The Threshold of Physical Fitness in terms of Maximum Oxygen Uptake as a Predictive Factor for Achieving Prosthetic Walking in Elderly with Unilateral Trans-femoral Amputation or Hip Disarticulation

Toda, Mitsunori; Chin, Takaaki; Maeda, Noriaki; Kitagawa, A.; Kohno, H

doi:10.17140/semoj-1-120

Cited by 2 publications

(1 citation statement)

References 17 publications

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“…11,12 A higher level of physical fitness is reported as a predictor of successful prosthetic rehabilitation. 13 Moreover, improvement of aerobic capacity has demonstrated positive effects on walking economy, 12 prosthetic ambulatory capacity, 14 and gait symmetry. 15 Whereas most of these studies use 1-leg cycling or other test modalities that involve the lower body, 12,14,16 exercise involving the lower limbs is sometimes discouraged because of the risk of skin infections of the stump and is not feasible during preprosthetic rehabilitation.…”

Section: Introductionmentioning

confidence: 99%

Relationship between level of daily activity and upper-body aerobic capacity in adults with a lower limb amputation

Mellema

Mirtaheri

Gjøvaag

2021

Prosthetics &Amp; Orthotics International

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Background: Previous studies show that people with lower limb amputation (LLA) have a sedentary lifestyle, reduced walking capacity, and low cardiorespiratory fitness (VO 2 peak). There is, however, no knowledge on the relationship between cardiorespiratory fitness and objectively measured level of physical activity in daily life. Objectives: To investigate the relationship between upper-body VO 2 peak, physical activity levels, and walking capacity in persons with LLA.Study design: Correlational and descriptive study. Methods: Fourteen participants with LLA performed an assessment of VO 2 peak on an arm-crank ergometer and walking capacity (preferred walking speed and 2-minute walking test). Level of physical activity was measured over 7 days with a step activity monitor (number of steps; sedentary time; and proportion of low-intensity, moderate-intensity, high-intensity, and peak-intensity activity level). Results: VO 2 peak correlated significantly with number of steps per day (r 5 0.696, p 5 0.006), sedentary time (r 5 20.618, p 5 0.019), high-intensity activity level (r 5 0.769, p 5 0.001), and peak-intensity activity level (r 5 0.674, p 5 0.008). After correcting for age, correlations were still large and significant. Large correlations were also found between VO 2 peak, preferred walking speed (r 5 0.586, p 5 0.027), and 2-minute walking test (r 5 0.649, p 5 0.012). Conclusions: We provide the first evidence of the strong relationships between upper-body VO 2 peak, sedentary behavior, highintensity activity level, and walking capacity in persons with LLA. Further research is needed to investigate the potential effect of upperbody cardiorespiratory fitness on the level of activity in daily life, or vice versa.

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