足关节肿大可能预示患有糖尿病、风湿病、肾损害,或者是韧带损伤。皮肤上出现小疱、脓疱或者皮肤的某些部位发红、发瘁,特别是出现足真菌病,这是患糖尿病的报警信号。小腿肿胀可能预示肾脏或肝脏受到损害。此外,心力衰竭也会造成小腿肿胀。膝盖下胫骨肿大可能意味着甲腺机能亢进。突发性跛行和小腿软弱无力是多发性硬化的危险信号。腹股沟内有可触摸的硬块(超过两个星期),这预示 Arthropodais may indicate development of diabetes, rheumatism, kidney damage, or ligament damage. Small blisters on the skin, pustules, or some parts of the skin redness, hair loss, especially the emergence of foot fungal disease, which is a warning sign of diabetes. Calf swelling may indicate kidney or liver damage. In addition, heart failure can also cause calf swelling. Enlargement of the knee under the tibia may mean hyperthyroidism. Sudden claudication and calf weakness are risk signs of multiple sclerosis. There are palpable lumps in the groin (over two weeks), which indicates