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[research→reps]

Evidence-based strength training guidance.

Research

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About

  • About the Process
  • Methodology
  • Editorial Policy
  • Disclosures
  • Corrections & Updates
  • Authors

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Affiliate Disclosure: Some links on this site are affiliate links. We may earn a commission if you make a purchase, at no additional cost to you. This does not influence our rankings or reviews. Read our full disclosure policy.

Apex Training: Apex Training is our product. It never affects evidence ratings or claim scoring. Learn how we manage this conflict.

© 2026 ResearchToReps. All rights reserved.

About the Process

We are boring in the ways that matter. Here is how we actually work.

How claims are selected

We prioritize claims that meet three criteria:

  • Actionable: The claim has practical implications for training, nutrition, or recovery decisions.
  • Contested or misunderstood: There is meaningful confusion or disagreement in the fitness community.
  • Evidence exists: At least some credible research has been conducted—even if sparse.

We use a backlog triage system that scores claims on demand (how often users ask), importance (potential impact), risk (consequences of getting it wrong), and evidence availability.

What we refuse to claim

  • Medical diagnoses or treatment recommendations. We are not doctors. See a healthcare provider.
  • Certainty where none exists. If evidence is sparse, we say so explicitly.
  • Extrapolation without disclosure. If studies were done in men, we note the limitation.
  • Product-specific claims without testing. Rankings require hands-on evaluation.
  • Sponsored content disguised as editorial. Ads are clearly labeled and never in rankings.

How we handle uncertainty

Every claim includes explicit markers for what we know, what we don't know, and what would change our mind. We use four evidence confidence levels:

High:Meta-analyses or 2+ consistent RCTs with direct population match.
Moderate:RCTs or controlled studies with some limitations.
Low:Observational data or extrapolated from related populations.
Sparse:< 2 sources or mechanistic only. Published with explicit caveats.

We also show direction (supports/mixed/no effect/harms), effect size (small/moderate/large), and the main limitation of the evidence in a single sentence.

How conflicts are handled

ResearchToReps is published by the same team that builds Apex Training. We benefit when people use the app. Here is how we manage that conflict:

  • Editorial independence: Research conclusions are never influenced by app features. If evidence contradicts an app decision, we publish it anyway.
  • Score locking: Evidence confidence scores cannot be changed without an audit trail and written explanation.
  • No paid placement: Rankings are never influenced by affiliate relationships. Products cannot pay for inclusion or position.
  • Disclosure: All affiliate relationships are disclosed. We earn commissions on some recommendations.

What "women-centered" means in practice

About 70% of our content prioritizes women's fitness—but we are precise about what that means:

  • Sex vs gender: We note what studies actually measured. Biological sex matters for physiology; we don't conflate it with gender identity.
  • Lifestage specificity: Premenopausal, perimenopausal, postmenopausal, pregnancy trimesters, and postpartum windows are tracked separately.
  • Hormonal context: Natural cycle, hormonal contraception, HRT—we note these when relevant.
  • Training status: Untrained, novice, intermediate, advanced, elite—with explicit definitions.

When research was conducted in men, we say so. When we extrapolate, we disclose the limitation.

Our Definitions
We use these definitions consistently across all claims

Trained

1+ year structured resistance training, 2+ sessions/week

Untrained

< 6 months consistent resistance training

Premenopausal

Regular menstrual cycles, typically ages 18-45

Postpartum

0-6mo, 6-12mo, 12+ mo windows tracked separately

Read our methodologyEditorial policy