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  3. Walking Barefoot Can Help Prevent Some Injuries Walking barefoot helps to improve balance,posture and prevent common foot in

Walking Barefoot Can Help Prevent Some Injuries Walking barefoot helps to improve balance,posture and prevent common foot in

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问题                 Walking Barefoot Can Help Prevent Some Injuries
    Walking barefoot helps to improve balance,posture and prevent common foot injuries,according to an American researcher. Patrick McKeon,a professor at Ithaca College’ s School of Health Sciences in New York, says the more people go barefoot at home, in the office or outside, the healthier their feet will be.
    He believes the small,often overlooked muscles in the foot play a vital but underestimated role in movement and stability, similar to the core muscles in the abdomen.
    The researcher explained their importance by describing the cycle of feedback between the large "extrinsic"(外在的)muscles in the legs and feet, the smaller "intrinsic"(内部的)muscles in the feet,and the neural connections that send information from them to the brain. When this cycle is broken,it can lead to overuse injuries that most athletes are familiar with.
    Shoes can also have a negative effect on this cycle, McKeon explained. " When you put a big sole underneath,you put a big dampening effect((阻尼效应)on that information. There’s a missing link that connects the body with its environment. "
    Without the information provided by the small muscles in the foot, the larger muscles over-compensate and over-exert beyond the point of their natural ability to maintain and repair themselves. And when these muscles are no longer able to absorb the forces of activity, the forces are transferred to the tendons(肌腱), bones and ligaments(韧带), resulting in an increased risk of injury.
    McKeon says the only way of reintroducing this link and reactivating the cycle is to take off our shoes and strengthen the muscles in our feet by walking barefoot.
The small muscles in the foot are often______.
选项 A、compared with the core muscles in the abdomen
B、compared with the core muscles for stability
C、estimated about their function in movement
D、overlooked about their function in movement
答案D
解析 由第二段“He believes the small，often ovedooked muscles in the foot play a vital but underestimated role in movement and stability，similar to the core muscles in the abdomen”可知，足部一些小型肌群常常被忽视(overlooked)，但它们对于行动及保持稳定性具有举足轻重的作用，就像腹部的核心肌群。故选D。
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