ArticleEuropean journal of applied physiology2024
Post-activation potentiation and potentiated motor unit firing patterns in boys and men.
Article in European journal of applied physiology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 2 of them syntheses that pooled it.
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Who cites it
6 citing papers in PubMed, 2 syntheses or guidelines pooled it, 6 citations in OpenAlex.
- The effect of blood flow restriction training with different intermittent durations on the post-activation potentiation of lower limbs:a meta-analysis.Frontiers in physiology · 2026Pooled it
- The impact of post-activation potentiation on explosive vertical jump after intermittent time: a meta-analysis and systematic review.Scientific reports · 2024Pooled it
- The Effect of Three Work-Equivalent Whole-Body Vibration Protocols on Acute Neuromuscular Performance in Highly Trained Adolescent Soccer Players.Journal of musculoskeletal & neuronal interactions · 2026Article
- Children'sEuropean journal of applied physiology · 2025Review
- Motor unit firing rates during slow and fast contractions in boys and men.European journal of applied physiology · 2024Article
- Optimization of post-activation potentiation in girls and women.European journal of applied physiology · 2024Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundPost-activation potentiation (PAP) describes the enhancement of twitch torque following a conditioning contraction (CC) in skeletal muscle. In adults, PAP may be related to muscle fibre composition and is accompanied by a decrease in motor unit (MU) firing rates (MUFRs). Muscle fibre composition and/or activation is different between children and adults. This study examined PAP and MU firing patterns of the potentiated knee extensors in boys and men.
methodsTwenty-three boys (10.5 ± 1.3 years) and 20 men (23.1 ± 3.3 years) completed familiarization and experimental sessions. Maximal isometric evoked-twitch torque and MU firing patterns during submaximal contractions (20% and 70% maximal voluntary isometric contraction, MVIC) were recorded before and after a CC (5 s MVIC). PAP was calculated as the percent-increase in evoked-twitch torque after the CC. MU firing patterns were examined during submaximal contractions before and after the CC using Trigno Galileo surface electrodes (Delsys Inc) and decomposition algorithms (NeuroMap, Delsys Inc). MU action potential amplitudes (MUAPamp) and MUFRs were calculated for each MU and exponential MUFR-MUAPamp relationships were calculated for each participant and trial.
resultsPAP was higher in men than in boys (98.3 ± 37.1% vs. 68.8 ± 18.3%, respectively; p = 0.002). Following potentiation, the rate of decay of the MUFR-MUAPamps relationship decreased in both contractions, with a greater decrease among boys during the high-intensity contractions.
conclusionLower PAP in the boys did not coincide with smaller changes in potentiated MU firing patterns, as boys had greater reductions in MUFRs with potentiation compared with men in high-intensity contractions.
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