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Anatomy Block-4 Gems-6
AUC Thigh, knee, & leg
23
Anatomy
Graduate
04/09/2011

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Term
Interochanteric fracture
Definition
between greater and lesser trochanters
Term
Gun shot/ Stabwound

Butcher block injury
Definition
Femoral artery will bleed out within 2 minutes
Term
Blood supply to knee
Definition
Genicular arteries

(branches off of popliteal a)
Term
Fossa Ovalis
Definition
Fossa ovalis is opening in fascia lata.

Saphenous v and femoral branch of
genitofemoral pass through.

Cribiformis fascia covers the opening superficially

Fascia hold the head of the femur in
Term
Femoral triangle
(Scarpas)
Definition
Sartorius - laterally
inguinal ligament superiorly
Adductor longus medially

Femoral v.a.n. Great Saphenous
Term
Obliquus genu
Definition
The distal fibers of vastumus medialis.

Key for knee stability. (preventing pattler dislocation)

Opposes tension of vastus lateralis
Term
Pes anserinus
Definition
Sartorius, Gracilis, and semitendinosus tendons form pes anserinus

can flex the knee
Term
Patellar dislocation
Definition
almost always lateral because of vastus lateralis as well as tension from iliotibial band
Term
Popliteal Fossa
Definition
lateral: biceps femoris
Medially semimembranous/tendenous

Contents: Popliteal a and v
Sciatic n
Medial and lateral sural cutaneous
Term
Adductor canal
(Subsartorial)
(Hunters)
Definition
Opening in Adductor Magnus.
Bounded by Adductor Magus, Vastas medialis,

Femoral a, v.
Saphenous nerve
Term
Opoliteal Arteyr Aneurism
Definition
Dilation of popliteal a in adductor canal.

Pain in popiteal fossa.

Ligation of femoral artery.

Blood can bypass occlusion in genicular anastomoses
Term
Baker's cyst
(popliteal cyst)
Definition
Collection of synovial fluid, from the
knee joint or bursa and formed a new sac in popliteal fossa.
Term
Damage to Sciatic n
Definition
Paralysis of hamstrings and muscles of leg and foot

Loss of movement inferior ot hte knee

sensation lost inferior to the knee except saphenous(branch of femoral)
Term
From medial mallelus posteriorly

Tom Dick and Very naughty Hairy
Definition
Tibialis posterior
Flex digitorm longus
post tibial a
post tibial v
tibial n
flex hallucis longus
Term
Posterior Compartment-induced syndrome
Definition
Most Common

overuse or rapid build up of posterior leg muscles
Term
Hyperactive invertors vs everters
Definition
Hyperactive evertors: flatten arches

Hyperactive invertors: elevate arches
Term
Common fibular nerve
Definition
follows medial edge of biceps femories tendon.

Winds around neck of fibula where it is vulnerable to injury

Deep fibular runs with Anterior Tibial a
Term
Injury to common fibular
Definition
loss of eversion(superficial)

dorsiflexion of the foot.(deep)

Sensory loss on lateral leg(superficial)

Sensory loss on dorsum of foot(deep)
Term
Calcaneal tendon
(Achilies)
Definition
Plantaris, Soleus, Gastrocnemius tendons make the calcaneal
Term
Sural Nerve
Definition
Formed from branches of tibial and fibular

Lies on calcaneal tendon and accompanies small saphenous v posterior to lateral malleolus

Important in balance.

Provides sensation of posterior leg, heel,
Term
Tibial nerve
Definition
lies on poplitelus muscle. Runs into foot with posterior tibial artery

Divides into medial and lateral plantar nerves in foot

Injury -> sensory loss in sole of foot. Motor loss in calf and plantar foot
Term
Trochlea on Talus
Definition
Narrow posterior width: loosely gripped
by the malleoli during plantar flexion.
most unstable

Wide anterior Width: Tightly gripped by
the malleoli during extension (dorsiflexion). Most stable
Term
Femoral hernia
Definition
passes below inguinal ligament ->through remoral ring -> into femoral canal

may protrude though saphenous hiatus

Dangerous: sac may become strangulated
Aberrant obturator a. is vulnerable during repair
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