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Khumbu Ice River is one of the most dangerous stages of the southern route

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A successful expedition would take 2 months total due to thin air. Travelers would spend a lot of time at base came to force their bodies to make physical changes to adapt to the thin air.

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people who are going to scale Mount Everest will need to be very strong, have good endurance, have a
It of patience and good muscular endurance

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Weight balance to release back problems.

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Weight balance to release back problems.

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evaluate-after changes have been made to relaese back pain, how acsessable will the back pack be.

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Anders,M. "Backpack Basics".  Boy's Life

Mark Anders give information on how you should choose your backpack.
Backpacks should be made for you. You should measure your torso and your hips because that is where most of the weight will be.  It also explains how much weight you should be carring

This article gives information on how the backpack should fit. Perhaps the Sherpas are having back problems because their backpacks are not fitting correctly. This is useful because it will help us to know how to distribute the weight and how to design comfort wise.

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Important User Information: Remote access to EBSCO's databases is permitted to patrons of subscribing institutions accessing from remote locations for personal, non-commercial use. However, remote access to EBSCO's databases from non-subscribing institutions is not allowed if the purpose of the use is for commercial gain through cost reduction or avoidance for a non-subscribing institution.

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One what would be the darkest day in history on the worlds tallest mountain

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One what would be the darkest day in history on the worlds tallest mountain

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Problem Solved: Lower-Back Pain: EBSCOhost

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The X8 was design specifically to reduce back-pain. In order to eliminate back-pain, X8 has padding to support the lower back.  This padding helps you maintain good posture to take away any stress on the lower back. The X8 also has  developed adjustable straps at the hips, to support where the majority of the weight is being carried. The X8 is also made of very light weight fabric to take away any strain on the lower back.