TY - JOUR ID - 154306 TI - Determining the range of aerobic exercise on a treadmill for male Wistar rats at different ages: A pilot study JO - Journal of Exercise & Organ Cross Talk JA - JEOCT LA - en SN - AU - Fadaei Chafy, Mohammad Reza AU - Bagherpour Tabalvandani, Mohammad Mahdi AU - Elmieh, Alireza AU - Arabzadeh, Ehsan AD - Assistant Professor, Department of Physical Education and Sport Science, Faculty of Humanities, Rasht Branch, Islamic Azad University, Rasht, Iran. AD - Ph.D. Candidate of exercise physiology, Department of Physical Education and Sport Science, Faculty of Humanities, Rasht Branch, Islamic Azad University, Rasht, Iran. AD - Associate Professor, Department of physical Education and sport science, Faculty of Humanities, Rasht Branch, Islamic Azad University, Rasht, Iran. AD - Baqiyatallah University of Medical Science. Y1 - 2022 PY - 2022 VL - 2 IS - 3 SP - 96 EP - 100 KW - Lactate threshold KW - Wistar rat KW - blood lactate KW - Aerobic exercise DO - 10.22034/jeoct.2022.350369.1047 N2 - The purpose of this study was to determining the range of aerobic exercise on a treadmill for male Wistar rats at different ages. Twelve male Wistar rats were divide in three groups of immature, adults, and old (n= 4 in each). At first session, the rats began to run at a rate of 2 m/min to perform the fatigue test, and the treadmill speed was increased by 2 m/min every 2 minutes. This process of acceleration continued until the rats were no longer able to continue moving on the treadmill and became exhausted. Then, blood lactate of each subject measured immediately and their maximum speed was recorded. After 48 hours of recovery, animal performed maximum recorded speed on a treadmill in three 10-minute steps of 25%, 50% and 75%, respectively. Immediately after each percent blood lactate were measured and recorded. Immature rats at an average speed of 18 m/min were reached to their maximum speed with an average lactate concentration of 8±1.8 mmol/l. Adults rats at an average speed of 36 m/min were reached to their maximum speed with an average lactate concentration of 6.8±0.4 mmol/l. The old rats reached their maximum velocity with an average of 30 m/min with an average lactate concentration of 6.95±0.9 mmol/l. Therefore, it recommended that aerobic exercise in untrained rats start at a light speed, i.e. 25% of their maximum speed, which is lower than the lactate threshold, and gradually continue up to 50% of their maximum speed. UR - https://www.jeoct.com/article_154306.html L1 - https://www.jeoct.com/article_154306_266197c978d8265b45849784230f8099.pdf ER -