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Preliminary Evaluation of an Automatically Stance-Phase Controlled Pediatric Prosthetic Knee Joint Using Quantitative Gait Analysis  Jan Andrysek, MASc,

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Presentation on theme: "Preliminary Evaluation of an Automatically Stance-Phase Controlled Pediatric Prosthetic Knee Joint Using Quantitative Gait Analysis  Jan Andrysek, MASc,"— Presentation transcript:

1 Preliminary Evaluation of an Automatically Stance-Phase Controlled Pediatric Prosthetic Knee Joint Using Quantitative Gait Analysis  Jan Andrysek, MASc, Susan Redekop, BASc, Stephen Naumann, PhD  Archives of Physical Medicine and Rehabilitation  Volume 88, Issue 4, Pages (April 2007) DOI: /j.apmr Copyright © 2007 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

2 Fig 1 ASPL knee joint mechanism shown unlocked (left) and locked (middle) and in 90° of knee flexion (right). Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2007 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

3 Fig 2 Spatiotemporal measures for: (A) velocity; (B) stride length; (C) cadence; and (D) asymmetry index. NOTE. Median values are presented, with error bars indicating ranges. For the reference group (AB), medians and ranges are shown. The subject numbers on the abscissa correspond to those in table 1. Legend: Light bars indicate conventional knees and darker bars ASPL knees. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2007 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

4 Fig 3 Kinematics for: (A) pelvic obliquity ROM; (B) pelvic tilt ROM; (C) pelvic rotation ROM; (D) hip ROM; (E) knee ROM; and (F) ankle ROM. NOTE. Median values are presented, with error bars indicating ranges. Hollow circles and dark squares indicate the intact and below-knee side data for the conventional and ASPL knees, respectively. For clarity, ranges (error bars) are omitted on the intact and below-knee sides. For the reference group (AB), medians and ranges are reported. The subject numbers on the abscissa correspond to those in table 1. Legend: Light bars indicate conventional knees and darker bars ASPL knees. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2007 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

5 Fig 4 Internal joint moments for: (A) hip moment extension; (B) hip moment flexion; (C) knee moment extension; (D) knee moment flexion; (E) ankle moment dorsiflexion; and (F) ankle moment plantarflexion. NOTE. Median values are presented, with error bars indicating ranges. Hollow circles and dark squares indicate the intact and below-knee side data for the conventional and ASPL knees, respectively. For clarity, ranges (error bars) are omitted on the intact and below-knee sides. For the reference group, medians and ranges are reported. The subject numbers on the abscissa correspond to those in table 1. Abbreviations: DORSI, dorsiflexion; EXT, extension; FLEX, flexion; PLANTAR, plantarflexion. Legend: Light bars indicate conventional knees and darker bars ASPL knees. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2007 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

6 Fig 5 Joint powers for: (A) hip power absorption; (B) hip power generation; (C) knee power absorption; (D) knee power generation; (E) ankle power absorption; and (F) ankle power generation. NOTE. Median values are presented, with error bars indicating ranges. Hollow circles and dark squares indicate the intact and below-knee side data for the conventional and ASPL knees, respectively. For clarity, ranges (error bars) are omitted on the intact and below-knee sides. For the reference group, the median and ranges for the group are provided. The subject numbers on the abscissa correspond to those in table 1. Abbreviations: ABSORB, power absorption; GENERATE, power generation. Legend: Light bars indicate conventional knees and darker bars ASPL knees. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2007 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions


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