normal gait (1st lecture) Flashcards
how much BW does the head and arms support ? and trunk?
HA= 25%
trunk = 50%
at 1 year old what type of guard and gait do you have
high guard and fast gait
at 1 year of age what kind of strike and steps do you have
foot flat strike and shirt steps
at 18 months how is the gait
more natural with heel strike and arm swing
at 2-3 years old what can they do for gait
walk on tip toes and hip
normla BOS
at gait initiation there is a shift of COP towards the ___ limb by ____ of swing hip producing coronal toque
support
abd
during gait initiation there is an activation of what 2 muscles and inhibit the ___
ant tib and vastus lateralis
inhibit the gastroc
what is the rancho los amgios terminology for gait
R foot heel strike is initial contact
R foot flat is loading response
mid stance
R heel off is terminal stance
R toe off is pre swing
R knee flexion is initial swing
R mid swing
R heel strike is terminal swing
gait cycle =
60% stance + 40% swing
what is the gait cycle
from IC (heel strike) to IC (heel stike) of same limb
how many periods during the gait cycle is there double limb support
2
how much is single limb support in gait cycle
80%
according to ranches los amigos what is the stance phase
IC to PS
according to the book when is stance phase
heel strike to toe off
when is swing phase according to RLA
initial -mid -terminal swing
according to the book when is swing phase
toe off to heel strike
when is there weight acceptance during gait
IC and LR
when is there single limb support in the gait cycle
Mid stance and terminal stance
when is there swing limb advancement in gait
Pre swing > ISw > MSw > TSw
when is it considered mid stance
foot flat on ground
when is it considered terminal stance
heel off the ground : weight transferred to forefoot
when is it considered terminal stance
toe off ; IC of contralateral limb
end of stance phase
what phase of swing does the knee began to extend
mid
during what phase of swing does the thigh begin to advance
initial swing
if the right leg is in IC what is happening to the Left leg
Pre swing
if the right leg is in LR what is the left leg doing
pre seing
if the right leg is in mid stance what is the left leg doing
initial swing and mid swing
if the right leg is in terminal stance what is the left leg doing
terminal swing
if the right leg this in pre swing what is the left leg doing
IC and LR
if the right leg is in initial swing and mid swing what is the left leg doing
mid stance
if the right leg is doing terminal swing what is the left leg doing
terminal stance e
what is stride length
heel strike to heel strike same leg
what is step length
right heel strike to left heel strike (vise versa)
what is the mean and range for step width
mean = 3.5 in
range = 1-5 in
what is the normal deg of toe out for men
7
what is the normal cadence
100-121 spm
10 m walk test is assessing gait ___ and 6 min walk test is assessing gait __
speed
endurance
what is the critical event for IC
heel first contact
what is the normal hip flexion , knee flexion andd ankle rom during initial contact
hip flexion : 20°
knee flexion: 5°
ankle : 0°
what is the normal hip flexion , knee flexion andd ankle rom during loading response
hip flexion: 20°
knee flexion : 15°
ankle: 5*
what is the critical events in LR
hip stability
controlled knee flex and ankle PF
what is the normal hip flexion , knee flexion andd ankle rom during mid stance
HF: 0°
KF: 5°
ankle: 5*
what is the critical event in mid stance
controlled tibial advancement
what is the normal hip extension , knee flexion andd ankle DF and toe extension rom during terminal stance
hip extension: 20°
knee flexion : 5°
ankle DF: 10*
toes ext: 30° MTP
what is the critical events at terminal stance
controlled. ankle DF w heel rise
what is the normal hip extension , knee flexion andd ankle PF and toe extension rom during pre swing
HE: 10°
KF: 40°
ankle PF: 15°
TE: 60° MTP
what is the critical events during pre swing
passive knee flexion to 40°
ankle PF
what is the normal hip flexion , knee flexion andd ankle PF rom during initial swing
HF: 15°
knee flex: 60°
ankle PF: 5°
what are the critical events during initial swing
hip flexion 15°
knee flexion to 60°
what is the normal hip flexion , knee flexion andd ankle DF rom during mid swing
HF: 25°
KF: 25°
DF: 0°
what is the critical events in mid swing
further hip flexion to 25° and ankle DF to 0
what is the normal hip flexion , knee flexion andd ankle DF rom during terminal swing
HF: 20°
KF: 5°
ankle DF : 0
what is the critical events in terminal swing
knee extension
in the pelvis there is a lateral pelvic drop how how many degrees in gait
5° (hip adduction )
in the frontal plane the knee is in neutral during gait except for slight abduction during ….
mid swing
in the frontal plane the ankle does what during IC , and LR
5° inversion during IC and 5° of eversion during LR
in the frontal plane there is overal how may degrees of inversion during push off at the ankle
10-15°
the RLS notes that there is ____ of eversion during LR and goes to neutral during ____ ____
5°
pre swing
what plane is the most variable plane for gait
transverse
int he transverse plane what does the contralateral pelvis do
rotates 4-8° toward the stance limb during early stance (IC to LR)
the pelvis rotation in the transverse plane will increase with what
step length
when does the pelvis rotate 5° forward in gait
IC , LR and terminal swing
when does the pelvis rotate 5° backwards during gait
terminal stance , pre swing, initial swing
when in gait is the pelvis at neutral
mid stance and mid swing
