gait analysis set-up for measurement
TRANSCRIPT
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Basics in angle Basics in angle measurement and body measurement and body
markingmarking
Leg Leg axisaxis frontal, dorsalfrontal, dorsal
KneeKnee kinematicskinematics
-- TibiarotationTibiarotation to to thethe femurfemur
Regions of the interest
Regions of the interest
Leg Leg axisaxis sagittalsagittal
rotation rotation upperupper bodybody
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Marker points frontal dorsal
SpinaSpina iliacailiaca anterioranterior superiorsuperiorSIASSIAS
((invisibleinvisible))
CalcaneusCalcaneus, , distaldistal
MidMid buttocksbuttocks faltfalt
[[SulcusSulcus glutealisglutealis]]
MidMid kneeknee jointjoint faltfalt
[[FossaFossa popliteapoplitea]]
CalcaneusCalcaneus proximalproximal --fromfrom lateral lateral
MidMidGastrocnemiusGastrocnemius
((calfcalf musculaturemusculature))
SpinaSpina iliacailiaca posteriorposterior superiorsuperiorSIPSSIPS
Measure the Achilles`tendon angle
AA
BBCC
Measure the Achilles`tendon angle
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Marker Marker pointspoints in in thethe practicepractice
Excursus track width
AA
BB
CC
AA
BB
CC
Reference value AT-AnglezWarning: The AT-Angle
is only adaptive, ifthere`s no Overcrossing!
„„OvercrossingOvercrossing““TheThe feetfeet
((specifyspecify thethe midmidof of thethe CalcaenusCalcaenus))
overcrossesovercrosses thethe median median axisaxis duringduring thethe runrun..
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Measure the Heel-Ground-angle
Calibration running machine / ground
FixedFixed roomroom connectionconnection
in in thethe orthogonal orthogonal systemsystem
Reference value Heel- Ground- Angle
Supinator Neutral foot Hyper-pronator
HG angle endless- 2° Varus
2° Varus-4° Valgus
+ 4° Valgus -endless
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Marker points frontal dorsal
Marker sagittalTrochanterTrochanter majormajor
KneeKnee pivotpivot pointpoint
MalleoulsMalleouls lateralislateralis
Marker sagittal
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Knee pivot point
Marker leg axis sagittal
A= 60%; B= 40%; C= 19 mmA= 60%; B= 40%; C= 19 mm
Marker sagittal
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Foot marker from lateral
Reference value lateral
Reference value lateralz Flexion of leg axisz 30°-40°
z Thight orientation to thehorizontale
z 15°-20°
z Dorsal flexion of the upperankle joint in mid stance
z 15°-20°
z Lower calf orientation to horizontal
z 15°-20°
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Finished leg axis marker set up
The knee
Marker points of the knee
AppexAppex TuberositasTuberositas TibiaeTibiae
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Marker points of the patellae
Knee movement pattern of a varus leg axis
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Reference value leg axis frontal- dorsalzLeg axis = z 3° varus - 3° valgus
zWarning I: The leg axis angle is veryaddicted to skin rotation.
z At adipose subjects, the angle is onlyconditional informative because of themassive skin adjustments.
zWarning II: Sometimes is not easy to markthe leg axis (private sphere)!
Reference value leg axis to vertical
z thight = 7° Adduction
zLower calf = 7° Adduction
Position of the tight in the room:
Can only be adducted!
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Lower calf to the room:
Can only be adducted to!
zThank you foryour attention!
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