Provincial Key Lab of Measurement and Evaluation in Human Movement and Bio-Information 1 article published in JoVE Behavior Impact of High-intensity Interval Exercise and Moderate-Intensity Continuous Exercise on the Cardiac Troponin T Level at an Early Stage of Training Haifeng Zhang1,2, Jinlei Nie3, Zhaowei Kong4, Xiangui Zhu1, Yang Liu1, Qingde Shi3 1Physical Education College, Hebei Normal University, 2Hebei Provincial Key Lab of Measurement and Evaluation in Human Movement and Bio-Information, 3School of Health Sciences and Sports, Macao Polytechnic Institute, 4Faculty of Education, University of Macau Here, we present protocols of high-intensity interval and moderate-intensity continuous exercise to observe the response of circulating cardiac troponin T (cTnT) concentration to acute exercise over 10 days. The information may assist with clinical interpretations of post-exercise cTnT elevation and guide the prescription of exercise.