ArticleJournal of foot and ankle research2024
Peri-ankle muscles architecture and performance changes in patients with chronic ankle instability: A retrospective cross-sectional study.
Article in Journal of foot and ankle research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Injury prevention relevance: markerless functional performance testing in athletes with chronic ankle instability to inform recurrent sprain risk screening.BMC sports science, medicine & rehabilitation · 2026Article
- The gastrocnemius and soleus muscles deficits in functional ankle instability: an observational study.BMC musculoskeletal disorders · 2025Observational
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Authors and funding
6 authors.
Funding
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Abstract
This study aimed to identify changes in the architecture and performance of the peri-ankle muscles in patients with chronic ankle instability (CAI) and investigate the relationship between them. In total, 17 subjects were evaluated retrospectively. Each subject underwent anthropometric and isokinetic test, and peroneus longus (PL) and brevis (PB), medial gastrocnemius (MGCM), and tibialis anterior (TA) ultrasound imaging were performed at rest and maximum voluntary contraction (MVC) conditions. Regarding muscle architectural variables, the pennation angle (PA) of the MGCM at rest and the PA of the TA, MGCM, and PL in MVC were significantly reduced on the injured side compared to the intact side. There were no significant differences in muscle thickness of PL, PB, MGCM, and TA observed between intact and injured side during both rest and MVC. Regarding muscle performance parameters, significant decreased were observed in the muscle strength for both limbs in all four directions under the two different conditions. A secondary finding was that the relative PA ratio of the TA showed moderate correlation with the relative dorsiflexion ratio at 30°/s. These findings can provide opportunities to better understand how injuries in patients with CAI may be related to changes in ankle and foot function.
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