Relationship Between Nordic Hamstring Strength and Single Leg Bridge Test in University Soccer Players

Author:

Murakami Yuta1,Nishida Satoru2ORCID,Yoshida Riku1,Kasahara Kazuki1,Kumazaki Akira13,Sakuma Hirokazu3,Fujimoto Hirosi3,Kaneko Yuki3,Abe Otoka3,Nakamura Masatoshi4ORCID

Affiliation:

1. Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Japan

2. Faculty of Sports and Health Science, Ryutsu Keizai University, Ryugasaki, Ibaraki, Japan

3. Faculty of Health Sciences, Niigata University of Health and Welfare, Niigata, Japan

4. Faculty of Rehabilitation Sciences, Nishikyushu University, Kanzaki, Saga, Japan

Abstract

Context: Nordic hamstring strength (NH strength) and single leg bridge test (SLBT) scores are used to predict the risk of hamstring strain injury. Although NH strength and SLBT scores may be related, the relationship between NH strength and SLBT score remains unknown. Objectives: This study investigated the relationship between NH strength and SLBT scores in university soccer players. Design: Cross-sectional study. Setting: Research laboratory. Participants: 38 male university soccer players. Main Outcome Measures: NH strength and SLBT scores. Interventions: A participant was instructed to lean forward gradually at the slowest possible speed from a kneeling posture with the knee joint flexed 90° for the NH strength measurement. Participants in the SLBT crossed their arms over their chests, pushed down from their heels, and lifted their hips off the ground as many times as they could until they failed. We investigated the relationship between NH strength and SLBT scores in the left and right sides using Spearman rank correlation coefficient. Additionally, we calculated the percentage of left–right asymmetry in NH strength and SLBT scores and investigated the relationship between these variables using Pearson correlation coefficient. Results: There were no significant correlations between NH strength and SLBT scores in the right (rs = .239, P = .16) and left (rs = .311, P = .065) legs. Furthermore, there was no significant relationship between NH strength and SLBT between-limb asymmetry (r = .073, P = .671). Conclusions: NH strength and SLBT scores could be different indexes, indicating either maximal muscle strength or muscle endurance. Thus, the findings suggested that when assessing risk factors for hamstring strain injury, both NH strength and SLBT scores should be measured.

Publisher

Human Kinetics

Subject

Rehabilitation,Physical Therapy, Sports Therapy and Rehabilitation,Orthopedics and Sports Medicine,Biophysics

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