus

A

O: Iliac Fossa
I: Lesser Trochanter
A: Flexes thigh and trunk
N: Femoral N. L2-L3

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13
Q

Sartorius

A

O: ASIS
I: Pes Anserinus
A: Flexes thigh and flexes leg
N: Femoral N. L2-L3

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14
Q

Rectus Femoris

A

O: ASIS and groove superior to acetabulum
I: Quadriceps Tendon, patella, tibial tuberosity
A: Extends leg and flexes hip
N: Femoral N. L2-L4

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15
Q

Vastus Lateralis

A

O: GT
I: Quadriceps tendon & Lateral border of patella
A: Extends the leg
N: Femoral N. L2-L4

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16
Q

Vastus Medialis

A

O: Intertrochanteric line and linea aspera
I: Quadriceps tendon & medial border of patella
A: Extends the leg
N: Femoral L2-L4

17
Q

Vastus Intermedius

A

O: Intertorhcanteric line and upper 2/3 of anterior femur
I: Quadriceps femoris tendon
A: Extends the leg
N: Femoral N. L2-L4

18
Q

Biceps Femoris Long Head

A

O: Ischial tuberosity
I: Lateral tibia, head of fibula
A: thigh extension, knee flexion
N: Tibial N. S1-S3

19
Q

Biceps Femoris Short Head

A

O: Linea aspera
I: Lateral tibia, head of fibula
A: Thigh extension, knee flexion
N: Common fibula N. L5-S2

20
Q

Semi tendinosus

A

O: Ischial tuberosity
I: Pes Anserinus
A: Thigh extension and knee flexion
N: Tibial N. L5-S2

21
Q

Semi Membranosus

A

O: Ischial tuberosity
I: Medial condyle of tibia
A: Thigh extension and knee flexion
N: Tibial N. L5-S2

22
Q

Adductor Longus

A

O: Body of pubis, close to symphysis
I: Linea aspera of femur
A: Adducts thigh and rotates thigh medially
N: Obturator N. L3 & L4

23
Q

Adductor Brevis

A

O: Inferior pubic ramus, close to symphysis
I: Upper part of linea aspera
A: Adducts thigh
N: Obturator N. L3-L4

24
Q

Adductor Magnus

A

O: Inferior ramus of pubis, inferior ramus of ischium, ischial tuberosity
I: Linea aspera of femur and supracondylar line
A: Adducts thigh
N: Obturator N. (L3-L4) and branches from sciatic

25
Q

Gracilis

A

O: Inferior ramus of pubis
I: Pes anserinus
A: Adducts thigh and flexes leg
N: Obturator N. (L3-L4)

26
Q

Pectineus

A

O: superior ramus of pubis
I: Pectineal line of femur
A: Adduct and flexes thigh
N: Femoral Nerve L2-L4

27
Q

Tibialis Anterior

A

O: Lateral condyle of tibia
I: Medial cuneiform & Base of Metatarsal I
A: DF and INV of foot
N: Deep fibular (L4, S1)

28
Q

Extensor Hallucis Longus

A

O: Middle medial surface of fibula and interosseous membrane
I: Base of distal phalanx of great toe
A: Extension of great toe & DF of foot
N: Deep fibular (L4-S1)

29
Q

Extensor Digitorum Longus

A

O: Medial surface of fibula and lateral tibial condyle
I: Distal and middle phalanges of lateral four toes
A: Extension of lateral four toes and DF
N: Deep fibular n. (L4-S1)

30
Q

Fibularis Tertius

A

O: Distal part of anterior surface of fibula
I: Dorsomedial surface of metatarsal V
A: DF and Eversion of foot
N: Deep fibular n. (L3-S1)

31
Q

Fibularis Longus

A

O: Upper lateral surface of fibula, head, and interosseous membrane
I: Base of metatarsal I and medial cuneiform
A: Eversion and PF of foot
N: Superficial Fibular B. (L4-S1)

32
Q

Fibularis Brevis

A

O: Lateral surface of shaft of fibula
I: Lateral tubercle at base of metatarsal V
A: Eversion of foot and PF
N: Superficial Fibular N. L4-S1

33
Q

Gastrocnemius

A

O: Upper posterior medial and lateral surfaces of femoral condyles
I: Calcaneal tendon, calcaneus
A: PF and knee flexion
N: TibialN. S1-S2

34
Q

Plantaris

A

O: Lateral supracondylar line of femur
I: Calcaneal tendon, calcaneus
A: PF and knee flexion
N: Tibial N. S1-S2

35
Q

Soleus

A

O: Soleal line, medial border of tibia, posterior aspect of fibular head, neck, and proximal shaft
I: Calcaneal tendon, calcaneus
A: PF
N: Tibial N. S1-S2

36
Q

Popliteus

A

O: Lateral surface of femoral condyle
I: Posterior surface proximal medial tibia
A: Close chain= Laterally rotated femur (unlocks knee), Open chain= Medially rotates tibia
N: Tibial N. L4-S1

37
Q

Flexor Digitorum Longus

A

O: Medial side of posterior surface of tibia
I: Distal phalanges of lateral four toes
A: Flexes lateral four toes
N: Tibial N. L4-S2

38
Q

Flexor Hallucis Longus

A

O: Inferior 2/3 of posterior surface of fibula and interosseous membrane
I: Plantar surface of distal phalanx of great toe
A: Flexes great toe, inversion, and PF
N: Tibial N. L4-S2

39
Q

Tibialis Posterior

A

O: Posterior surface of interosseous membrane and shafts of tibia, and fibula
I: Tuberosity of navicular ad medial cuneiform
A: Inversion and PF
N: Tibial Nerve L5-S1

PHTH 510: Anat I (2 decks)

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