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Flanagan, SD, Comstock, BA, DuPont, WH, Sterczala, AR, Looney, DP, Dombrowski, DH, McDermott, DM, Bryce, A, Maladouangdock, J, Dunn-Lewis, C, Luk, HY, Szivak, TK, Hooper, DR, and Kraemer, WJ. Concurrent validity of the Armour39 heart rate monitor strap. J Strength Cond Res 28 (3): 870–873, 2014—New technology offers potential advantages in physically demanding environments where convenience and comfort are important and accurate and reliable data collection is challenging. Nevertheless, it is important to validate the accuracy and reliability of such biological monitoring systems (BMS) before they are adopted. The purpose of this investigation was to assess the concurrent validity of a new heart rate monitor across a range of exercise intensities and with a large and diverse group of male subjects in a large cohort with diverse physical fitness characteristics. Seventy-five men (age, 23±4 years …