Influence of Lower Body Pressure Support on the Walking Patterns of Healthy Children and Adults
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作者:
Kurz, Max J.
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Univ Nebraska Med Ctr, Munroe Meyer Inst Genet & Rehabil, Omaha, NE 68198 USAUniv Nebraska Med Ctr, Munroe Meyer Inst Genet & Rehabil, Omaha, NE 68198 USA
Kurz, Max J.
[1
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Deffeyes, Joan E.
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Univ Nebraska Med Ctr, Munroe Meyer Inst Genet & Rehabil, Omaha, NE 68198 USAUniv Nebraska Med Ctr, Munroe Meyer Inst Genet & Rehabil, Omaha, NE 68198 USA
Deffeyes, Joan E.
[1
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Arpin, David J.
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Univ Nebraska Med Ctr, Munroe Meyer Inst Genet & Rehabil, Omaha, NE 68198 USAUniv Nebraska Med Ctr, Munroe Meyer Inst Genet & Rehabil, Omaha, NE 68198 USA
Arpin, David J.
[1
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Karst, Gregory M.
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Univ Nebraska Med Ctr, Sch Allied Hlth Profess, Div Phys Therapy Educ, Omaha, NE USAUniv Nebraska Med Ctr, Munroe Meyer Inst Genet & Rehabil, Omaha, NE 68198 USA
Karst, Gregory M.
[2
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Stuberg, Wayne A.
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Univ Nebraska Med Ctr, Munroe Meyer Inst Genet & Rehabil, Omaha, NE 68198 USAUniv Nebraska Med Ctr, Munroe Meyer Inst Genet & Rehabil, Omaha, NE 68198 USA
Stuberg, Wayne A.
[1
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机构:
[1] Univ Nebraska Med Ctr, Munroe Meyer Inst Genet & Rehabil, Omaha, NE 68198 USA
[2] Univ Nebraska Med Ctr, Sch Allied Hlth Profess, Div Phys Therapy Educ, Omaha, NE USA
The purpose of this investigation was to evaluate the effect of a lower body positive pressure support system on the joint kinematics and activity of the lower extremity antigravity musculature of adults and children during walking. Adults (age = 25 +/- 4 years) and children (age = 13 +/- 2 years) walked at a preferred speed and a speed that was based on the Froude number, while 0-80% of their body weight was supported. Electrogoniometers were used to monitor knee and ankle joint kinematics. Surface electromyography was used to quantify the magnitude of the vastus lateralis and gastrocnemius muscle activity. There were three key findings: (1) The lower extremity joint angles and activity of the lower extremity antigravity muscles of children did not differ from those of adults. (2) The magnitude of the changes in the lower extremity joint motion and antigravity muscle activity was dependent upon an interaction between body weight support and walking speed. (3) Lower body positive pressure support resulted in reduced activation of the antigravity musculature, and reduced range of motion of the knee and ankle joints.
机构:
Dept. of Physiology and Pharmacology, Queens' Medical Centre, NottinghamDept. of Physiology and Pharmacology, Queens' Medical Centre, Nottingham
Kearney M.T.
Stubbs T.A.
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Dept. of Physiology and Pharmacology, Queens' Medical Centre, NottinghamDept. of Physiology and Pharmacology, Queens' Medical Centre, Nottingham
Stubbs T.A.
Cowley A.J.
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Dept. of Cardiovascular Medicine, Queens' Medical Centre, NottinghamDept. of Physiology and Pharmacology, Queens' Medical Centre, Nottingham
Cowley A.J.
Macdonald I.A.
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Dept. of Physiology and Pharmacology, Queens' Medical Centre, Nottingham
Dept. of Physiology and Pharmacology, Queens' Medical CentreDept. of Physiology and Pharmacology, Queens' Medical Centre, Nottingham
机构:
Brunel Univ, Sch Hlth Sci & Social Care, Rehabil Res Ctr, London, England
Univ Otago, Sch Physiotherapy, Ctr Hlth Act & Rehabil Res, Dunedin 9054, New ZealandBrunel Univ, Sch Hlth Sci & Social Care, Rehabil Res Ctr, London, England
Jayakaran, Prasath
DeSouza, Lorraine
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Brunel Univ, Sch Hlth Sci & Social Care, Rehabil Res Ctr, London, EnglandBrunel Univ, Sch Hlth Sci & Social Care, Rehabil Res Ctr, London, England
DeSouza, Lorraine
Cossar, John
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Brunel Univ, Sch Hlth Sci & Social Care, Rehabil Res Ctr, London, EnglandBrunel Univ, Sch Hlth Sci & Social Care, Rehabil Res Ctr, London, England
Cossar, John
Gilhooly, Kenneth
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Brunel Univ, Sch Hlth Sci & Social Care, Rehabil Res Ctr, London, EnglandBrunel Univ, Sch Hlth Sci & Social Care, Rehabil Res Ctr, London, England