Neural excitability of lower extremity musculature in individuals with and without chronic ankle instability: A systematic review and meta-analysis

This systematic review and meta-analysis examined differences in lower extremity neural excitability between ankles with and without chronic ankle instability (CAI). We searched the literature for studies that compared corticomotor or spinal reflexive excitability between a CAI group and controls or...

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Bibliographic Details
Published in:Journal of electromyography and kinesiology 2020-08, Vol.53, p.102436-102436, Article 102436
Main Authors: Suttmiller, Ashley M.B., McCann, Ryan S.
Format: Article
Language:English
Subjects:
Chronic ankle instability
Hoffmann reflex
Neural excitability
Transcranial magnetic stimulation
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Summary:This systematic review and meta-analysis examined differences in lower extremity neural excitability between ankles with and without chronic ankle instability (CAI). We searched the literature for studies that compared corticomotor or spinal reflexive excitability between a CAI group and controls or copers, or between limbs of a CAI group. Random effects meta-analyses calculated pooled effect sizes for each outcome. Nineteen studies were included. Meta-analyses of motor thresholds of the fibularis longus (Z = 1.17, P = 0.24) and soleus (Z = 0.47, P = 0.64) exhibited no differences between ankles with and without CAI. Pooled data indicate that ankles with CAI had reduced soleus spinal reflexive excitability (Z = 2.18, P = 0.03) and significantly less modulation of the soleus (Z = 6.96, P 
ISSN:1050-6411
1873-5711
DOI:10.1016/j.jelekin.2020.102436