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| Titel: |
Comparison of peak cardiopulmonary performance parameters during robotics-assisted treadmill exercise and arm crank ergometry in incomplete spinal cord injury |
| Auteur: |
Jack, Lindsay P. Purcell, Mariel Allan, David B. Hunt, Kenneth J. |
| Verschenen in: |
Technology & health care |
| Paginering: | Jaargang 18 (2010) nr. 4-5 pagina's 285-296 |
| Jaar: |
2010-11-09 |
| Inhoud: |
Objective: (i) to compare cardiopulmonary performance parameters obtained from incremental exercise tests (IETs) performed using a robotics-assisted treadmill and an arm crank ergometer; (ii) to investigate test-retest reliability during both modes of exercise. Design: Each participant performed two IETs to the limit of tolerance on both a robotics-assisted treadmill and an arm crank ergometer. Setting: A Spinal Injuries Unit in the United Kingdom. Participants: 10 people with an incomplete spinal cord injury (SCI). Interventions: Not applicable. Main Outcome Measures: Peak oxygen uptake (VO_{2peak}), the gas exchange threshold (GET), peak heart rate (HR_{peak}) and peak lactate (Lactate_{peak}) were obtained for each mode of assessment. The mean responses and test-retest reliability of the main outcome measures were determined and compared between modes of assessment. Results: VO_{2peak} was 16% higher (p= 0.016) and the VO_2 at the GET was 40% higher (p =0.007) during the robotics-assisted treadmill exercise (RATE) IET. There was a trend for HR_{peak} to be higher during arm crank ergometry (ACE) (p=0.058). Lactate_{peak} was 46% higher (p=0.006) during the ACE IET. During robotics-assisted exercise, the test-retest reliability was very high for VO_{2peak} (r=0.95), high for the GET (r=0.75) and HR_{peak} (r=0.88), and moderate for Lactate_{peak} (r=0.58). For ACE, the test-retest reliability was very high for VO_{2peak} (r=0.93), high for HR_{peak} (r =0.81) and Lactate_{peak} (r=0.78), and low for the GET (r=0.16). Conclusions: The results suggest that, when compared with ACE, RATE can be a highly effective stressor of the cardiopulmonary system, and may be a more appropriate mode of assessment to determine and monitor cardiopulmonary fitness in people with incomplete SCI. |
| Uitgever: |
IOS Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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