Flashcards in Lower Leg Deck (75):
what is in superficial fascia of lower limb
Saphenous veins (great and small)
Lymphatics and nodes
Fat and CT
what is purpose of deep fascia lata of lower limb?
covers thigh muscles including gluteals
assists in venous return
Femoral Canal travels under the ____
lateral to medial contents of femoral canal
Femoral N, A, V and inguinal lymph node chain
_____ branches off after passing thorugh femoral canal
what are 3 main nerves of lower leg
obturatior (from L plexus)
femoral ( L plexus)
Sciatic (sacral plexus)
all motor and almost all sensory below knee innervated by___
however saphenous n. carries some sensory here
lumbar plexus forms the ____
femoral n. anterior
lumbar plexus serves the
anterior compartment of the thigh
lumbar plexus is
what does lumbosacral plexus form?
posterior portion of sciatic n.
what does lumbosacral plexus supply?
posterior compartments of thigh AND lower leg
what is "retractor" nerve injury
stretch / compression of pelvic nerves:
femoral, obturator, genitofemoral
positioning nerve injury with lateral leg pressure
fibular n. compression
what does femoral artery travel through?
femoral artery changes name to ____ as it enters the ___ fossa
obturator artery is a branch off of what?
the anterior division of the internal iliac artery
obturator artery travels through what?
obturator foramen and gives blood supply to adductor muscles and to the femoral head collaterally
--- is the cannulation site for cardiac procedures
lower leg has a ___ compartment in addition to ant and post and
upper leg has a ___ compartment in addition to ant and post
lower leg has: medial compartment
upper leg has a: lateral compartment
muscles of lower leg ant. compartment
anterior tibialis, extensor digitorum longus, peroneus brevis
digitorum longus? and tibialis postioer muscle and flexor halliucis muscle
lateral ll compartment muscles
peroneus longus muscle
gastrocnemius muscle, soleus muscle
nerve of anterior compartment
deep fibular nerve
n. superficial and deep post
n. of lateral compartment
superficial peroneal n
sural n. braches off
tibal and common fibular n.
tom dick and harry muscles live in
deep posterior compartment lower leg
ticep surae, gastroc, soleus and plataris live
superficial post comp
fibularis longus and fibularis brevis live
peroneal n aka
syndesmosis flexibility depends on
length of fibers
slightly movable joints
freely movable joints
4 possible joint structures
bony fusions, fibrous, cartilaginous, synovial
2 kinds of cartilaginous jts
cartilaginous joints do not have
a joint cavity they are 2 bones that articulate with cartilage
first rib and manubrium
synovial joint has
hyaline art. cartilage
joint cavity with synovial fluid
jt capsule 2 layers (outer: fibrous cap, inner: synovial membrane)
what does a articular capsule line?
areas of jt that are not covered by cartilage
synovial fluid is ___ filtrate full of ___
blood filtrate with glycoproteins
role of synovial fluid
lubricate joint and nourishes cartilage
where do joint blood rge capillary supply come from?
vessels from overlying muscles
large capillary beds present in synovial membrane - similar to choroid
joint nerves sense
pain and stretch
ligaments can only stretch ___ before they tear and once they...
6% before tear. once stretched stay stretched
synovial goints do...
gliding, angular mvmts, rotation etc.
knee - femur and patella - gliding
knee - femur and tibia - biaxial
C1 and C2
ball and socket
3 ligaments on femur head
iliofemoral, pubofemoral, ischiofemoral
head of femur into acetabulum
also carries its artery (medial femoral circumflex? )
___largest and most complex jt we have
knee joint .. at least dozen bursa!
acl inserts on the
anterior intercondylar area to lateral condyle femur
post intercondylar to medial condyle femur
cluster of 7 bones between tibial and metatarsals
7 bones of tarsus
calcaneus, talus, cuboid, navicular, cuneiform
during walking.. talus distributes about half the weight to the ____ the rest to the other tarsal bones
distal tib/ fib jt has no..
true motion - ligaments hold together
talocrural jt is
lateral and medial mallelos and talus
plantar and dorsiflexion
hind foot jts..
subtalar jt: talus and calcaneus: inversion and eversion
medial ligament of hindfoot
bones of mid foot
navicular cuboid and 3 cuniformes
inernal arch aka
longitudinal medial and alteral
plantar aponeurosis helps maintain the __ arch
the medial longitudinal arch of foot
transverse arch formed by ___
5 metatarsal bones
plantar fasciitis aka
risk factors for plantar fascitis
female, overweight, inflex calf muscles, flat or high arches
located on medial aspect of heel