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Anatomy II > Exam 2: Lower Limb lecture v > Flashcards

Exam 2: Lower Limb lecture v Flashcards

1
Q

neurovascular structures in anteromedial thigh (2)

A

femoral sheath

femoral triangle

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2
Q

femoral sheath: a _-shaped tube formed by _

A

funnel-shaped formed by fascia

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3
Q

femoral sheath: encloses the _ parts of the femoral vessels and creates a _ medial to them

A

proximal parts, femoral canal (the canal is thus one of three subcompartments formed by the sheath)

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4
Q

femoral triangle: its floor is formed by _ and _

A

iliopsoas and pectineus

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5
Q

femoral triangle: superior border is

A

inguinal ligament

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6
Q

femoral triangle: medial border is

A

adductor longus

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7
Q

femoral triangle: lateral border is

A

sartorius

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8
Q

femoral triangle contents: from lateral to medial

A
  • femoral nerve*
  • femoral artery*
  • femoral vein and proximal tributaries such as great saphenous vein and profunda femoris vein*
  • deep inguinal lymph nodes and lymphatic vessels*
  • w/in femoral sheath
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9
Q

why are myotomes important

A

most movements the lower limb makes require more than 1 myotome ie more than 1 nerve

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10
Q

adductor canal: _ passageway deep to the _ by which the major _ of the thigh traverses the middle third of the thigh

A

intermuscular passageway, sartorius muscle, major neurovascular bundle of the thigh
inter = btwn; btwn muscles

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11
Q

t/f: the adductor canal starts at inguinal ligament

A

FALSE; DOES NOT! Starts more towards bottom of femoral canal and ends more down towards the knee

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12
Q

femoral nerve: largest branch of _ plexus

A

lumbar plexus

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13
Q

femoral nerve: passes deep to _ to enter femoral triangle

A

inguinal ligament

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14
Q

femoral nerve: sends branches to

A

anterior thigh muscles, hip and knee joints, and skin

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15
Q

femoral nerve: its terminal cutaneous branch is

A

the saphenous nerve

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16
Q

femoral artery: continuation of the _ artery, distal to _

A

external iliac artery, distal to inguinal ligament

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17
Q

femoral artery: branches include (3)

A
  1. profunda femoris artery
  2. medial circumflex femoral artery
  3. lateral circumflex femoral artery
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18
Q

profunda femoris artery: main artery to _; gives off _ to muscles of medial, posterior, and lateral copartments

A

main artery to thigh, gives off perforating arteries

profunda = deep

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19
Q

medial circumflex femoral artery: supplies most of _ via _ arteries

A

the blood to head and neck of femur via its branches, the posterior retinacular arteries

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20
Q

lateral circumflex femoral artery: mainly supplies muscles on _ side of thigh

A

lateral side of thigh (the 2 circumflex femoral arteries anastomose with each other and with other arteries)

21
Q

obturator artery: usu a branch of the _ artery

A

internal iliac artery

22
Q

obturator artery: divides into _ and _ branches

A

anterior and posterior (supplies adductus brevis)

23
Q

obturator artery: supplies (5)

A
  1. obtuartor externus
  2. pectineus
  3. thigh adductors
  4. gracilis
  5. femoral head
24
Q

t/f: femoral artery is the main supply artery of the lower limb

A

true

25
Q

t/f: obturator artery is a branch of femoral artery

A

FALSE; internal iliac artery

26
Q

femoral vein: a continuation of _ vein

A

popliteal vein

27
Q

femoral vein: travels through _ canal, enters _ sheath, and ends by becoming the _ vein

A

through adductor canal, enters femoral sheath, ends by becoming the external iliac vein

28
Q

femoral vein: receives the _ vein, the great _ vein, and others

A

receives the profunda femoris vein, the great saphenous vein, and others

29
Q

the greater sciatic foramen is a “door” through which _ and _ leave the pelvis and enter the _ region; _ also passes through this foramen

A

which lower limb arteries and nerves (eg the sciatic nerve) leave the pelvis and enter the GLUTEAL region; PIRIFORMIS also passes through this foramen

30
Q

gluteal muscles: gluteus maximus origin

A

posterosuperior ilium and dorsal sacrum and coccyx

31
Q

gluteal muscles: gluteus maximus insertion

A

to iliotibial tract and gluteal tuberosity of femur

32
Q

gluteal muscles: gluteus maximus innervation

A

inferior gluteal nerve

33
Q

gluteal muscles: gluteus maximus action

A

extends (as in rising from a sitting position) and lateral rotates thigh

34
Q

gluteal bursae: membranous sacs placed in areas subject to _ that contain a thin layer of _ and that separate _ from adjacent structures

A

subject to friction, synovial fluid, separate gluteus maximus from adjacent structures

35
Q

gluteal muscles: gluteus medius mostly covered by

A

gluteus maximus

36
Q

gluteal muscles: gluteus medius origin

A

from external (posterolateral) ilial surface

37
Q

gluteal muscles: gluteus medius insertion

A

to greater trochanter

38
Q

gluteal muscles: gluteus medius innervation

A

superior gluteal nerve

39
Q

gluteal muscles: gluteus medius action

A

stabilize hip and abduct and medially rotate thigh

40
Q

gluteal muscles: gluteus minimus anterior to

A

gluteus medius

41
Q

gluteal muscles: gluteus minimus origin

A

from external (posterolateral) ilial surface

42
Q

gluteal muscles: gluteus minimus insertion

A

to greater trochanter

43
Q

gluteal muscles: gluteus minimus innervation

A

superior gluteal nerve

44
Q

gluteal muscles: gluteus minimus action

A

stabilize hip and abduct and medially rotate thigh

45
Q

gluteal muscles: tensor fasciae latae origin

A

anterior superior iliac spine and iliac crest

46
Q

gluteal muscles: tensor fasciae latae insertion

A

to iliotibial tract

47
Q

gluteal muscles: tensor fasciae latae innervation

A

superior gluteal nerve

48
Q

gluteal muscles: tensor fasciae latae action

A

tenses fascia lata and iliotibial tract; works with gluteus medius and minimus

49
Q

during walking, the gluteus medius, gluteus minimus, and tensor fasciae latae on the right side _ when the right (but not left) foot is on the ground to prevent the sagging of the unsupported left side of the pelvis (that is, to “support” the pelvis) and to prevent rightward lateral sway

A

contract

Anatomy II (28 decks)

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