Shared Flashcard Set

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Kines
Ankle & Foot
60
Medical
Undergraduate 1
04/11/2010

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Cards

Term
medial, superior projection on calcaneus
Definition
sustentaculum tali (supports medial side of talus & attachment for spring lig., fulcrom for other tendons)
Term
hindfoot
Definition
calcaneus & talus
Term
midfoot
Definition
navicular, cuboid, 1-3 cuneiforms
Term
forefoot
Definition
metatarsals & phalanges
Term
supination
Definition
plantar flexion, inversion & adduction
Term
pronation
Definition
dorsi flexion, eversion & abduction
Term
distal segment away from midline
Definition
valgus
Term
distal segment toward midline
Definition
varus
Term
true ankle joint
Definition
talocrual or talotibial, tenon & mortise joint of tibia, talus & fibula
Term
ROM talocrual (talotibial) joint & closed pack position
Definition
45º-50º plantar flexion, 20º dorsiflexion, dorsiflexion is closed pack
Term
name of joint of talus & calcaneus
Definition
subtalor or talocalcaneal, inseparable from transverse tarsal joint
Term
name of joint of talus/calcaneus & navicular/cuboid
Definition
transverse tarsal or midtarsal joint
Term
where does plantar flexion & dorsiflexion occur?
Definition
talocrural joint
Term
where does inversion/eversion occur?
Definition
subtalar or transverse tarsal joint
Term
what joints contribute to pronation/supination?
Definition
transverse tarsal or midtarsal along with tarsometatarsal or "Lisfranc" joints
Term
motions of MTP joints
Definition
flexion, extension, hyperextension, abduction, adduction, first most mobil
Term
ROM MTP joints 2-5
Definition
40º flexion, 45º hyperextension
Term
ROM 1st MTP joint
Definition
45º flexion, 90º hyperextension
Term
motions & type of joint, IP joints
Definition
flexion/extension, hinge joint
Term
ligament that supports medial ankle
Definition
deltoid ligament (collateral)
Term
4 parts of deltoid ligament (collateral)
Definition
tibionavicular, tibiocalcaneal, posterior tibiotalar, anterior tibiotalar
Term
three lateral collateral ligaments
Definition
anterior talofibular, calcaneofibular, posterior talofibular
Term
common site of ankle inversion sprain
Definition
lateral collateral ligaments
Term
3 points of weight-bearing triangle
Definition
calcaneus, heads of 1st & 5th metatarsals
Term
keystone of medial longitudinal arch
Definition
navicular
Term
keystone of transverse longitudinal arch
Definition
2nd cuneiform
Term
3 muscles responsible for maintaining 3 arches, in addition to shape of bones, plantar ligaments & aponeurosis
Definition
tibialis posterior, peroneus longus, intrinsic muscles
Term
what ligament supports medial side of longitudinal arch, runs sustenaculum tali to navicular?
Definition
spring ligament
Term
what ligament supports the later, longitudinal arch and is longest tarsal ligament?
Definition
long plantar ligament
Term
what are the functions of plantar aponeurosis?
Definition
support longitudinal arches, keep posterior from separating from anterior, prevent "Windlass" effect
Term
muscles that support arches
Definition
invertors, evertors, deep poaterior, peroneus longus
Term
gastroc, O,I,A & N
Definition
O: medial head: medial condyle of femur, lateral head: lateral condyle of femur, I: posterior calcaneus, A: knee flexion, plantar flexion, N: tibial n.
Term
soleus, O,I,A & N
Definition
O: posterior tibia & fibula, I: posterior calcaneus, A: plantar flexion, N: tibial n
Term
plantaris, O,I,A & N
Definition
O: posterior lateral condyle of femur, I: posterior calcaneus, A: weak knee flex & planar flex, N: tibial n.
Term
tibialis posterior, O,I,A & N
Definition
O: interosseous membrane, adjacent tibia & fibula, I: Navicular, most tarsals & metatarsals, A: ankle inversion, assists in plantar flexion, N: tibial n.
Term
flexor hallicus longus, O,I,A & N
Definition
O: posterior fib & interosseous membrane, I: distal phalanx of great toe, A: flexes great toe, assists inv. & plantar flex, N: tibial n.
Term
flexor digitorum longus, O,I,A & N
Definition
O: posterior tibia, I: distal phalanx of four lesser toes, A: glexes the four lesser toes, assists in ankle inv & plantar flex, N: tibial n.
Term
tibialis anterior, O,I,A & N
Definition
O: lateral tibia & interosseus membrane, I: 1st cuneiform & metatarsal, A: inversion & dorsiflexion, I: deep peroneal
Term
extensor hallicus longus, O,I,A & N
Definition
O: fibula & interosseus membrane, I: distal phalanx of great toe, A: extension of great toe, I: deep peroneal
Term
extensor digitorum longus, O,I,A & N
Definition
O: fibula, interosseous membrane & tibia, I: distal phalynx of lesser four toes, A: extend toes, dorsi flex, N: deep peroneal n.
Term
peroneus longus, O,I,A & N
Definition
O: lateral, proximal fibula & interosseous membrane, I: plantar surface of 1st cuneiform & metatarsal, A: eversion, plantar flexion, I: superficial peroneal n.
Term
peroneus brevus O,I,A & N
Definition
O: lateral distal fibula, I: 5th metatarsal, I: superficial peroneal, A: eversion, plantar flex, I: superficial peroneal
Term
peroneus brevis
Definition
O: medial, distal fibula, I: base of 5th metatarsal, A: eversion, dorsiflexion, I: deep peroneal n.
Term
what intrinsic muscle extends PIP joints 2-5?
Definition
extensor digitorum brevis
Term
what intrinsic muscle extends 1st PIP?
Definition
extensor hallicus brevus
Term
what intrinsic muscle abducts the great toe & flexes IP?
Definition
abductor hallucis
Term
what intrinsic muscle flexes PIP of 2-5 joints?
Definition
flexor digitorum brevus
Term
what intrinsic muscle flexes & abducts 5th digit?
Definition
abductor digiti minimi
Term
what intrinsic muscle straightens the diagonal line of pull of flexor digitorum longus?
Definition
quadratus plantae
Term
what intrinsic muscle flexes MPs while extending PIPs & DIPs (tabletop motion)?
Definition
lumbricales
Term
what intrinsic muscle flexes the 1st MP?
Definition
flexor hallicus brevis
Term
what intrinsic muscle adducts and flexes the first digit?
Definition
adductor hallicus
Term
what intrinsic muscle flexes the 5th PIP?
Definition
flexor digiti minimi
Term
what intrinsic muscle abducts the 2-4 digits?
Definition
dorsal interossei
Term
what intrinsic muscle abducts the 2-4 digits?
Definition
dorsal interossei
Term
what intrinsic muscle adducts digits 2-4?
Definition
plantar interossei
Term
what muscles plantarflex?
Definition
gastroc (fast twitch), soleus (slow-sustained)
Term
what muscles dorsiflex? Their paralyzation cause drop foot.
Definition
tibialis anterior, peroneus tertius, extensor digitorum longus, extensor hallicus longus
Term
what muscles invert?
Definition
posterior tibialis, tibialis anterior, extensor hallucis longus
Term
what muscles evert?
Definition
peroneus longus, peroneus brevis, peroneus tertius, extensor digitorum longus
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