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Gross Anatomy > Lower Extremity Muscles > Flashcards

Lower Extremity Muscles Flashcards

1
Q

What are the muscles of the gluteal region?

A
  1. Gluteus maximus
  2. Gluteus medius
  3. Gluteus minimus
  4. Tensor Fasciae latae
  5. Piriformis
  6. Superior gemellus
  7. Obturator Internus
  8. Inferior gemellus
  9. Quadratus femoris
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2
Q

What is the function, innervation, and blood supply of the gluteus maximus?

A

Function: extend the thigh
Innervation: inferior gluteal nerve
Blood supply: Inferior gluteal artery

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3
Q

What is the function, innervation, and blood supply of the gluteus medius?

A

Function: abduct the thigh
Innervation: superior gluteal nerve
Blood supply: Superior gluteal artery

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4
Q

What is the function, innervation, and blood supply of the gluteus minimus?

A

Function: abduct the thigh
Innervation: superior gluteal nerve
Blood supply: Superior gluteal artery

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5
Q

What is the function, innervation, and blood supply of the tensor fasciae latae?

A

Function: abduct the thigh
Innervation: Superior gluteal artery
Blood supply: femoral artery

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6
Q

What is the function, innervation, and blood supply of the piriformis?

A

Function: Laterally rotates extended thigh and abducts flexed thigh
Innervation: Piriformis nerve
Blood supply: Superior and inferior gluteal arteries

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7
Q

What is the function, innervation, and blood supply of the superior gemellus?

A

Function: laterally rotates extended thigh and abducts flexed thigh
Innervation: nerve to obturator internus
Blood supply: Inferior gluteal artery

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8
Q

What is the function, innervation, and blood supply of the obturator internus?

A

Function: laterally rotates extended thigh and abducts flexed thigh
Innervation: nerve to obturator internus
Blood supply: Obturator arteries

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9
Q

What is the function, innervation, and blood supply of the inferior gemellus?

A

Function: laterally rotates extended thigh and abducts flexed thigh
Innervation: nerve to quadratus femoris
Blood supply: Femoral artery

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10
Q

What is the function, innervation, and blood supply of the quadratus femoris?

A

Function: laterally rotates thigh
Innervation: nerve to quadratus femoris
Blood supply: Femoral artery

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11
Q

What are the muscles of the posterior thigh?

A
  1. Biceps femoris, long and short head
  2. Semitendinosus
  3. Semimembranosus
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12
Q

What is the function, innervation and blood supply of the biceps femoris?

A

Function: flexes knee, laterally rotates leg and extends thigh at hip
Innervation: Sciatic nerve
Blood supply: Inferior gluteal and femoral arteries

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13
Q

What is the function, innervation and blood supply of the semitendinosus?

A

Function: flexes knee, extends thigh
Innervation: Sciatic nerve
Blood supply: Inferior gluteal and femoral arteries

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14
Q

What is the function, innervation, and blood supply of the semimembranosus?

A

Function: flexes knee, extends thigh
Innervation: Sciatic nerve
Blood supply: Inferior gluteal and femoral arteries

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15
Q

What 4 muscles make up your hip flexors (anterior thigh)?

A
  1. Pectineus
  2. Sartorius
  3. Psoas major
  4. Iliacus
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16
Q

What 4 muscles make up your quadriceps (anterior thigh)?

A
  1. Rectus femoris
  2. Vastus lateralis
  3. Vastus medialis
  4. Vastus intermedius
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17
Q

What is the function, innervation and blood supply of the pectineus?

A

Function: Adducts and flexes thigh
Innervation: Femoral nerve
Blood supply: Medial circumflex femoral artery

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18
Q

What is the function, innervation, and blood supply of the sartorius?

A

Function: Abducts, flexes and laterally rotates thigh
Innervation: Femoral nerve
Blood supply: Femoral artery

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19
Q

What is the function, innervation, and blood supply of the psoas major?

A

Function: Acts with iliacus to form iliopsoas to flex thigh
Innervation: Ventral rami
Blood supply: Lumbar branches of iliolumbar artery

20
Q

What is the function, innervation, and blood supply of the iliacus?

A

Function: Acts with psoas major to form iliopsoas to flex thigh
Innervation: Femoral nerve
Blood supply: Iliac branches of iliolumbar artery

21
Q

What is the function, innervation, and blood supply of the rectus femoris?

A

Function: Extends leg at knee and flex thigh at hip
Innervation: Femoral nerve
Blood supply: Profunda femoris and lateral circumflex femoral arteries

22
Q

What is the function, innervation and blood supply of the vastus lateralis?

A

Function: Extends leg at knee
Innervation: Femoral nerve
Blood supply: Profunda femoris and lateral circumflex femoral arteries

23
Q

What is the function, innervation and blood supply of the vastus medialis?

A

Function: Extends leg at knee
Innervation: Femoral nerve
Blood supply: Profunda femoris and lateral circumflex femoral arteries

24
Q

What is the function, innervation, and blood supply of the vastus intermedius?

A

Function: Extends leg at knee
Innervation: Femoral nerve
Blood supply: Profunda femoris and lateral circumflex femoral arteries

25
Q

What are the 4 muscles of the medial thigh?

A
  1. Adductor longus
  2. Adductor brevis
  3. Adductor magnus
  4. Gracilis
26
Q

What is the function, innervation, and blood supply of the adductor longus?

A

Function: adducts thigh
Innervation: Obturator nerve
Blood supply: Profunda femoris and medial circumflex femoral arteries

27
Q

What is the function, innervation, and blood supply of the adductor brevis?

A

Function: Adducts thigh and assists with flexion of thigh
Innervation: Obturator nerve
Blood supply: Adducts thigh at hip

28
Q

What is the function, innervation, and blood supply of the adductor magnus?

A

Function: Adducts thigh
Innervation: Obturator nerve
Blood supply: Femoral artery, profunda femoris, and obturator artery

29
Q

What is the function, innervation, and blood supply of the gracilis?

A

Function: Adducts thigh and flexes leg
Innervation: Obturator nerve
Blood supply: Profunda femoris artery, medial circumflex femoral artery

30
Q

What are the three muscles of the anterior lower leg?

A
  1. Tibialis anterior
  2. Extensor hallucis longus
  3. Extensor digitorum longus
31
Q

What is the function, innervation, and blood supply of the tibialis anterior?

A

Function: dorsiflexion of foot and ankle, inversion of foot
Innervation: Deep fibular nerve
Blood supply: Anterior tibial artery

32
Q

What is the function, innervation, and blood supply of the extensor hallucis longus?

A

Function: Extension of big toe and dorsiflexion of foot
Innervation: Deep fibular nerve
Blood supply: Anterior tibial artery

33
Q

What is the function, innervation, and blood supply of the extensor digitorum longus?

A

Function: Extension of lateral 4 toes and dorsiflexion of foot
Innervation: Deep fibular nerve
Blood supply: Anterior tibial artery

34
Q

What are the 2 muscles of the lateral lower leg?

A
  1. Fibularis longus

2. Fibularis brevis

35
Q

What is the function, innervation, and blood supply of the fibularis longus?

A

Function: eversion of foot and plantar flexion of foot
Innervation: superficial fibular nerve
Blood supply: Anterior tibial and fibular arteries

36
Q

What is the function, innervation, and blood supply of the fibularis brevis?

A

Function: eversion of foot
Innervation: superficial fibular nerve
Blood supply: Anterior tibial and fibular arteries

37
Q

What are the 3 superficial muscles of the posterior lower leg?

A
  1. Gastrocnemius
  2. Plantaris
  3. Soleus
38
Q

What is the function, innervation, and blood supply of the gastrocnemius?

A

Function: plantar flexion and flexion of the knee
Innervation: Tibial nerve
Blood supply: Posterior tibial arteries

39
Q

What is the function, innervation, and blood supply of the plantaris?

A

Function: plantar flexion and flexion of knee
Innervation: Tibial nerve
Blood supply: Posterior tibial arteries

40
Q

What is the function, innervation, and blood supply of the soleus?

A

Function: plantar flexion of foot
Innervation: Tibial nerve
Blood supply: Posterior tibial arteries

41
Q

What are the 4 deep muscles of the posterior lower leg?

A
  1. Popliteus
  2. Flexor hallucis longus
  3. Flexor digitorum
  4. Tibialis posterior
42
Q

What is the function, innervation, and blood supply of the popliteus?

A

Function: stables and unlocks knee joint
Innervation: Tibial nerve
Blood supply: Posterior tibial artery

43
Q

What is the function, innervation, and blood supply of the flexor hallucis longus?

A

Function: Flexes big toe
Innervation: Tibial nerve
Blood supply: Posterior tibial artery

44
Q

What is the function, innervation, and blood supply of the flexor digitorum longus?

A

Function: Flexes lateral 4 toes
Innervation: Tibial nerve
Blood supply: Posterior tibial artery

45
Q

What is the function, innervation, and blood supply of the tibialis posterior?

A

Function: Inversion and plantar flexion of foot
Innervation: Tibial nerve
Blood supply: Posterior tibial artery

Gross Anatomy (3 decks)

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