A comparison of countermovement jump performance and kinetics at the start and end of an international Rugby Sevens season

Ben Lonergan¹ *, Phil Price², Stephanie L. Lazarczuk³, David J. Howarth^{4, 5, 6}, Daniel D. Cohen^{7, 8
1}West Ham Football Club, Physical Development Department, Romford, UK
²Falculty of Sport, Allied Health and Performance Science, St Mary’s University, Twickenham, UK
³School of Allied Health Sciences, Griffith University, Gold Coast Campus, Queensland, Australia
⁴Faculty of Health, School of Sport, Exercise & Rehabilitation, University of Technology Sydney, New South Wales, Australia
⁵Connacht Rugby, Galway, Co. Galway, Ireland
⁶Irish Rugby Football Union, Dublin, Ireland
⁷Masira Research Institute, Faculty of Health Sciences, University of Santander (UDES), Bucaramanga, Colombia
⁸Mindeporte (Colombian Ministry of Sport), Centre for Sport Science, Bogotá, Colombia