The word knapsack was the usual name for a rucksack or backpack up until the middle of the 20th century. The name rucksack is cognate with the Danish rygsæk, Norwegian ryggsekk, Dutch rugzak, Afrikaans rugsak, Swedish ryggsäck, and Russian рюкзак ( rjukzak). In modern German the word "der Rucksack" is commonly used. In Middle High German ruck(e) means "back" (dorsum), which led to the Upper German word ruggsack. The word rucksack is a German loanword mainly used in the UK, US and in other Western military forces. Moneybag and packsack were used prior, and now occur mainly as regionalisms. The word backpack was coined in the United States in the 1910s. This improves the potential to carry heavy loads, as the hips are stronger than the shoulders, and also increases agility and balance, since the load rides nearer the wearer's own center of mass. running, cycling, hiking and hydration), usually offload the largest part (up to about 90%) of their weight onto padded hip belts, leaving the shoulder straps mainly for stabilising the load. Large backpacks, used to carry loads over 10 kilograms (22 lb), as well as smaller sports backpacks (e.g. For other uses, see Knapsack (disambiguation).Ī 30 L top and bottom-loading Deuter Trans Alpine hiking backpack A 12 L front-loading Canon 200EG photography backpackĪ backpack-also called knapsack, rucksack, rucksac, pack, sackpack, booksack, bookbag or backsack-is, in its simplest frameless form, a fabric sack carried on one's back and secured with two straps that go over the shoulders, but it can have an external frame, internal frame, and there are bodypacks.īackpacks are commonly used by hikers and students, and are often preferred to handbags for carrying heavy loads or carrying any sort of equipment, because of the limited capacity to carry heavy weights for long periods of time in the hands.
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