Effects of Stable and Unstable Surfaces on Cable-Based Resistive Exercises

O'Meara, Sarah; Lostroscio, Kaitlin; Quiocho, Leslie J.; Joshi, Sanjay; Vetter, Keith

doi:10.1109/aero50100.2021.9438268

Cited by 2 publications

(1 citation statement)

References 13 publications

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“…In the last decade, instability training has been included in athletes’ strength and conditioning programs and is constantly evolving and developing [ 9 ]. In fact, such has been its importance that its use and research have been extended to other populations, such as the military and astronauts [ 10 ]. However, the scientific community has focused on the study of muscle activations with destabilizing or suspension devices [ 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 ], and the effects of training in these situations on power and speed are unknown.…”

Section: Introductionmentioning

confidence: 99%

How Does Instability Affect Bench Press Performance? Acute Effect Analysis with Different Loads in Trained and Untrained Populations

Marquina

Calvo

García-Sánchez

et al. 2023

Sports

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(I) The execution of different sports involves a significant number of throws, jumps, or direction changes, so the body must be as stable as possible while performing a specific action. However, there is no classification of unstable devices and their influence on performance variables. Furthermore, the effect on athletes’ experience using instability is unknown. (II) The aim of this study was to analyze the power and speed parameters in bench press with different loads and unstable executions: (1) stable (SB), (2) with asymmetric load (AB), (3) with unstable load (UB), (4) on fitball (FB) and (5) on a Bosu® (BB). A total of 30 male participants (15 trained and 15 untrained) were evaluated for mean propulsive speed (MPS), maximum speed (MS), and power (PW) with different types of external load: a low load (40% of 1RM), medium load (60% of 1RM), and high load (80% of 1RM) in each condition. Variables were measured with an inertial dynamometer. (III) The best data were evidenced with SB, followed by AB (3–12%), UB (4–11%), FB (7–19%), and BB (14–23%). There were no differences between groups and loads (p > 0.05) except in the case of MS with 60% 1RM, where trained participants obtained 4% better data (p < 0.05). (IV) Executions with implements and equipment such as fitball and Bosu® do not seem to be the most recommended when the objective is to improve power or execution speed. However, situations where the load is unstable (AB and UB) seem to be a good alternative to improve stabilization work without high performance. Furthermore, experience does not seem to be a determining factor.

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