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An Electromyographic Analysis of Romanian, Step-Romanian, and Stiff-Leg Deadlift: Implication for Resistance Training

Author

Listed:
  • Giuseppe Coratella

    (Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Giuseppe Colombo 71, 20133 Milano, Italy)

  • Gianpaolo Tornatore

    (Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Giuseppe Colombo 71, 20133 Milano, Italy)

  • Stefano Longo

    (Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Giuseppe Colombo 71, 20133 Milano, Italy)

  • Fabio Esposito

    (Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Giuseppe Colombo 71, 20133 Milano, Italy
    IRCSS Galeazzi Orthopedic Institute, 20122 Milano, Italy)

  • Emiliano Cè

    (Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Giuseppe Colombo 71, 20133 Milano, Italy
    IRCSS Galeazzi Orthopedic Institute, 20122 Milano, Italy)

Abstract

The present study examined the posterior chain muscle excitation in different deadlift variations. Ten competitive bodybuilders (training seniority of 10.6 ± 1.8 years) performed the Romanian (RD), Romanian standing on a step (step-RD), and stiff-leg deadlift (SD) with an 80% 1-RM. The excitation of the gluteus maximus, gluteus medius, biceps femoris, semitendinosus, erector spinae longissimus, and iliocostalis was assessed during both the ascending and descending phases. During the ascending phase, the RMS of the gluteus maximus was greater in the step-RD than in the RD (effect size (ES): 1.70, 0.55/2.84) and SD (ES: 1.18, 0.11/2.24). Moreover, a greater RMS was found in the SD than in the RD (ES: 0.99, 0.04/1.95). The RMS of the semitendinosus was greater in the step-RD than in the RD (ES: 0.82, 0.20/1.44) and SD (ES: 3.13, 1.67/4.59). Moreover, a greater RMS was found in the RD than in the SD (ES: 1.38, 0.29/2.48). The RMS of the longissimus was greater in the step-RD than in the RD (ES: 2.12, 0.89/3.34) and SD (ES: 3.28, 1.78/4.78). The descending phase had fewer differences between the exercises. No further differences between the exercises were found. The step-RD increased the overall excitation of the posterior chain muscles, possibly because of the greater range of movement and posterior muscle elongation during the anterior flexion. Moreover, the RD appeared to target the semitendinosus more than the SD, while the latter excited the gluteus maximus more.

Suggested Citation

  • Giuseppe Coratella & Gianpaolo Tornatore & Stefano Longo & Fabio Esposito & Emiliano Cè, 2022. "An Electromyographic Analysis of Romanian, Step-Romanian, and Stiff-Leg Deadlift: Implication for Resistance Training," IJERPH, MDPI, vol. 19(3), pages 1-9, February.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:3:p:1903-:d:744557
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    References listed on IDEAS

    as
    1. Giuseppe Coratella & Gianpaolo Tornatore & Stefano Longo & Fabio Esposito & Emiliano Cè, 2020. "An Electromyographic Analysis of Lateral Raise Variations and Frontal Raise in Competitive Bodybuilders," IJERPH, MDPI, vol. 17(17), pages 1-12, August.
    2. Giuseppe Coratella & Gianpaolo Tornatore & Francesca Caccavale & Stefano Longo & Fabio Esposito & Emiliano Cè, 2021. "The Activation of Gluteal, Thigh, and Lower Back Muscles in Different Squat Variations Performed by Competitive Bodybuilders: Implications for Resistance Training," IJERPH, MDPI, vol. 18(2), pages 1-11, January.
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