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Gait Parameter | Description |
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Spatio-temporal parameters | |
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Velocity (m/s) | mean velocity of progression, normalised to subject’s height |
% stance (%gait cycle) | % of gait cycle that begins with initial contact and ends at toe-off of the same limb |
Step length | longitudinal distance from one foot strike to the next one, normalised to subject’s height |
Step width (mm) | medio-lateral distance between the two feet during double support |
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Kinematics (degrees) | |
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Pelvic Tilt | |
Mean Pelvic Tilt | mean value of motion at pelvic joint on the sagittal graph (Pelvic Tilt graph) during the gait cycle |
ROM Pelvic Tilt | the range of motion at pelvic joint on the sagittal plane (Pelvic Tilt graph) during the gait cycle, calculated as the difference between the maximum and minimum values of the plot |
ROM Pelvic Obliquity | the range of motion at pelvic joint on the frontal plane (Pelvic Obliquity graph) during the gait cycle, calculated as the difference between the maximum and minimum values of the plot |
ROM Pelvic Rotation | the range of motion at pelvic joint on the transversal plane (Pelvic Rotation graph) during the gait cycle, calculated as the difference between the maximum and minimum values of the plot |
Hip Flex-Extension | |
IC | value of Hip Flexion-Extension angle (hip position on sagittal plane) at initial contact, representing the position of hip joint at the beginning of gait cycle |
Min in St | minimum of hip flexion (hip position on sagittal plane) in stance phase, representing the extension ability of hip during this phase of gait cycle |
Mean Hip Rotation | mean value of Hip Rotation angle (hip position on transversal plane) during all the gait cycle |
Knee Flex-Extension | |
IC | value of Knee Flexion-Extension angle (knee position on sagittal plane) at initial contact, representing the position of knee joint at the beginning of gait cycle |
Min in St | minimum of knee flexion (knee position on sagittal plane) in midstance, representing the extension ability of knee during this phase of gait cycle |
Max in Sw | maximum of knee flexion (knee position on sagittal plane) in swing phase, representing the flexion ability of knee joint during this phase of gait cycle |
Ankle Dorsi-Plantarflexion | |
IC | value of the ankle joint angle (on sagittal plane) at the initial contact, representing the position of knee joint at the beginning of gait cycle |
Max in St | maximum of ankle dorsiflexion (on sagittal plane) during stance phase, representing the dorsiflexion ability of ankle joint during this phase of gait cycle |
ROM in St | the range of motion at ankle joint on the sagittal plane (Ankle Dorsi-plantarflexion graph) during stance phase, calculated as the difference between the maximum and minimum values of the plot during stance phase |
Max in Sw | maximum of ankle dorsiflexion (on sagittal plane) during swing phase, representing the dorsiflexion ability of ankle joint in this phase of gait cycle |
Foot progression | |
Mean Foot Progression | mean value of Foot Progression (foot position on the transversal plane) during all the gait cycle |
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Kinetics | |
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Ankle Dorsi-plantarflexion Momen t (N*m/Kg) | |
Max ADPM in St | the maximum value of plantarflexion ankle moment during terminal stance (maximum value of positive ankle moment during terminal stance) |
Ankle Power (W/Kg) | |
Max push-off | the maximum value of generated ankle power during terminal stance (maximum value of positive ankle power during terminal stance) representing the push-off ability of the foot during walking |
Knee Flex-Extension Moment (N*m/Kg) | |
Max KFEM in St | the maximum value of flexor knee moment during terminal stance (maximum value of positive knee moment during terminal stance) |
Knee Power (W/Kg) | |
min in St | the minimum value of absorbed knee power during terminal stance (maximum value of negative knee power during terminal stance) |
Hip Flex-Extension Moment (N*m/Kg) | |
Max HFEM in St | the maximum value of flexor hip moment during stance (maximum value of positive hip moment during stance) |
Hip Power (W/Kg) | |
Max in St | the maximum value of generated hip power during stance (maximum value of positive hip power during stance) |
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