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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

FitnessControlled reduced-training study2025

Last updated 2026-07-21

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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?

  1. Reviews of many studies
  2. Controlled trialsThis study
  3. Observational
  4. 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

Source details

Who ran it, and where to read it.

Authors
Mpampoulis et al.

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 Oddo, NASM-CPT, in the gym
Kris Oddo, NASM-CPT. The study is the evidence; the paragraph below is what he actually does with it.

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

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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