Muddy aches and pains can be caused by a lot of exercise, mental illness, and tumors. Muddy pain may also be caused by osteoporosis. 1. A lot of exercise: some patients will have body aches and pains after strenuous and generalized exercise, which does not need special treatment and will subside after a while. 2. Mental illness: Depressed patients may experience somatization changes, such as sleep disorders and numbness of the limbs, which may also lead to the symptoms of body aches and pains. Patients are advised to go to the hospital for diagnosis. 3. Tumor: when patients suffer from malignant tumors or multiple tumors, it will also lead to the symptoms of body ache. 4. Osteoporosis: When there is a lack of calcium in the body, it will lead to osteoporosis, which will cause the symptoms of body pain. These are only some of the common causes. When the patient has body pain, it is recommended that the patient go to the hospital for examination and diagnosis in a timely manner, and under the guidance of the doctor for standardized treatment.