Correlation Between Creatine Phosphokinase and Pelvic Floor Muscle Strength in Postnatal Women

Inclusion Criteria: * Post-partum women who delivered vaginally. * Their ages will range from 25 to 35 years old. * Their body mass index (BMI) will be \<30 Kg/m2. * CPK will be measured within the first six weeks (2nd-5th weeks) after delivery for all women. Exclusion Criteria: * Any dysfunction or associated injury or any pathological conditions which may affect the result of the study as cardiac abnormalities, thyroid dysfunction recurrent urinary tract infections, uncontrolled hypertension or diabetes mellitus. * History of pelvic inflammatory disease, myoma and tumors, pelvic infection, ovarian cyst, any gynecological disease, any hormonal abnormality and any psychological problem. * Pelvic floor dysfunction: genital prolapse, incontinence. * Previous surgical operations as hysterectomy. * Inability to understand the written and verbal instructions.