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Your feet may love running shoes. But what about the rest of your body? New research finds that running shoes actually increase the pressure on ankles, knees and hips1—more than high heels can during walking. That’s according to a study in the Journal of Injury, Function and Rehabilitation2.
Researchers enlisted3 68 injury-free runners who normally logged at least 15 miles a week. The subjects ran at their own pace on a treadmill4, first in modern running shoes and then again barefoot. It turns out that running shoes upped the pressure, or torque, on knee joints6 by 38 percent over bare feet. The hips experienced a pressure increase of 54 percent. Walking in inch-and-a-half high stilettos only worsened knee torque by about 20 percent in previous studies.
Since stressful joint5 pressure can cause osteoarthritis, should runners start hitting the pavement in bare feet? Probably not. True, some elite7 marathoners do run sans sneakers. But apparently8 letting the rubber hit the road is like various spiritual rituals: tough on the body, but good for the sole.
—Molly Webster
1 hips | |
abbr.high impact polystyrene 高冲击强度聚苯乙烯,耐冲性聚苯乙烯n.臀部( hip的名词复数 );[建筑学]屋脊;臀围(尺寸);臀部…的 | |
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2 rehabilitation | |
n.康复,悔过自新,修复,复兴,复职,复位 | |
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3 enlisted | |
adj.应募入伍的v.(使)入伍, (使)参军( enlist的过去式和过去分词 );获得(帮助或支持) | |
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4 treadmill | |
n.踏车;单调的工作 | |
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5 joint | |
adj.联合的,共同的;n.关节,接合处;v.连接,贴合 | |
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6 joints | |
接头( joint的名词复数 ); 关节; 公共场所(尤指价格低廉的饮食和娱乐场所) (非正式); 一块烤肉 (英式英语) | |
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7 elite | |
n.精英阶层;实力集团;adj.杰出的,卓越的 | |
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8 apparently | |
adv.显然地;表面上,似乎 | |
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