Relationship between the abdominal wall and chronic ankle instability
Abstract Handball is one of the Olympic sports with the highest incidence of injury and chronic ankle instability is a common injury among handball players. Strong evidence shows the relevance of the core system in lower limb biomechanics and injury risk; however, few research has been published reg...
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Nature Portfolio
2025-07-01
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| Series: | Scientific Reports |
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| Online Access: | https://doi.org/10.1038/s41598-025-94688-6 |
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| author | Daniel García-García Rocío Llamas-Ramos David Rodríguez-Sanz César Calvo-Lobo Marta San Antolín-Gil Inés Llamas-Ramos |
| author_facet | Daniel García-García Rocío Llamas-Ramos David Rodríguez-Sanz César Calvo-Lobo Marta San Antolín-Gil Inés Llamas-Ramos |
| author_sort | Daniel García-García |
| collection | DOAJ |
| description | Abstract Handball is one of the Olympic sports with the highest incidence of injury and chronic ankle instability is a common injury among handball players. Strong evidence shows the relevance of the core system in lower limb biomechanics and injury risk; however, few research has been published regarding the role of the active subsystem of the core on chronic ankle instability. The objective has been to compare abdominal wall morphology and function between young handball players with and without chronic ankle instability. Case–control study with 100 young handball players, 50 males participants and 50 females participants, was recruited and divided into athletes with chronic ankle instability (case group, n = 50) and healthy athletes (control group, n = 50). Main outcome measures were morphology and function of abdominal muscles and the inter-recti distance assessed by ultrasound examination. Significant between-group differences were found in the resting assessment of right rectus abdominis (case group 1.12 cm; control group 1.04 cm; p = 0.049), left rectus abdominis (case group 1.16 cm; control group 1.06 cm; p = 0.037), left internal oblique (case group 1.00 cm; control group 0.88 cm; p = 0.012), left transversus abdominis (case group 0.38 cm; control group 0.34 cm; p = 0.039) and inter-recti distance (case group 1.20 cm; control group 1.40 cm; p = 0.049). Moreover, significant between-sex differences were found in almost all morphological outcomes; muscle size at rest was larger in male handball players than in women counterparts. By contrast, no significant differences were found for function outcomes. Young handball players with chronic ankle instability had greater resting thickness of some abdominal muscles and lower inter-recti distance when compared to healthy athletes. |
| format | Article |
| id | doaj-art-3f81233cd22048fb96b1d2a275311eb3 |
| institution | DOAJ |
| issn | 2045-2322 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj-art-3f81233cd22048fb96b1d2a275311eb32025-08-20T03:05:25ZengNature PortfolioScientific Reports2045-23222025-07-011511910.1038/s41598-025-94688-6Relationship between the abdominal wall and chronic ankle instabilityDaniel García-García0Rocío Llamas-Ramos1David Rodríguez-Sanz2César Calvo-Lobo3Marta San Antolín-Gil4Inés Llamas-Ramos5Faculty of Health Sciences, University of ValladolidFaculty of Nursing and Physiotherapy, Universidad de SalamancaFaculty of Nursing, Physiotherapy and Podiatry, Complutense University of MadridFaculty of Nursing, Physiotherapy and Podiatry, Complutense University of MadridDepartment of Psychology, University of ValladolidFaculty of Nursing and Physiotherapy, Universidad de SalamancaAbstract Handball is one of the Olympic sports with the highest incidence of injury and chronic ankle instability is a common injury among handball players. Strong evidence shows the relevance of the core system in lower limb biomechanics and injury risk; however, few research has been published regarding the role of the active subsystem of the core on chronic ankle instability. The objective has been to compare abdominal wall morphology and function between young handball players with and without chronic ankle instability. Case–control study with 100 young handball players, 50 males participants and 50 females participants, was recruited and divided into athletes with chronic ankle instability (case group, n = 50) and healthy athletes (control group, n = 50). Main outcome measures were morphology and function of abdominal muscles and the inter-recti distance assessed by ultrasound examination. Significant between-group differences were found in the resting assessment of right rectus abdominis (case group 1.12 cm; control group 1.04 cm; p = 0.049), left rectus abdominis (case group 1.16 cm; control group 1.06 cm; p = 0.037), left internal oblique (case group 1.00 cm; control group 0.88 cm; p = 0.012), left transversus abdominis (case group 0.38 cm; control group 0.34 cm; p = 0.039) and inter-recti distance (case group 1.20 cm; control group 1.40 cm; p = 0.049). Moreover, significant between-sex differences were found in almost all morphological outcomes; muscle size at rest was larger in male handball players than in women counterparts. By contrast, no significant differences were found for function outcomes. Young handball players with chronic ankle instability had greater resting thickness of some abdominal muscles and lower inter-recti distance when compared to healthy athletes.https://doi.org/10.1038/s41598-025-94688-6Chronic ankle instabilityAbdominal wallUltrasoundHandball |
| spellingShingle | Daniel García-García Rocío Llamas-Ramos David Rodríguez-Sanz César Calvo-Lobo Marta San Antolín-Gil Inés Llamas-Ramos Relationship between the abdominal wall and chronic ankle instability Scientific Reports Chronic ankle instability Abdominal wall Ultrasound Handball |
| title | Relationship between the abdominal wall and chronic ankle instability |
| title_full | Relationship between the abdominal wall and chronic ankle instability |
| title_fullStr | Relationship between the abdominal wall and chronic ankle instability |
| title_full_unstemmed | Relationship between the abdominal wall and chronic ankle instability |
| title_short | Relationship between the abdominal wall and chronic ankle instability |
| title_sort | relationship between the abdominal wall and chronic ankle instability |
| topic | Chronic ankle instability Abdominal wall Ultrasound Handball |
| url | https://doi.org/10.1038/s41598-025-94688-6 |
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