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An electromyographic analysis of combining weights and elastic tubes as a method of resistance for exercise

Ronca, F; Spendiff, O; Swann, N; (2019) An electromyographic analysis of combining weights and elastic tubes as a method of resistance for exercise. Translational Sports Medicine 10.1002/tsm2.99. (In press).

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Abstract

The study aimed to compare the effects of elastic and weight resistance exercise on muscular activation patterns. Twenty‐one moderately active males (age = 25 ± 8) performed ten bicep curls and leg extensions with weights (W), an equivalent elastic resistance (T), and a combined condition (TW) of half elastic tension and half weight resistance. Muscular activations of the biceps, triceps, rectus femoris, vastus medialis, and lateralis were recorded with Trigno wireless electrodes, and joint angles were recorded with Qualisys Track Manager. Biceps total activation was highest (P < .001) with weights during the bicep curl due to an increased (P ≤ .007) activation in the eccentric phase. The biceps was also active over a larger portion of the ROM under TW (110°‐70° elbow angle), while W and T exhibited peak activations at mid (90°)‐ and late (50°) stages of ROM, respectively. The triceps (bicep curl) was least active (P < .05) with W throughout the concentric phase, as were the vastus medialis and lateralis (leg extension). Although peak and total activation were similar for most muscles in all conditions, muscular activation patterns differed between conditions indicating that TW may enhance strength gains by increasing time under tension, engaging agonist muscles at less advantageous lengths, and increasing the recruitment of auxiliary muscles.

Type: Article
Title: An electromyographic analysis of combining weights and elastic tubes as a method of resistance for exercise
DOI: 10.1002/tsm2.99
Publisher version: https://doi.org/10.1002/tsm2.99
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci > Department of Targeted Intervention
URI: https://discovery.ucl.ac.uk/id/eprint/10083720
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