通过建立脊柱前屈的力学模型，定量计算腰骶椎间盘承受的应力。

Based on mechanics model of spinal flexion, stress upon lumber intervertebral disc was quantitatively calculated.

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束角式和坐角式，同样会打开骶髂关节之“锁”，前屈时也向骶骨周围的横向韧带增加了潜在压力。

Both Baddha Konasana and Upavistha Konasana unlock the sacroiliac joint and potentially strain the transverse ligaments of the sacrum, particularly if you bend forward.

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预防上腘绳肌肌腱损伤，你需要渐进式地练习伸直膝盖的前屈，并且对一切坐骨区域的疼痛保持高度警惕。

To prevent an upper-hamstring injury, you need to approach straight-leg forward bends gradually and with awareness, taking any pain near the sitting bone seriously.

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