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Gross Anatomy > thigh > Flashcards

thigh Flashcards

1
Q

compartments of the lower limb

A

anterior: knee extensors, hip flexors
medial: hip adductors/flexors
posterior: knee flexors, hip extensors

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2
Q

contents of femoral sheath

A

Femoral…

Nerve

Artery

Vein

Empty space

Lymph nodes

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3
Q

IT band insertion

A

gerdy’s tubercle

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4
Q

IT band function

A

keeps femur from moving on tibia when flexed

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5
Q

femoral triangle contents

A

femoral sheath

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6
Q

apex of femoral triangle leads to…

A

adductor canal

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7
Q

adductor canal contents

A

entering: femoral A, V saphenous N
exiting: popliteal A,V, saphenous branch of femoral N and A

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8
Q

popliteal fossa contents (4)

A

femoral A (becomes popliteal, then branches into post and ant tibial A)

sciatic N (branches into tibial and common fib N)

short saphenous V

popliteal lymph nodes

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9
Q

sartorius

A

tailors muscle,

ASIS–>ant med tib

flexes, abducts, laterally rotates hip

flexes, internally rotates (when flexed) knee

femoral n

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10
Q

TFL

A

strengthens IT band

begins hip flexion

laterally rotates hip

superior gluteal n

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11
Q

quads

A

powerful knee extensors, come together to form the quadriceps tendon which attaches superiorly to patella femoral n. 1. rectus femoris: 2 heads, AIIS, ant capsule of hip joint, also flexes hip ONLY ONE THAT CROSSES HIP JOINT 2. vastus lateralis 3. vastus medialis 4. vastus intermedius

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12
Q

vastus medialis obliquus

A

distal portion of vastus medialis

active during terminal knee ext

prevents patella from tracking laterally

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13
Q

articularis genu

A

small muscle, often part of the vastus intermedius protects synovial membrane during knee ext

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14
Q

pectineus

A

pubis–>post femur

starts hip flexion

2 nerve innervation!!: femoral and obturator

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15
Q

iliopsoas

A

combo of iliacus and psoas major

most powerful hip flexor

only ones that can flex hip from a seated position

lumbar lordosis, ant pelvic tilt

L1&L2 ventral rami

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16
Q

anterior thigh muscles (5)

A

sartorious

TFL

quads

pectineus

iliopsoas

17
Q

medial comp thigh muscles (5)

A

pectineus

adductor longus

adductor brevis

adductor magnus

gracilis

flex and adduct hip, assist in internal rot obturator nerve

18
Q

adductor magnus

A

can also extend hip

dual innervation–> 2 portions

  1. anterior/adductor portion: obturator n
  2. post/hamstring portion: extends hip, sciatic n
19
Q

gracilis

A

2 joint muscle

most medial medial comp muscle

flexes & adducts hip

flexes knee

inwardly rot tibia on femur with knee flexed

20
Q

femoral cut n

A

lateral thigh

21
Q

femoral n

A

cut: skin on ant and med thigh
motor: quads, sartorius, half of the pectineus

22
Q

muscles in post comp

A

hamstrings

23
Q

hamstrings

A

biceps femoris: long head inserts on ischial tub, short on linea aspera, both connect to the head of the fib semimembranosus

semitendonosus

sciatic n

24
Q

pes anserinus

A

sartorius

gracilis

semitendonosus

all insert onto the ant med tib and flex the knee

also inwardly rot when knee is flexed

25
Q

ant comp innerv

A

femoral, lat femoral cut

26
Q

med comp innerv

A

obturator

27
Q

post comp innerv

A

sciatic:

lateral/common fib: short head of biceps femoris only

tibial portion: all other hamstrings

post femoral cut: to skin in post comp

28
Q

blood supply to ant comp

A

sup femoral A. —> deep femoral

29
Q

blood supply to med comp

A

obturator A —>med and lat femoral Cx

30
Q

blood supply to post comp

A

deep femoral A

31
Q

osgood schlatus

A

tibial tuberosity doesnt fuse till late, gets pulled away from tibia, bone grows faster than muscle

32
Q

popliteal artery

A

found in popliteal fossa, supplies knee joint and its capsule

33
Q

innervation of quads

A

femoral

34
Q

innervation of TFL

A

superior gluteal

35
Q

innervation of sartorius

A

femoral

36
Q

innervation of pectineus

A

DUAL: femoral and obturator

37
Q

innervation of iliopsoas

A

L1&L2 ventral rami

38
Q

adductor magnus innervation

A

DUAL: anterior portion: obturator post portion: sciatic

Gross Anatomy (18 decks)

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