Etiology and Pathogenesis Wind,cold,dam Limited p pathogenic movement of factors Slow the elbow circulatio Lasting for a joints n of qi Impairment due Zhou long period and blood to overstrain of the Tong elbow Local muscular joints atrophy Traumatic injury,atrophy Stagnation of qi and blood leading to pain Etiology and Pathogenesis Wind,cold,dam p pathogenic factors Impairment due to overstrain Traumatic injury,atrophy Slow circulatio n of qi and blood of the elbow joints Stagnation of qi and blood leading to pain Zhou Tong Limited movement of the elbow joints Local muscular atrophy Lasting for a long period