Journal of sport rehabilitation · 2023
Relationship Between Nordic Hamstring Strength and Single Leg Bridge Test in University Soccer Players.
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Murakami Yuta, Nishida Satoru, Yoshida Riku, Kasahara Kazuki, Kumazaki Akira, Sakuma Hirokazu, Fujimoto Hirosi, Kaneko Yuki, Abe Otoka, Nakamura Masatoshi
Аннотация
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.
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.