Humerus fracture also cause deformity, and they typically limit the ability to flex the elbow. Humerus fractures usually occur after physical trauma, falls, excess physical stress, or pathological conditions. Falls that produce humerus fractures among the elderly are usually accompanied by a preexisting risk factor for bone fracture, such as osteoporosis, a low bone density, or vitamin B deficiency. Proximal humerus fractures most often occur among elderly people with osteoporosis who fall on an outstretched arm. Less frequently, proximal fractures occur from motor vehicle accidents, gunshots, and violent muscle contractions from an electric shock or seizure. Other risk factors for proximal fractures
Traditional Chinese medicines derived from the human body infectious disease is really not pertinent "because bone would be ineffective in the treatment of any infectious process." Prescription 52.28.1 (tr. Luo 2003: 4180-4181) "Tianlingaisan" "Powder of human Skull Top", which is said to be "good for killing worms in a consumptive disease", mentions seeing a "chuanshi". First, take "one piece of human skull top two fingers wide, simmer the drug with Tanxiang/sandalwood, then stir-fry with Su/butter. Then chant incantations." Fifteen herbal ingredients are added with the skull bone into a decoction, which will cause the patient to defecate "worms of strange shapes". Cooper & Sivin (tr. 1973: 250) translate