The Strongman log push press: The effect log diameter has on force-time characteristics

Renals, L., Lake, J. P., Austin, K. and Keogh, J. W. L. (2018) The Strongman log push press: The effect log diameter has on force-time characteristics. Journal of Strength and Conditioning Research. ISSN 1064-8011

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Strongman training is becoming more common in strength and conditioning practices, particularly the log press. The existing literature analyses force characteristics of the log clean and jerk and/or press comparing to the weightlifting clean and jerk exercise. This investigation aims to explore the braking and propulsive phase performance characteristics of specifically the push press with a barbell and different size strongman logs. Ten experienced athletes volunteered performing the push press exercise using 65% of their one repetition maximum using a small diameter log, a large diameter log and a barbell. Analysis of variance showed a significant difference in all mean braking and propulsive characteristics (force, velocity, power, impulse and displacement) between the barbell and both logs but there was no difference in lift duration. Comparison between both logs showed the small log had significantly greater power (6%, p= 0.01), velocity (2%, p= 0.01), impulse (5%, p= 0.03) and in force (3%, p= 0.01) but no difference in centre of mass displacement or lift duration. Additionally, propulsive phase when using the barbell was 4.4 times greater in force, 2.2 times in impulse, 1.8 times in velocity and 2.3 times in power and this was greater when compared to the larger diameter log. The athletes achieved larger propulsive outputs with a barbell over a log in the push press exercise in addition with showing a higher mechanical demand with a log which increases the larger log diameter which may mean the athlete needs to adapt loads when looking to optimise training parameters.

Publication Type: Articles
Subjects: Q Science > QM Human anatomy
Q Science > QP Physiology
R Medicine > RZ Other systems of medicine
Divisions: Research Entities > CCASES
Academic Areas > Institute of Sport > Area > Exercise Physiology
Depositing User: Jason Lake
Date Deposited: 16 Aug 2018 12:53
Last Modified: 26 Jul 2019 00:10

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