美国骨科医学会今年展现的一项研究发现，这种跑步之前的静态伸展既不会防止亦不会导致受伤。

A study presented this year at the American Academy of Orthopaedic Surgeons found that such static stretching before a run neither prevents nor causes injury.

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静态伸展(放松被动)增加灵活性，但不是很有效地加强肌肉的运动范围，特别是的。

Static stretching (relaxed passive) does increase flexibility but is not very effective in strengthening the muscle particularly at the end of range of motion.

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随着随访次数的延长，动态固定器组在腕关节伸展方面明显优于静态固定器组。

Wrist extension was significantly better in the dynamic fixator group in comparison with the static fixator group at all follow-up times.

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