American Journal of Sports Science

Volume 10, Issue 1, March 2022

  • Development of Chinese Martial Arts: The Influence of Wuju System’s Establishment in the Sui and Tang Dynasties

    Li Jun Hua

    Issue: Volume 10, Issue 1, March 2022
    Pages: 1-4
    Received: Oct. 26, 2021
    Accepted: Dec. 20, 2021
    Published: Jan. 15, 2022
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    Abstract: Wuju system, also known as Wuke, was began in Tang Dynasty, the second year when Wu Zetian became empress. However, it was abolished in the 27th year of Guangxu in Qing Dynasty and has lasted for more than 1,200 years. As one of the main ways to select martial arts talents in feudal China, it has had a profound impact on the development of martial ... Show More
  • Multidirectional Hop Landings Exceed Osteogenic Thresholds with and with Instruction Withdrawn in Premenopausal Women

    Tracey Leigh Clissold, John Barry Cronin, Mary Jane De Souza, Daniel Wilson, Paul William Winwood

    Issue: Volume 10, Issue 1, March 2022
    Pages: 5-13
    Received: Nov. 26, 2021
    Accepted: Dec. 14, 2021
    Published: Feb. 09, 2022
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    Abstract: The purpose of this study was to quantify ground reaction forces across all planes of motion and determine the influence of instruction associated with vertical, forward and lateral hop landings in premenopausal women. Bilateral jump-landings have previously been the focus in this population with forces quantified primarily in the vertical directio... Show More
  • Heart Rate Variability Metrics from Commercial Devices Predicts Strength and Cardiovascular Performance in a Military Cohort

    Kaela Hierholzer, Robert Briggs, Michael Tolston, Nicholas Mackowski, Maegan O’Connor, Kristyn Barrett, Roger Smith, Jason Eckerle, Adam Strang

    Issue: Volume 10, Issue 1, March 2022
    Pages: 14-23
    Received: Feb. 01, 2022
    Accepted: Feb. 16, 2022
    Published: Feb. 25, 2022
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    Abstract: Heart rate variability (HRV) has become popular for assessing improvements in physical fitness, performance, and recovery. The purpose of this study was to assess the ability of HRV metrics to predict strength and cardiovascular performance in a military cohort using data obtained from commercial off-the-shelf (COTS) wearables. (1) Methods: Twenty-... Show More
  • The Effect of Core Strength Training on 14-Year-Old Soccer Players' Agility, Anaerobic Power, and Speed

    Melese Ebabu Mossa

    Issue: Volume 10, Issue 1, March 2022
    Pages: 24-28
    Received: Jan. 17, 2022
    Accepted: Feb. 14, 2022
    Published: Feb. 25, 2022
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    Abstract: The football players must be physically fit, technically adept, strategically well-equipped, and mentally prepared to withstand the pressures of the game. Among those essential components, physical fitness is the basis. So, coaches implemented aerobics, strength, and power training for large muscle groups. However, the core muscles, which assist ma... Show More