ArticleEuropean review of aging and physical activity : official journal of the European Group for Research into Elderly and Physical Activity2023
Peroneal muscle response to single-leg drop-jump and unexpected leg-drop in young and middle-aged adults before and after one session of neuromuscular training.
Article in European review of aging and physical activity : official journal of the European Group for Research into Elderly and Physical Activity, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05006547 (Peroneal Muscles Response to Expected and Unexpected Falls Among Young and Middle-aged Adults Before and After Neuromuscular Training), which is not on this map. Not yet cited in PubMed.
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Peroneal Muscles Response to Expected and Unexpected Falls Among Young and Middle-aged Adults Before and After Neuromuscular Training: a Cross Sectional-controlled Trial
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4 authors at 1 institution in 1 country.
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Abstract
backgroundChanges in neuromuscular ability in middle age (MA) may lead to deterioration of postural control. The aim of this study was to investigate the anticipatory response of the peroneus longus muscle (PL) to landing after a single-leg drop-jump (SLDJ), and its postural response after an unexpected leg-drop in MA and young adults. A second aim was to investigate the influence of neuromuscular training on PL postural responses in both age groups.
methodsTwenty-six healthy MA (55.3 ± 4 years) and 26 healthy young adults (26.3 ± 3.6 years) participated in the study. Assessments were performed before (T0) and after (T1) PL EMG biofeedback (BF) neuromuscular training. Subjects performed SLDJ, and PL EMG activity in preparation for landing (% of flight time) was calculated. To measure PL time to activation onset and time to peak activation in response to an unexpected leg-drop, subjects stood on a customized trapdoor device that produced a sudden 30° ankle inversion.
resultsBefore training, the MA group showed significantly shorter PL activity in preparation for landing compared to the young adults (25.0% vs. 30.0%, p = 0.016), while after training there was no difference between the groups (28.0% vs. 29.0%, p = 0.387). There were no differences between groups in peroneal activity after the unexpected leg-drop before and after training.
conclusionsOur results suggest that automatic anticipatory peroneal postural responses are decreased at MA, whereas reflexive postural responses appear to be intact in this age group. A short PL EMG-BF neuromuscular training may have an immediate positive effect on PL muscle activity at MA. This should encourage the development of specific interventions to ensure better postural control in this group.
trial registrationClinicalTrials.gov NCT05006547.
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