《黄帝内经·灵枢·五禁》
壬癸应脚和小腿，每逢壬日和癸日，不能刺脚和小腿的穴位。这就是所说的五禁。
壬癸日自乘，无刺足胫，是谓五禁。
Renkui should be heard on the feet and calves. Every Renri and Kjiri, you cannot pierce the acupoints of the feet and calves. This is what is called five bans.
<s>[INST] Kindly elucidate the central themes in this passage in English: 壬癸日自乘，无刺足胫，是谓五禁。 [/INST] Renkui should be heard on the feet and calves. Every Renri and Kjiri, you cannot pierce the acupoints of the feet and calves. This is what is called five bans.</s>
Kindly elucidate the central themes in this passage in English: 壬癸日自乘，无刺足胫，是谓五禁。
user
Renkui should be heard on the feet and calves. Every Renri and Kjiri, you cannot pierce the acupoints of the feet and calves. This is what is called five bans.
assistant