《黄帝内经·灵枢·经筋》
太阳经的经筋发病，主要表现由足小趾分出的一支的症状，可见足跟肿痛，腘窝部拘挛，脊柱反张，颈部筋脉拘挛疼痛，肩不能抬举；腋窝处的分支还可见到缺盆中有扭痛，不能左右摇摆。
其病小趾支跟肿痛，腘挛，脊反折，项筋急，肩不举，腋支缺盆中纽痛，不可左右摇。
The main symptoms of the meridians of the sun meridian are the symptoms of a branch from the little toe of the foot, including swelling and pain in the heel, contracture in the popliteal fossa, back arch, contracture and pain in the neck veins, and inability to lift the shoulders; There may also be twisting pain in the missing basin in the branch of the armpit, and it cannot swing left and right.