Energy Cost of Physical Activities in Persons with Spinal Cord Injury

Collins, Eileen G.; Gater, David R.; Kiratli, Jenny; Butler, Jolene; Hanson, Karla; Langbein, W. Edwin

doi:10.1249/mss.0b013e3181bb902f

Cited by 134 publications

(160 citation statements)

References 25 publications

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“…In the slow propulsion task, the consumption measured in our work (that is, 7.42 ml kg À1 min À1 ) was almost identical to previous values reported (that is, 7.35-7.4) when the task was executed at a rate of 4.8-4.9 km h À1 . 14,16 Similar results were also observed in previous studies for other tasks, such as working on a computer, 14,26,27 watching TV 27 and moving items. 26,27 Regarding arm-ergometer exercise, we obtained a value of 14.83 ml kg À1 min À1 , and we have found values from 7.66 to 20.55 ml kg À1 min À1 in the previous literature, depending on the power developed and the level of the SCI.…”

Section: Discussionsupporting

confidence: 88%

“…14,16 Similar results were also observed in previous studies for other tasks, such as working on a computer, 14,26,27 watching TV 27 and moving items. 26,27 Regarding arm-ergometer exercise, we obtained a value of 14.83 ml kg À1 min À1 , and we have found values from 7.66 to 20.55 ml kg À1 min À1 in the previous literature, depending on the power developed and the level of the SCI. 14,26,27 The first paper that tried to establish regression equations to estimate the VO 2 in persons with SCI through accelerometry was written by Washburn and Copay in 1999.…”

Section: Discussionsupporting

confidence: 88%

“…26,27 Regarding arm-ergometer exercise, we obtained a value of 14.83 ml kg À1 min À1 , and we have found values from 7.66 to 20.55 ml kg À1 min À1 in the previous literature, depending on the power developed and the level of the SCI. 14,26,27 The first paper that tried to establish regression equations to estimate the VO 2 in persons with SCI through accelerometry was written by Washburn and Copay in 1999. 16 They obtained a simple linear equation using the accelerations of the non-dominant wrist with an standard error of the estimation of 4.99 ml kg À1 min À1 .…”

Section: Discussionmentioning

confidence: 53%

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Validation of the use of Actigraph GT3X accelerometers to estimate energy expenditure in full time manual wheelchair users with spinal cord injury

et al. 2013

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Study design: Cross-sectional validation study. Objectives: The goals of this study were to validate the use of accelerometers by means of multiple linear models (MLMs) to estimate the O 2 consumption (VO 2 ) in paraplegic persons and to determine the best placement for accelerometers on the human body. Setting: Non-hospitalized paraplegics' community. Methods: Twenty participants (age ¼ 40.03 years, weight ¼ 75.8 kg and height ¼ 1.76 m) completed sedentary, propulsion and housework activities for 10 min each. A portable gas analyzer was used to record VO 2 . Additionally, four accelerometers (placed on the non-dominant chest, non-dominant waist and both wrists) were used to collect second-by-second acceleration signals. Minute-byminute VO 2 (ml kg À1 min À1 ) collected from minutes 4 to 7 was used as the dependent variable. Thirty-six features extracted from the acceleration signals were used as independent variables. These variables were, for each axis including the resultant vector, the percentiles 10th, 25th, 50th, 75th and 90th; the autocorrelation with lag of 1 s and three variables extracted from wavelet analysis. The independent variables that were determined to be statistically significant using the forward stepwise method were subsequently analyzed using MLMs. Results: The model obtained for the non-dominant wrist was the most accurate (VO 2 ¼ 4.0558 À0.0318Y 25 þ 0.0107Y 90 þ 0.0051 Y ND2 À0.0061Z ND2 þ 0.0357VR 50 ) with an r-value of 0.86 and a root mean square error of 2.23 ml kg À1 min À1 . Conclusions: The use of MLMs is appropriate to estimate VO 2 by accelerometer data in paraplegic persons. The model obtained to the non-dominant wrist accelerometer (best placement) data improves the previous models for this population.

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Section: Discussionsupporting

confidence: 88%

Section: Discussionsupporting

confidence: 88%

Section: Discussionmentioning

confidence: 53%

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Validation of the use of Actigraph GT3X accelerometers to estimate energy expenditure in full time manual wheelchair users with spinal cord injury

et al. 2013

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“…13,14 Depressive symptoms are often prevalent among these individuals, 15 which in turn may lead to a lack of motivation to exercise. 16 As such, use of a perceptually guided exercise test to estimate .…”

Section: Introductionmentioning

confidence: 99%

The validity of predicting peak oxygen uptake from a perceptually guided graded exercise test during arm exercise in paraplegic individuals

Al-Rahamneh

Eston

2010

Spinal Cord

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Study design: Each participant completed two submaximal, perceptually guided arm crank exercise tests and a graded exercise test (GXT) to volitional exhaustion. Objective: To assess the validity of a submaximal, perceptually guided exercise test to predict peak oxygen uptake ( . VO 2 peak) during arm cranking in paraplegic individuals. Setting: University of Jordan, Amman, Jordan. Participants: Eleven men with paraplegia as a result of poliomyelitis infection or spinal cord injury completed two submaximal perceptually guided exercise tests and an arm crank GXT to volitional exhaustion. Main outcome measures: The prediction of .VO 2 peak was calculated by extrapolating the submaximal rating of perceived exertion (RPE) and .VO 2 values by linear regression to RPE20. Results: There were no significant differences between measured and predicted .VO 2 peak from the three submaximal ranges of the RPE (that is, 9-13, 9-15 and 9-17) when extrapolated to RPE20 during both perceptually guided exercise tests (all P40.05). However, the second perceptually guided exercise tests provided a more accurate prediction of .VO 2 peak as reflected by narrower 95% limits of agreement and higher intraclass correlation coefficients. Conclusion: This study has shown that .VO 2 peak may be predicted with reasonable accuracy from a perceptually guided exercise test, especially after a full familiarization trial.

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“…Given that some individuals with incomplete SCI may retain the capacity to voluntarily activate muscles in the lower limbs, we anticipated greater muscle activation with the arm-leg exercise equipment than with arm-only (which would translate into increased VO 2 ). Whereas previous work has shown greater metabolic demand for hybrid versus arms-or legs-only exercise in this population, [8][9][10]17 all of these studies have utilised FES. Therefore, it appears that in order for there to be any significant metabolic advantage to hybrid exercise, the equipment must involve electrical stimulation.…”

Section: Discussionmentioning

confidence: 99%

Exercise equipment preferences among adults with spinal cord injury

et al. 2014

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Study design: Cross-sectional. Objectives: To evaluate exercise equipment preferences and compare cardiometabolic demand for passive hybrid and arm-only exercise among adults with paraplegia (PP) and those with tetraplegia (TP). Setting: Four community exercise programmes. Methods: Thirty-six adults (mean age: 41.1 ± 12.1 years) with chronic (11.4 ± 10.7 years post injury) TP (C3-C8; n ¼ 17) or PP (T3-T12; n ¼ 19) were recruited. Participants completed 20 min of submaximal aerobic exercise at moderate to vigorous intensity on four types of aerobic exercise equipment: arm cycle ergometer (ACE), arm glider (AG), arm-leg recumbent stepper (ALRS), and armleg cycle ergometer (ALCE). Participants also completed 3 sets of 10 repetitions of resistance exercise using wall pulleys (WP) and weight stack (WS) equipment. A questionnaire was administered to evaluate equipment preference. Heart rate (HR) and oxygen uptake (VO 2 ) were measured in a subset of participants (n ¼ 9) during submaximal aerobic exercise. Results: Arm-only exercise modes were perceived as being safer than passive hybrid exercise modes. There were no differences in perceived enjoyment between equipment types and groups. There were significant group but not equipment differences in HR (TP: 101.4 bpm; PP: 124.9 bpm) and VO 2 (TP: 6.5 ml kg À1 min À1 ; PP: 10.5 mL kg À1 min À1 ) during submaximal aerobic exercise. Conclusion: In this cross-community assessment of exercise equipment preferences after spinal cord injury (SCI), arm-only exercise modes were perceived as safer than hybrid exercise modes and there were no differences between equipment types in physiological responses.

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Energy Cost of Physical Activities in Persons with Spinal Cord Injury

Cited by 134 publications

References 25 publications

Validation of the use of Actigraph GT3X accelerometers to estimate energy expenditure in full time manual wheelchair users with spinal cord injury

Validation of the use of Actigraph GT3X accelerometers to estimate energy expenditure in full time manual wheelchair users with spinal cord injury

The validity of predicting peak oxygen uptake from a perceptually guided graded exercise test during arm exercise in paraplegic individuals

Exercise equipment preferences among adults with spinal cord injury

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