Influence of posture on arm exercise tolerance and physiologic responses in persons with spinal cord injured paraplegia

Steven P. Hooker; John D. Greenwood; Lara A. Boyd; Marlene R. Hodges; Lisa D. McCune; G. Elizabeth McKenna

doi:10.1007/BF00241655

Influence of posture on arm exercise tolerance and physiologic responses in persons with spinal cord injured paraplegia

Steven P. Hooker, John D. Greenwood, Lara A. Boyd, Marlene R. Hodges, Lisa D. McCune, G. Elizabeth McKenna

Arizona State University

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

This study compared metabolic and cardiopulmonary responses to incremental supine and upright sitting arm crank ergometry (ACE) in nine men with spinal cord injured paraplegia ranging from T1-T5. Both tests consisted of continuous graded ACE from rest to volitional fatigue on a modified electronically braked cycle ergometer with the work rate increased by 8.2 W · min^-1. No significant differences (P>0.05) existed for peak ACE power output ( {Mathematical expression}), oxygen uptake, pulmonary ventilation, respiratory exchange ratio, and O₂ pulse between the two tests. Heart rate and O₂ pulse responses at six submaximal work rates representing 0-58% peak {Mathematical expression} were also not significantly different between postures. These data indicate that ACE tolerance in persons with high-lesion paraplegia was not enhanced when ACE was performed in the supine posture.

Original language	English (US)
Pages (from-to)	563-566
Number of pages	4
Journal	European Journal of Applied Physiology and Occupational Physiology
Volume	67
Issue number	6
DOIs	https://doi.org/10.1007/BF00241655
State	Published - Dec 1 1993

Keywords

Heart rate
Paraplegic
Peak oxygen uptake
Venous pooling

ASJC Scopus subject areas

Physiology
Public Health, Environmental and Occupational Health

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10.1007/BF00241655

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title = "Influence of posture on arm exercise tolerance and physiologic responses in persons with spinal cord injured paraplegia",

abstract = "This study compared metabolic and cardiopulmonary responses to incremental supine and upright sitting arm crank ergometry (ACE) in nine men with spinal cord injured paraplegia ranging from T1-T5. Both tests consisted of continuous graded ACE from rest to volitional fatigue on a modified electronically braked cycle ergometer with the work rate increased by 8.2 W · min-1. No significant differences (P>0.05) existed for peak ACE power output ( {Mathematical expression}), oxygen uptake, pulmonary ventilation, respiratory exchange ratio, and O2 pulse between the two tests. Heart rate and O2 pulse responses at six submaximal work rates representing 0-58% peak {Mathematical expression} were also not significantly different between postures. These data indicate that ACE tolerance in persons with high-lesion paraplegia was not enhanced when ACE was performed in the supine posture.",

keywords = "Heart rate, Paraplegic, Peak oxygen uptake, Venous pooling",

author = "Hooker, {Steven P.} and Greenwood, {John D.} and Boyd, {Lara A.} and Hodges, {Marlene R.} and McCune, {Lisa D.} and McKenna, {G. Elizabeth}",

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AU - Hooker, Steven P.

AU - Greenwood, John D.

AU - Boyd, Lara A.

AU - Hodges, Marlene R.

AU - McCune, Lisa D.

AU - McKenna, G. Elizabeth

PY - 1993/12/1

Y1 - 1993/12/1

N2 - This study compared metabolic and cardiopulmonary responses to incremental supine and upright sitting arm crank ergometry (ACE) in nine men with spinal cord injured paraplegia ranging from T1-T5. Both tests consisted of continuous graded ACE from rest to volitional fatigue on a modified electronically braked cycle ergometer with the work rate increased by 8.2 W · min-1. No significant differences (P>0.05) existed for peak ACE power output ( {Mathematical expression}), oxygen uptake, pulmonary ventilation, respiratory exchange ratio, and O2 pulse between the two tests. Heart rate and O2 pulse responses at six submaximal work rates representing 0-58% peak {Mathematical expression} were also not significantly different between postures. These data indicate that ACE tolerance in persons with high-lesion paraplegia was not enhanced when ACE was performed in the supine posture.

AB - This study compared metabolic and cardiopulmonary responses to incremental supine and upright sitting arm crank ergometry (ACE) in nine men with spinal cord injured paraplegia ranging from T1-T5. Both tests consisted of continuous graded ACE from rest to volitional fatigue on a modified electronically braked cycle ergometer with the work rate increased by 8.2 W · min-1. No significant differences (P>0.05) existed for peak ACE power output ( {Mathematical expression}), oxygen uptake, pulmonary ventilation, respiratory exchange ratio, and O2 pulse between the two tests. Heart rate and O2 pulse responses at six submaximal work rates representing 0-58% peak {Mathematical expression} were also not significantly different between postures. These data indicate that ACE tolerance in persons with high-lesion paraplegia was not enhanced when ACE was performed in the supine posture.

KW - Heart rate

KW - Paraplegic

KW - Peak oxygen uptake

KW - Venous pooling

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Influence of posture on arm exercise tolerance and physiologic responses in persons with spinal cord injured paraplegia

Abstract

Keywords

ASJC Scopus subject areas

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