The purpose of this present study is to determine if a daily walking program of 50 continuous minutes (long bout) or two 25-minute bouts (short bouts) in similar volume on body weight, abdominal fat mass deposition and cardiometabolic measures in overweight and obese women receiving a low calorie diet for 24 weeks.

Inclusion Criteria:

• Must have Body mass index (BMI) between 27-35 kg/ m².
• were sedentary (reported exercising <20 min/d for the previous 6 month) and healthy
• Must be able to have moderate exercise.
• Must be interested to have weight loss.

Exclusion Criteria:

• Participating in a research project involving weight loss or physical activity in the previous six months.
• Pregnancy or lactation during the previous 6 months, or planned pregnancy in the next six months.
• Taking medication that could affect metabolism or change body weight.
• Report heart problems, chest pain, and cancer within the last five years.
• Smoking
• Menopause
• Diagnosis of any chronic disease such as fatty liver, cancer, chemo/radio therapy, heart disease, immune compromised conditions, abnormal thyroid hormone level.