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学校背包负荷对7岁男孩和女孩动态步行参数的影响

Paulina Tomal1, Anna Fryzowicz2, Jarosław Kabaciński2

  • 1Department of Physiotherapy, Karol Marcinkowski Poznan University of Medical Sciences, 61-545 Poznan, Poland.

Sensors (Basel, Switzerland)
|July 12, 2025
PubMed
概括

携带沉重的学校背包显著改变孩子的步态,增加脚压和不对称. 背包负荷超过身体重量的10%对儿童的动态步行参数产生负面影响.

关键词:
生物力学 生物力学孩子们的孩子们的孩子们的孩子们.步态分析 步态分析脚部压力 脚部压力在学校背包背包.对称性对称性对称性对称性对称性对称性

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A rigid body is in static equilibrium when the net force and the net torque acting on the system are equal to zero.
Consider two children sitting on a seesaw, which has negligible mass. The first child has a mass (m1) of 26 kg and sits at point A, which is 1.6 meters (r1) from the pivot point B; the second child has a mass (m2) of 32 kg and sits at point C. How far from the pivot point B should the second child sit (r2) to balance the seesaw?