一根小细棍是直的但有时看上去弯屈，这里有什么不对头的，有什么哪怕微微让人惊讶的？
What is wrong, what is even faintly surprising, in the idea of a stick's being straight but looking bent sometimes?
就像一辆车减速一样，在后弯之后前屈之前，脊柱也需要一些时间来恢复到中立状态。
Like a car gearing down, the spine needs some time to return to neutral after back bending before moving into forward bending.
在基础培训的基础上，深入具体分析站立，前屈，后弯，扭转，倒立，放松等体式的根基。
Based on basic training, in-depth analysis of specific standing, flexion, backward bending, torsion, inverted, relax type foundation.
棘突钢丝固定在前屈运动方向上可加强节段的稳定性，可恢复节段在后伸、侧弯和轴向旋转运动方向上的稳定性；
The stability with wire fixation was greater and equal to in flexion and in extension, lateral bending and axial rotation respectively.
扭转体式能够活动躯干，为后弯与前屈做好准备，同时也能在后弯与前屈之后平衡身体。
Twists can prepare the trunk for backbends and forward bends, as well as balance the body after backbends and forward bends.
结果：两者在前屈后伸、左右侧弯和左右旋转运动范围上有显著差异。
Results: The movement of flexion, extension, lateral curvature and rotation had obviously differences between two groups.
膝关节微屈站立，双脚与髋同宽，脚尖向前。膝关节在脚尖正上方。身体前弯与地面平行。
Stand with knees bent slightly, feet at hip distance apart, toes forward. Knees should be directly over toes. Bend forward so upper body is parallel to floor.
膝关节微屈站立，双脚与髋同宽，脚尖向前。膝关节在脚尖正上方。身体前弯与地面平行。
Stand with knees bent slightly, feet at hip distance apart, toes forward. Knees should be directly over toes. Bend forward so upper body is parallel to floor.
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