| Walking with an ergonomic backpack designed with bungee cords compared to a 'normal' (i.e., locked) backpack. The ergonomic benefits of the new backpack allow the wearer to carry a 60-lb load for the same metabolic cost as a 48-lb load wit Walking with an ergonomic backpack designed with bungee cords compared to a 'normal' (i.e., locked) backpack. The ergonomic benefits of the new backpack allow the wearer to carry a 60-lb load for the same metabolic cost as a 48-lb load with a normal backpack. (more) (less)   2 ratings |
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