Five Softnesses / Wu Ruan
Updated 2026-07-31
INTRODUCTION
English translation pending.
CORE DEFINITION
Wu ruan names five softnesses in children: a floppy head and neck, a weak mouth, weak hands, weak feet, and soft muscles. It is attributed to insufficient congenital essence from the kidney and spleen, so bone and flesh are not properly filled out. The qualifier is that this is a developmental shortfall in raw material, not weakness acquired later through illness or disuse. Treatment fills essence and supplements marrow while strengthening the spleen, combined with rehabilitation and early intervention.
SCAFFOLDING EFFECT
Reduce cognitive load
- Deficiency map: read five soft sites as one shared shortage of raw material, not five separate problems - Treatment logic: fill essence and supplement marrow so the soft structure hardens - Timing rule: intervene early, because unfinished material can still be fired hard
Anchor fast decisions
Kidney essence supplies the substrate for bone, marrow, and growth, while the spleen transforms food into blood and flesh. When both are insufficient, the structural material needed to firm up the head, limbs, and muscles never arrives, so the child stays soft. Supplementing essence and strengthening the spleen restores the supply, and rehabilitation trains the structure as it stiffens, which is why early combined treatment outperforms waiting.
MINIMUM ACTION
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- baike.baidu.comhttps://baike.baidu.com/item/%E4%BA%94%E8%BD%AFverified
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