High - intensity interval training without weight loss improves 1 exercise , but not basal or insulin - induced , metabolism in 2 overweight / obese African - American women 3 4

4 Avigdor D. Arad, Fred J. DiMenna, Naketa Thomas, Jacqueline Tamis5 Holland, Richard Weil, Allan Geliebter, and Jeanine B. Albu 6 7 1 The New York Obesity Nutrition Research Center, Mt. Sinai St. Luke’s Hospital, 8 New York, USA; 2 Teachers College, Department of Biobehavioral Sciences, 9 Columbia University, New York, USA. 10 11 Address for Correspondence: 12 Jeanine B. Albu 13 The New York Obesity Nutrition Research Center 14 114th Street and Amsterdam Avenue 15 Mt. Sinai St. Luke’s Hospital 16 New York, NY 17 Phone: 212-523-4183 18 Fax: 212-523-4830 19 E-mail: [email protected] 20 21 Running Head: High-intensity interval training and substrate utilization 22