The Effects of Psyching-Up on Maximal Force Production: A Systematic Review
Cusimano K, Freeman P, Pawaar J, Moran J
Evidence is still building up
Summary
Across 27 studies and 93 comparisons in healthy adults, 65% found that psyching-up strategies performed immediately before a maximal effort significantly enhanced force production. Prescribed preparatory arousal, motivational self-talk, PETTLEP imagery, and free-choice psyching-up showed the most consistent benefits, but the size and consistency of the effect varied with participants' training experience and the type of control condition used.
Key findings
- 1
Of 93 comparisons across 27 studies, 65% found psyching-up enhanced maximal force production, 28% found no significant difference, and 8% found a negative effect — the strategy works inconsistently
- 2
By strategy: prescribed preparatory arousal (74% positive), motivational self-talk (89%), PETTLEP imagery (68%), and free-choice psyching-up (92%) were the most consistently effective. Instructional self-talk, stimulus-only imagery, internal attentional focus, and relaxation showed weak or negative effects
- 3
Weight-trained participants showed positive effects in 84% of comparisons, more consistent than undergraduates (53%) or novices — participant training/competitive experience moderates efficacy
- 4
74% of included studies had fewer than 60 participants, and the review used vote-counting rather than pooled meta-analytic effect sizes. Most tasks were brief, single maximal-effort lab tasks (e.g., 1RM lifts, isometric contractions), limiting generalization to real training sessions
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