Explosive strength evolution of Romanian professional rugby players – Backs

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Oprean Alexandru
Puni Alexandru-Rares
Ungurean Bogdan-Constantin
Cojocariu Adrian


The purpose of this study is to highlight the evolution of the explosive strength in the 4-year interval of the backs compartment and the level of adaptation to the game requirements. The hypothesis in this study is that the explosive strength of the lower limbs in rugby backs developed during the past 4 years, trying to keep up with the higher needs in the first Romanian league. Explosive power was measured using the ‘Just Jump System’, which is a plyometric test mat on which the players conducted a set of three tests: squat jump, control movement jump and free jump. The forwards significantly improved their explosive strength in a 4-year period. Although the total body mass got bigger, the players managed to improve their lower limbs’ explosive strength; this fact proves a good physical adaptation to the requirements of the rugby game.


Keywords: Power, jump.


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How to Cite
Alexandru, O., Alexandru-Rares, P. ., Bogdan-Constantin, U., & Adrian, C. (2021). Explosive strength evolution of Romanian professional rugby players – Backs. New Trends and Issues Proceedings on Humanities and Social Sciences, 8(3), 37–43. https://doi.org/10.18844/prosoc.v8i2.6159