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Lower Limb and Walking

Case Report: Nutrient Supplement to Augment Walking Distance

The potential benefits of a nutrient supplement ingested after fatiguing ambulation on gait parameters over a 2-week period were described by Nash et al. (2007). Participants were randomized to receive either a blended drink containing whey protein and carbohydrates or a placebo control consisting of soy protein in the first 2 weeks of training. Following a 2-week washout period, participants returned to receive the other supplement. After 2-weeks of ingesting the whey protein and carbohydrate supplement post-exercise, participants were able to walk longer and farther than if they ingested the placebo control. Whey protein and carbohydrate supplements are commonly used to facilitate recovery following intense exercise in the able-bodied population. This is the first report to demonstrate the potential benefits of such nutrient supplementation in the SCI population.

Author Year; Country
Score
Research Design
ample Size
 Methods  Outcomes

Nash et al. 2007; USA
PEDro=6
RCT w/crossover
Level 1
N=3

Population: 3 females and males; age 34-43 yrs; all participants had an incomplete SCI; C5-T4 lesion level; mean 11.3 yrs post-injury
Treatment: Blended drink containing 48 g of vanilla-flavored whey and 1g/kg of body weight maltodextrin.
Outcome Measures: Distance walked
  1. Ambulation time to fatigue was 17.8% longer (32.0 min vs 27.1 min) and distance walked to fatigue was 37.9% longer (470m vs 341m) with the whey and maltodextrin supplement than with the placebo soy drink.
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