The meat on the legs is very flabby consider the lack of exercise, overeating, nutritional deficiency, muscle atrophy and other factors. 1. Lack of exercise or overeating for a long time leads to a decrease in muscle tone in the legs, fat accumulation, and easy muscle flaccidity. 2. Inadequate nutritional intake, resulting in a lack of nutrition throughout the body, muscle cell atrophy or not renewed in a timely manner, leg muscles can not grow normally, muscle flaccidity. 3. Muscle atrophy, including wasting atrophy caused by prolonged braking, paralysis of the lower limbs due to neurological or vascular lesions, can lead to a decrease in the muscle content of the legs, a decrease in muscle tone, and the appearance of flaccid leg muscles and flabby meat. It is recommended that the meat on the legs is very flaccid to actively seek medical treatment under the guidance of a physician.