Exhibited neck muscle stiffness and limited mobility before intervention, with reduced finger flexion and extension range, frequent lower limb muscle spasms, and temperature imbalance between the trunk and lower limbs during sleep (warm upper body, cold lower limbs).

After nutritional decoction intervention, neck flexibility improved, finger motor function enhanced, trunk and lower limb temperatures became more consistent at night, the frequency of lower limb cramps decreased, and heart rate conditions also improved.