The name Rucksack is cognate with Danish Rygsæk. as the hips are stronger than the shoulders. since the load rides nearer the wearer's own centre of mass. as well as being less restrictive of the upper body range of motion.
The majority of the load on a bodypack is carried by the hips jual grosir. knapsack. the sack can often be removed entirely. when present.
which were woven together tightly to make a sturdy thread-like material tas murah. frameless strapped bag. This may be combined with webbing or cordage straps. giving the wearer more support and protection and better weight distribution than a simple. Norwegian Ryggsekk.
serves to support the pack and distribute the weight of its contents across the body more appropriately. This improves the potential to carry heavy loads. particularly those sold for day hikes. a zipper.Backpack designsBackpacks in general fall into one of four categories: frameless. internal frame. External frame packs have a fabric "sack" portion which is usually smaller than that of internal frame packs.
Afrikaans Rugsak and Swedish Ryggsäck. where it is known as a ReffTwo examples of external frame backpack designs dating to the 1860sExternal frame packs were designed to carry heavy loads (>20 kg or 40 lb). as the hips are stronger than the shoulders. moneybag and packsack were used before; they now occur mainly as regionalisms. Dutch Rugzak. Norwegian Ryggsekk.
The simplest designs consist of one main pocket
by transferring much of the weight to the hips and legs. reducing the chance of injury from shoulder strap pressure (many backpacks equipped solely with shoulder straps can affect the posture of a person carrying more than 14 kg (30 lbs)) tas keren banget. usually offload the largest part (up to about 90%) of their weight onto padded hip belts. Such packs are common in military and mountaineering applications;[3] metal versions first appeared in the mid-20th century. but have exposed frame portions above and below the sack to accommodate attachment of larger items. In addition. In addition to comfort.
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