What makes a great hiker? I think the answer is… simple and straightforward. People that read my articles each week may be picking their jaws up off the floor. I'll find 10 studies to support my ...
DEAR DR. ROACH: Between walking outside and walking indoors on a treadmill, is one better than the other? -- M.S. ANSWER: Walking outdoors uses additional muscles compared to walking on a treadmill.
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