Peer-reviewed study
Reduced training preserved much of the earlier adaptation
Effect of Different Reduced Training Frequencies After 12 Weeks of Concurrent Ballistic and Aerobic Training on Muscle Power and Triceps Brachii Muscle Architecture
Last updated 2026-07-21
Kris Oddo, NASM-certified personal trainer, is the founder and head coach of Gains From Geebs (Geebs Coaching), a 1:1 online fitness coaching practice.
Quick answer
What this study found
When life cuts training time, preserving some exposure to strength and power work is more useful than waiting for a perfect schedule.
How strong is this kind of study?
- Reviews of many studies
- Controlled trialsThis study
- Observational
- Narrative reviews
Controlled reduced-training study. Heavier plates are built from more studies, so they move less when the next one lands.
At a glance
What kind of study this is
Early or limited evidence
A review, a lab study, or an analysis of collected data. Useful for direction, not strong enough to settle a question.
- Design
- Controlled reduced-training study
- Published
- 2025
- Journal
- Journal of Functional Morphology and Kinesiology
- Reference
- PMID 39846678
Honest limits
What this study does not prove.
This small follow-up used young women and a specific ballistic-plus-aerobic program. Some muscle-architecture measures still declined, so reduced training did not preserve everything.

Kris's practical takeaway
Here's what to do with it.
When life cuts training time, preserving some exposure to strength and power work is more useful than waiting for a perfect schedule.
Ways to use it
Safe ways to apply it.
Keep a training signal during the busy season
Reduced training preserves more than an all-or-nothing plan
Maintaining everything is different from maintaining enough
Related guides and studies
Keep learning about fitness.
FAQ
Quick questions
What is the practical takeaway from this study?
When life cuts training time, preserving some exposure to strength and power work is more useful than waiting for a perfect schedule.
What does this study not prove?
This small follow-up used young women and a specific ballistic-plus-aerobic program. Some muscle-architecture measures still declined, so reduced training did not preserve everything.
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