test 3 review Flashcards by Drew Smith

study muscle actions more weighted to

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lower extremity for diagram

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kinesis diagrams from brunstrums

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strongest ligament of the coxofemoral joint

iliofemoral ligament “y ligament”

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posterior pelvic tilt stresses the anterior aspect

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ccp for coxofemoral joint

extension, internal rotation, abduction

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dislocation of the hip is typically

posterior, often trauma induced

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angle of inclination of the femur

is generally 150 degrees at birth adult is 125-135

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the mechanical axis is located

mostly outside of the femur

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coxa valga

angle of inclination under 135, can cause dislocation of hip, creates a structurally longer leg on the affected side, distal femur adducted, inoment would hike up on same side

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femoral retroversion….

may be due to a femoral neck fracture during infancy

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angle of torsion at birth is ____ in adulthood is ____

40 degrees, 15 degrees

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femoral retroversion causes

toe out stance and frog eye patella, genetic inheritance

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posterior pelvic tilt

is accompanied by lumber flexion and a decreased lordotic curve

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hip hiking; hip abduction occurs on the ____ side

supported side

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hip hiking lateral lumbar flexion occurs to the ____ side

unsupported

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hip hiking observed coxa valga to _____

accomidate increased limb length

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sartorius acts antagonistically with TFL during isolated ____

hip flexion

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say grace before tea pneumonc anterior to posterior insertion for pes anserine

Sartorius graciulis semitendinosus

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glute Medius may observe _______pelvic drop with weakness

contralateral

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glute med key pelvic stabilizer during________

single leg stance

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what does not limit extension of the tibiofemoral joint

coronary ligaments

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coronary ligaments

anchor the menisculs

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lcl limits a ____ force

varus lateral has an R for VARUS

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LCL

cord like and strongest of the ligamets

the medial meniscus is strongly aheard to _____

semimembranosus tendon

the medial meniscus is _______ than the lateral meniscus

C shaped and larger

flexion extension at the tibiofemoral joint ______ is required to achieve the last 15 degrees of extension

external rotation

terminal knee extension in open kinetic chain biceps femoris _____-

rotates the tibia laterally on the fixed femur

genu valgum results in compressive forces ____

laterally

genu valgum presents with an _____ Q angle

increased/ excessive

unlocking mechanism of the knee ____ is responsible for this in open and closed chain

politeus

unlocking mechanism of the knee in closed chain the ____ laterally rotates on the fixed ____

femur, tibia

adductor magnus knee unlocking

hamstrings are more active in____ than _____

closed chain than open

hamstrings most effective contraction generated in slight _____

hip flexion (hamstrings machine in gym at slight flexion)

syndesmosis joints

intermediated tib fib, cubonavicular, distal tib fib

cuneonavicular joint classification

plane synvoial

talocrural joint roll and glide in ht opposite direction

covex talor dome moves on fixed tib

open kintetic chain dorsiflexion talocrural joint

trochlea is wedged between the medial and lateral malleolar facets, tib fib rotated medially, fib adducts slides superiorly

pronation in closed kinetic chain involves

talar head plantar flexes

in open kinetic chain the calcaneus does what two motions

inversion adduction

a laterally rotated tibia in weight bearing will pull the subtalar joint into _____

supination, calcaneovarus

supination twist occurs at

the TMT joints to accommodate hindfoot pronation

the keystone of the medial longitudinal arch is the ____

talus

the _____ ligament limits posterior pelvic tilt during relaxed standing

illiofemoral

which is the only hip flexor that can effectivly flex beyond a 90 degree from a seated position

iliopsoas

excessive hip flexion on heel strike what muscle contributes to this?

glute maximus

which muscle pulls the lateral meniscus posteriorly during full knee flexion to prevent impingement

popliteus

pes cavus unilaterally what do you expect to see?

ipsilateral genu vara

both short and long plantar ligaments help maintain ______

longitudinal arch

Pronation pneumonic

Pro-p-add-i-e

supination pneumonic

Sup-ER-D-Ab-I

A ______ rotated tibia in weight bearing will pull the subtalar joint into pronation (calcaneovalgus)

medially

A ______rotated tibia in weight bearing will pull the subtalar joint into supination (calcaneovarus)

laterally

_____ Adduction/lateral deviation of 1st toe at MTP

hallux valgus

______ Decreased ROM at 1st MTP, especially in extension

Hallux Rigidus

Plantar Arches Formed by MT heads Horizontal, and in full contact with ground

Anterior edge

Plantar Arches Formed by calcaneus & vertical

Posterior Edge

The _____ &______ are the most important supports for the plantar arches

plantar ligaments & plantar aponeurosis

Composed of calcaneus, talus, navicular, cuneiforms and medial three MTs

Medial Longitudinal Arch

Medial Longitudinal Arch keystone is what?

Talus

_____ is Composed of calcaneus, cuboid and lateral two MTs

Lateral Longitudinal Arch

Lateral Longitudinal Arch keystone

Cuboid

_____ is Composed of the cuboid, cuneiforms and MT bases

transverse arch

transverse arch keystone

middle cuneiform

with a Pes Planus (Flatfoot) there is a ____rotation of the tibia, fibula & femur follows in weight bearing

Medial

with a Pes Planus (Flatfoot) The knee moves into a ____ position

valgus

with a Pes Planus (Flatfoot) the pelvis hikes on the _______ side

affected/ same

with a Pes Cavus (Supinated foot) ____rotation of the tibia, fibula & femur follows

Lateral

with a Pes Cavus (Supinated foot) The knee moves into a ____ position

varus

with a Pes Cavus (Supinated foot) the pelvis ____ on same side

drops

the windlass effect causes a ___ of the medial longitudinal arch

elevation

Gastrocnemius and Soleus muscle action first causes hindfoot _____- before plantar flexion

supination (inversion)

gastrocs are most active in _____, soleus in walk/run and maintaining postural sway in standing position

jumping

____major contributor to dynamic medial arch support by controlling and opposing pronation during gait

Tibialis Posterior

what ligaments of the knee are intracapsular but extra synovial?

ACL and PCL