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Discussion and Conclusion: Our walking exercise program can decrease the resting dyspnea, improve breathing patterns and improve exercise capacity. Supplementing oxygen during walking may not result in a further improvement.

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As well as walking, the trekkers will swim across "leads" between the ice pans, dragging their floatable sleds to avoid losing time walking around open water Photograph: Martin Hartley/Catlin Arctic Survey

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Change walking beam guide structure from slide bush type to glide orbit type, make walking beam move more dexterously and nimble, and with good movement rigidity.

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Walking strengthens muscles without stretching them too much and it puts less pressure on bones and joints.many people are active in what is called fitness walking .they take short walks a few times each week to improve their health .fitness walking can be done almost anywhere and anytime no special equipment is needed.

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