Key result
Post-exercise circulatory occlusion reduces maximal voluntary isometric contraction by ~30% versus free-flowing conditions.
Why the study?
Post-exercise circulatory occlusion allows the investigation of group III/IV muscle afferent feedback on central nervous system responsiveness, but its effects on soleus H- and V-wave excitability required exploration.
Does post-exercise circulatory occlusion affect soleus spinal and supraspinal excitability in healthy men?
RCT (n=16)
crossover
Does post-exercise circulatory occlusion affect soleus spinal and supraspinal excitability in healthy men?
Mean Difference: -29.7
p-value: p=<0.001
Lower-limb group III/IV afferent feedback induced by post-exercise circulatory occlusion inhibits supraspinal, but not spinal, pathways.
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Post-exercise ischemia selectively impairs supraspinal drive to soleus without affecting spinal reflexes; extends evidence on group III/IV afferent modulation.
Gonçalves et al. (2026) conducted an RCT in healthy (n=16). post-exercise circulatory occlusion vs. free-flowing conditions without previous fatiguing contraction was evaluated on maximal voluntary isometric contraction (MD -29.7%, p=<0.001). Post-exercise circulatory occlusion decreased maximal voluntary isometric contraction (-29.7%; p<0.001) and V-wave normalized amplitude (-42.7%; p=0.02) compared to free-flowing conditions.
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