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Ant/Lat Leg & Dorsum of Foot
Ant/Lat Leg & Dorsum of Foot
150
Anatomy
Graduate
10/29/2014

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Term
fascial compartments of the ant/lat leg
Definition
deep, anterior, lateral, posterior
Term
the tibia and fibula are joined by what
Definition
interosseous membrane
Term
deep fascia aka
Definition
crural fascia
Term
the deep fascia/crural fascia is continuous with what
Definition
fascia lata
Term
the deep fascia attaches from what
Definition
anterior borders of the tibia
Term
the deep fascia attaches to what
Definition
medial borders of tibia
Term
deep fascia divides muscles with anterior, posterior, transverse
Definition
crural septa
Term
the anterior, posterior, and transverse crural septa divide muscles into what
Definition
3 crural compartments
Term
the anterior compartment contains the mm that control what
Definition
foot dorsiflexion, extension of toes
Term
anterior compartment is supplied by what nn
Definition
deep fibular nn
Term
deep fibural nn spinal lvl
Definition
L4-S1
Term
deep fibular nn is a branch of what nn
Definition
common fibular nn
Term
arterial supply of the anterior compartment
Definition
anterior tibial aa
Term
anterior tibial aa is the terminal branch of what aa
Definition
popliteal aa
Term
teh lateral compartment contains muscles that controls these actiosn
Definition
foot eversion, plantar flexion
Term
the lateral compartment is supplied by wha tnn
Definition
superficial fibular nn
Term
superficial fibular nn spinal lvl
Definition
L5-S2
Term
superficial fibular nn is a branch of what
Definition
common fibular nn
Term
lateral compartment is supplied by what artery
Definition
muscular branches of fibular aa
Term
muscular branches of fibular aa is a branch of waht
Definition
posterior tibial aa
Term
posteroir compartment contains muscles which control which actions
Definition
plantar flexion of foot, flexion of toes
Term
posterior compartment is supplied by what nerves
Definition
tibial nn
Term
tibial nn spinal lvl
Definition
L4-S3
Term
tibial nn is a division of what nn
Definition
sciatic nn
Term
posterior compartment is supplied by what aa
Definition
posterior tibial aa and its branch fibular aa
Term
the posterior tibial aa is the terminal branch of what aa
Definition
popliteal aa
Term
fibular aa is a branch of what artery
Definition
posterior tibial
Term
extensor retinacula prevents bowstringing of tendons of what
Definition
anterior and lateral crural comaprtments
Term
the superior extensor retinacula is aboce what
Definition
lateral and medial malleoli
Term
the superior extensor retinacula stretches from what
Definition
fib to tib
Term
the inferior extensor retinacula is below what
Definition
malleoli
Term
the inferior extensor retinacula takes what shape
Definition
Y-shape
Term
extesnor retinacula attaches to what
Definition
calcaneous
Term
shin bone
Definition
tibia
Term
role of the tibia
Definition
supports body's weight
Term
lateral and medial condyles are topped by what
Definition
tibial plateaus
Term
the lateral and medial condyles of the tibia articulate with what
Definition
condyles of femur at knee
Term
the intercondylar eminence of the tibia fits into the ______ ______ of the femur
Definition
intercondylar notch
Term
the tuberosity of the tibia serves as an attachtment for what
Definition
patellar ligament
Term
prominence at distal inner end of tibia
Definition
medial malleous
Term
medial malleolus is a site for what common injuries (2)
Definition
vulnerability to fractures, frequent painful bruising
Term
what parts of the medial malleolus are subcutaneous
Definition
sharp anterior border and medial surface
Term
lateral bone of the leg
Definition
fibula
Term
role of the fibula
Definition
mostly muscle attachment, provides little support
Term
head of the fibula provides attachment for what mm
Definition
biceps femoris
Term
head of fibula ligament attachments
Definition
lateral collateral ligament of knee
Term
the neck of the fibula is crossed by what nn
Definition
common fibular nn
Term
the common fibular nn crosses the neck of the fibula by winding anteriorly from where?
Definition
popliteal fossa
Term
the common fibular nn is vulnerable to injury wheere
Definition
neck of fibula
Term
prominence at distal outer end of fibula
Definition
lateral malleolus
Term
which malleolus is lower and more posterior?
Definition
lateral malleolus
Term
how many tarsal bones in the foot
Definition
7
Term
how many metatarsals in the foot
Definition
5
Term
how many phalanges in the foot
Definition
14
Term
which is the most superior tarsal
Definition
talus
Term
what is the only tarsal of the ankle joint
Definition
talus
Term
ankle joint aka
Definition
talocrural joint
Term
talus fits into space created by what
Definition
tib and fib
Term
the talus is wedge-shaped, with the anterior aspect _______ than the posterior aspect
Definition
wider
Term
calcaneus aka
Definition
heelbone
Term
which is the largest tarsal
Definition
calcaneus
Term
the calcaneus articulates with what (3)
Definition
talus, navicular, and cuboid
Term
navicular bone is what shaped
Definition
boat
Term
the navicular articulates with what bones posteriorly?
Definition
talus and calcaneus
Term
the navicular articulates with what bones anteriorly
Definition
cuneiforms
Term
which tarsal is part of the medial longitudinal arch of the foot
Definition
navicular
Term
cuboid articulates with what
Definition
calcaneus, 4th and 5th metatarsals
Term
how many cuneiforms are there
Definition
3
Term
cuneiform bones are named how (2 ways)
Definition
medial, intermediate, lateral or 1st, 2nd, 3rd
Term
cuneiforms articulate with what posteriorly
Definition
navicular
Term
cuneiforms articulate with what anteriorly
Definition
metatarsals 1-3
Term
the metatarsals number how
Definition
medial to lateral
Term
metatarsal I is the base of what digit
Definition
great toe
Term
metatarsal I is supported by two small what
Definition
sesamoid bones
Term
the small sesamoid bones which support metatarsal I are locaed where
Definition
tendons of flexor hallicus brevis
Term
which metatarsal is the longeste
Definition
II
Term
metatarsal II wedges in against what
Definition
cuneiforms
Term
metatarsal II wedges between what
Definition
metatarsal I, metatarsal III
Term
which metatarsal is suscpetible to march fracutres
Definition
metatarsal II
Term
which metatarsal has a large posterior tuberosity
Definition
metatarsal V
Term
posterior tuberosity of metatarsal V provides attachment for what
Definition
fibular brevis mm
Term
muscles of anterior crural compartment are innervated by what
Definition
deep fibular nn
Term
deep fibular nn spinal lvl
Definition
l4-s1
Term
tibilais anterior innervation
Definition
deep fibular nn
Term
muscles of the anterior crural compartment
Definition
extensor hallucis longus, tibialis anterior, extensor digitorum longus, fibularis tertius
Term
extensor hallicus longus innervation
Definition
deep fibular nn
Term
extensor digitorum longus innervation
Definition
deep fibular nn
Term
fibularis tertius innervation
Definition
deep fibular nn
Term
tibailis anterior origin
Definition
superolateral surface of tibia & adjacent crural fascia
Term
tibialis anterior insertion
Definition
plantar aspect of 1st cuneiform & base of metatarsal I
Term
tibialis aanterior actions (2)
Definition
inversion, dorsiflexion
Term
damage to deep fibular nn causes what
Definition
foot drop
Term
swelling of tibialis anterior causes what
Definition
shin splints
Term
extensor hallucis longus origin
Definition
midanterior surface of fibula and interosseous membrane
Term
extensor hallicus longus insertion
Definition
dorsum of distal phalanx of hallux (great toe)
Term
extensor hallucis longus action (2)
Definition
dorsiflexion of foot, extension of great toe
Term
extensor digitorum longus origin
Definition
anterior surface of fibula and interosseous membrane
Term
extensor digitorum longus instertion
Definition
middle and distal phalanges of lateral 4 digits
Term
extensor digitorum longus action
Definition
extension of toes, dorsiflexion of toes
Term
inferior fleshy accessory mm to extensor digitorum longus
Definition
fibularis tertius
Term
fibularis teritus origin
Definition
anterior surface of fibular and inferior third of interosseous membrane
Term
fibularis teritus insertion
Definition
base of fifth metatarsal
Term
fibularis tertiius actions (2)
Definition
dorsiflexion and eversion of foot
Term
lateral crural comparment mm are all innervated by what
Definition
superficial fibular nn
Term
superficial fibular nn spinal lvls
Definition
L5-S2
Term
mm of lateral crural compartment
Definition
fibularis longus, fibularis brevis
Term
fibularis longus innervation
Definition
superficial fibular nn
Term
fibularis brevis innervation
Definition
superficial fibular nn
Term
fibularis longus origin
Definition
lateral surface of fibula (superior 1/3)
Term
fibularis longus insertion
Definition
base of metatarsal I
Term
fibularis longus inserts onto base of metatarsal I via tendon passing behind what 2 features
Definition
lateral malleolus, groove on inferior surface of cuboid
Term
fibularis longus actions
Definition
eversion, plantar flexion of foot
Term
fibularis brevis origin
Definition
inferior 2/3 of lateral surface of fibula
Term
fibularis brevis insertion
Definition
tuberosity of metatarsal V
Term
fibularis brevis actions
Definition
eversion and plantar flexion of foot
Term
mm of the dorsum of foot
Definition
extensor hallicus brevis, extensor digitorum brevis
Term
muscles of dorsum of foot are all innervated by what
Definition
deep fibular nn
Term
deep fibular nn spinal lvl (when on dorsum of foot)
Definition
S1-S2
Term
extensor hallicus brevis origin
Definition
dorsal anterior surface of calcaneus
Term
extensor hallicus brevis insertion
Definition
base of proximal phalanx of toe
Term
extensor hallucis brevis action
Definition
extension of great toe, assists extensor hallucis longus
Term
extensor digitorum brevis origin
Definition
dorsal anterior surface of calcaneus
Term
extensor digitorum brevis insertion
Definition
extensor digitorum longus tendons of digits 2-4
Term
extensor digitorum brevis actions
Definition
extension of digits II-V, assits extensor digitorum longus
Term
3 cutaneous nn of the ant/lat leg & dorsum of foot
Definition
saphenous, superficial fibular, deep fibular
Term
saphenous nn comes from what via medial asepct of knee
Definition
adductor canal
Term
saphenous nn supplies what cutaneously
Definition
skin of anteromedial surface of leg
Term
saphenous nn spinal lvl
Definition
L2-L4
Term
superficial fibular nn supplies what cutaneous
Definition
skin of distal 1/3 of anterolateral leg nearly all of dorsum of foot and toes
Term
superficial fibular nn spinal lvls
Definition
L5-S2
Term
deep fibular nn supplies what
Definition
wedged shaped area proximal to 1st and 2nd toes
Term
deep fibular nn spinal lvls for sensory to dorsum of foot
Definition
L4-L5
Term
deep fibular nn spinal lvls for motor to dorsum of foot
Definition
S1-S2
Term
anterior tibial artery is the terminal branch of what
Definition
popliteal aa
Term
anterior tibial aa dives over what to supply anterior compartment
Definition
interosseous membrane
Term
fibular aa is a branch of what artery
Definition
posterior tibial aa
Term
fibular aa sends muscular branches through what to supply lateral compartment
Definition
posterior crural fascia
Term
dorsalis pedis is a continuation of what aa
Definition
anterior tibial aa
Term
anterior tibial aa becomes dorsalis pedis where
Definition
at dorsum of foot
Term
a deep branch of dorsalis pedis dives between what metatarsals to communicate with plantar arterial arch?
Definition
metatarsal I and II
Term
dorsalis pedis aa dives between metatarsals I and II to communicate with what
Definition
planter arterial arch
Term
ankle joint aka
Definition
talocrural joint
Term
ankle joint is what kind of joint
Definition
hinge joint
Term
ankle joint is made up of what bones
Definition
tibia and fibula mortised with trochlea of talus
Term
the ankle joint is stronger in which motion of the foot
Definition
dorsliflexion
Term
why is the ankle stronger in dorsiflexion
Definition
tibia and fibular rest on wider part of trochlea
Term
medial collateral (deltoid) ligament of talocrural is compromised of how many subtle thickening
Definition
4
Term
4 thickenings of the medial collateral (deltoid) ligament of talocrural
Definition
anterior tibiotaler, posterior tibiotalar, tibionavicular, tibiocalcaneal
Term
lateral collatera ligament of talocrural joint is made up of how many thickenings
Definition
3
Term
3 thickenings of talocrural lateral collateral ligament
Definition
anterior and posterior talofibular, calcanoeofibular ligaments
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