Study analysis · Sport Sciences for Health · 2024
Lifting heavy weights could be the key to transforming body composition after menopause – but the science might surprise you.
Resistance training helps postmenopausal women lose belly fat and gain muscle, but the study's claim about heavier weights being critical may be overstated.
Overview
What the study found
The study in plain English — the bottom line, every takeaway we extracted, and what to do with them.
In simple terms
This study tells us that postmenopausal women who did resistance training seemed to get stronger and change their body fat and muscle. But we don’t know if it was a fair test with random groups, so we can’t say for sure that the training caused the changes.
What’s the bottom line?
This study looked at whether lifting weights helps women after menopause change their body shape - gaining muscle and losing fat. The researchers found that doing resistance training helped these women get stronger, lose belly fat, and gain muscle, no matter which specific training group they were in. They also said that lifting heavier weights is important for these changes.
How strong is this study?
We don’t know how well this study was done because important details are missing — like whether people were randomly assigned to groups. That makes it hard to trust the results fully, because other factors might explain the changes.
0 / 100
- COI disclosureconflicts of interest not disclosed
- Data availabilitydata not shared
- Code availabilitycode not shared
0 / 100
- Randomizationrandomization unclear
- Blindingblinding unclear
- Control groupno control group
- Sample sizeno sample size reported
- Follow-upno follow-up reported
100 / 100
0 / 100
- P-valuesno p-values reported
- Effect sizeno effect size reported
- Confidence intervalsno confidence intervals
- Pre-registrationnot pre-registered
Each component is scored out of 100 and then capped by the study design — a case series cannot reach the ceiling a randomised trial can, however well it is reported.
Where it sits
RCT reviewsReviews of RCTs (Meta-analyses)
Max 100Randomized TrialsRandomized Trials
Max 90Reviews of Cohort StudiesReviews of Cohort Studies
Max 85Cohort StudiesCohort Studies
Max 72Reviews of Case-Control StudiesReviews of Case-Control Studies
Max 63Case-Control StudiesCase-Control Studies
Max 58Cross-Sectional & Case SeriesCross-Sectional & Case Series
Max 50Expert OpinionExpert Opinion
Max 520 / 100
Probability of being correct
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
This design cannot establish causation — the findings describe an association, not a cause. The abstract does not explicitly state randomization, control group, or blinding. Therefore, this cannot be classified as an RCT. Without confirmation of controlled experimental design, causation cannot be inferred.
COI Unknown
Could not determine conflict of interest status
No COI information provided in the text.
The provided text only contains results and does not include any funding or conflict of interest disclosures.
Key takeaways
- 01
The study found that resistance training helped postmenopausal women improve their physical performance, reduce belly fat and total body fat, and increase muscle mass and strength.
- 02
However, the abstract does not report the exact numbers or how much improvement occurred, so we cannot say the size of the effect.
- 03
The abstract does not provide specific numbers, so we cannot say how much belly fat was lost or how much muscle was gained.
- 04
The absolute risk reduction or improvement was not reported in this study.
- 05
We only know that the changes were statistically significant.
Surprising findings
- Improvements occurred regardless of group assignment, meaning all resistance training groups benefited similarly.The authors emphasized higher load as critical, but the data showed no group differences, suggesting that the intensity may not be as important as the act of training itself.
- Body recomposition (gaining muscle while losing fat) was achieved in postmenopausal women.It's often believed that after menopause, hormonal changes make it nearly impossible to build muscle and lose fat at the same time. This study contradicts that belief.
Practical takeaways
Incorporate resistance training into your routine, even if you're postmenopausal, to improve body composition and strength.
The abstract does not specify the exact training protocol, frequency, or duration, so it's unclear what 'resistance training' entailed. Also, effect sizes were not reported, so the magnitude of benefit is unknown.
low confidenceDon't get hung up on lifting heavy weights – any resistance training may be beneficial, as improvements occurred regardless of group assignment.
This is based on the abstract's statement that improvements were 'regardless of group assignment,' but we don't know if the groups differed in load or other factors. The authors' claim about higher load is not supported by the data.
low confidenceWhy this study matters
Body Recomposition Is Possible After Menopause
The study found that postmenopausal women who did resistance training significantly improved physical performance, reduced visceral adipose tissue, total fat mass, and body fat percentage, and increased muscle mass and strength. These changes occurred regardless of which specific training group they were in, suggesting that any resistance training can be beneficial.
Many believe that after menopause, it's nearly impossible to build muscle and lose fat simultaneously. This study challenges that notion, offering hope for women in this life stage.
The 'Higher Load' Claim: Fact or Overreach?
The authors state that 'the higher load of RT is a critical factor in the body recomposition of postmenopausal women.' However, the abstract notes improvements 'regardless of group assignment,' meaning all groups improved. Without effect sizes or group comparisons, this causal claim appears to overstep the evidence.
This highlights a common issue in research where authors draw stronger conclusions than the data support. It's a teachable moment about critical thinking and interpreting scientific claims.
Visceral Fat Reduction: More Than Just Weight Loss
The study reported significant reductions in visceral adipose tissue (VAT), which is the dangerous fat around organs linked to metabolic disease. This is particularly important for postmenopausal women, who often see an increase in VAT due to hormonal changes.
Visceral fat is a major health risk, and knowing that resistance training can specifically target it is motivating for many people, especially those concerned about heart health and diabetes.
Strength Gains: The Overlooked Benefit
In addition to body composition changes, the study found significant increases in muscle mass and strength. This is crucial for postmenopausal women because strength is directly linked to functional independence and quality of life as we age.
Many focus on weight loss, but strength is what keeps you mobile and prevents falls. This study reinforces that resistance training is about more than looks – it's about longevity.
Want the whole report?
Detailed mode opens the full scientific breakdown — every score component, the methodology, conflicts of interest, the evidence analysis behind each claim, and the raw study data.
Overview
What the study found
The study in plain English — the bottom line, every takeaway we extracted, and what to do with them.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
This study looked at whether lifting weights helps women after menopause change their body shape - gaining muscle and losing fat. The researchers found that doing resistance training helped these women get stronger, lose belly fat, and gain muscle, no matter which specific training group they were in. They also said that lifting heavier weights is important for these changes.
Research results
The study found that resistance training helped postmenopausal women improve their physical performance, reduce belly fat and total body fat, and increase muscle mass and strength. However, the abstract does not report the exact numbers or how much improvement occurred, so we cannot say the size of the effect.
What this means - more context
The abstract does not provide specific numbers, so we cannot say how much belly fat was lost or how much muscle was gained. The absolute risk reduction or improvement was not reported in this study. We only know that the changes were statistically significant.
To determine if resistance training load intensity affects body recomposition (muscle gain and fat loss) in postmenopausal women.
The study found that resistance training led to significant improvements in physical performance, significant reductions in visceral adipose tissue, total fat mass, and body fat percentage, and increases in muscle mass and strength in postmenopausal women, regardless of group assignment. The authors state that higher load resistance training is a critical factor for body recomposition, though effect sizes were not reported in the abstract.
Methods Used
Methodology details not available in abstract
Main Finding
Resistance training significantly improved physical performance, reduced visceral adipose tissue, total fat mass, and body fat percentage, and increased muscle mass and strength in postmenopausal women, regardless of group assignment. The authors assert that higher load resistance training is critical for body recomposition. No effect sizes or absolute risk reductions were reported in the abstract.
Confidence Level
Limited - based on abstract only, full methodology not available
Study Flags
Red Flags
- •Full text not available - methodology details cannot be verified
- •No effect sizes or absolute risk reductions reported in abstract
- •Causal claim about higher load may overstep evidence since improvements occurred regardless of group assignment
No biological mechanisms were identified in this study. This may be an epidemiological, observational, or survey-based study that reports associations rather than proposing causal biological pathways.
Surprising Findings
Improvements occurred regardless of group assignment, meaning all resistance training groups benefited similarly.
The authors emphasized higher load as critical, but the data showed no group differences, suggesting that the intensity may not be as important as the act of training itself.
Practical Takeaways
Incorporate resistance training into your routine, even if you're postmenopausal, to improve body composition and strength.
RCT reviewsReviews of RCTs (Meta-analyses)
Max 100Randomized TrialsRandomized Trials
Max 90Reviews of Cohort StudiesReviews of Cohort Studies
Max 85Cohort StudiesCohort Studies
Max 72Reviews of Case-Control StudiesReviews of Case-Control Studies
Max 63Case-Control StudiesCase-Control Studies
Max 58Cross-Sectional & Case SeriesCross-Sectional & Case Series
Max 50Expert OpinionExpert Opinion
Max 520 / 100
Probability of being correct
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
Human RCT
Subject
Lower probability
on the GRADE evidence scale
This study tells us that postmenopausal women who did resistance training seemed to get stronger and change their body fat and muscle. But we don’t know if it was a fair test with random groups, so we can’t say for sure that the training caused the changes.
Weaknesses
- Randomization status not explicitly stated → treated as unknown
- Blinding status not explicitly stated → treated as unknown
- Control group presence not explicitly stated → treated as unknown
Methodology
Evidence Keywords
Statistical Reporting
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
This study looked at whether lifting weights helps women after menopause change their body shape - gaining muscle and losing fat. The researchers found that doing resistance training helped these women get stronger, lose belly fat, and gain muscle, no matter which specific training group they were in. They also said that lifting heavier weights is important for these changes.
Research results
The study found that resistance training helped postmenopausal women improve their physical performance, reduce belly fat and total body fat, and increase muscle mass and strength. However, the abstract does not report the exact numbers or how much improvement occurred, so we cannot say the size of the effect.
What this means - more context
The abstract does not provide specific numbers, so we cannot say how much belly fat was lost or how much muscle was gained. The absolute risk reduction or improvement was not reported in this study. We only know that the changes were statistically significant.
To determine if resistance training load intensity affects body recomposition (muscle gain and fat loss) in postmenopausal women.
The study found that resistance training led to significant improvements in physical performance, significant reductions in visceral adipose tissue, total fat mass, and body fat percentage, and increases in muscle mass and strength in postmenopausal women, regardless of group assignment. The authors state that higher load resistance training is a critical factor for body recomposition, though effect sizes were not reported in the abstract.
Methods Used
Methodology details not available in abstract
Main Finding
Resistance training significantly improved physical performance, reduced visceral adipose tissue, total fat mass, and body fat percentage, and increased muscle mass and strength in postmenopausal women, regardless of group assignment. The authors assert that higher load resistance training is critical for body recomposition. No effect sizes or absolute risk reductions were reported in the abstract.
Confidence Level
Limited - based on abstract only, full methodology not available
Study Flags
Red Flags
- •Full text not available - methodology details cannot be verified
- •No effect sizes or absolute risk reductions reported in abstract
- •Causal claim about higher load may overstep evidence since improvements occurred regardless of group assignment
No biological mechanisms were identified in this study. This may be an epidemiological, observational, or survey-based study that reports associations rather than proposing causal biological pathways.
Surprising Findings
Improvements occurred regardless of group assignment, meaning all resistance training groups benefited similarly.
The authors emphasized higher load as critical, but the data showed no group differences, suggesting that the intensity may not be as important as the act of training itself.
Practical Takeaways
Incorporate resistance training into your routine, even if you're postmenopausal, to improve body composition and strength.
RCT reviewsReviews of RCTs (Meta-analyses)
Max 100Randomized TrialsRandomized Trials
Max 90Reviews of Cohort StudiesReviews of Cohort Studies
Max 85Cohort StudiesCohort Studies
Max 72Reviews of Case-Control StudiesReviews of Case-Control Studies
Max 63Case-Control StudiesCase-Control Studies
Max 58Cross-Sectional & Case SeriesCross-Sectional & Case Series
Max 50Expert OpinionExpert Opinion
Max 520 / 100
Probability of being correct
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
Human RCT
Subject
Lower probability
on the GRADE evidence scale
This study tells us that postmenopausal women who did resistance training seemed to get stronger and change their body fat and muscle. But we don’t know if it was a fair test with random groups, so we can’t say for sure that the training caused the changes.
Weaknesses
- Randomization status not explicitly stated → treated as unknown
- Blinding status not explicitly stated → treated as unknown
- Control group presence not explicitly stated → treated as unknown
Methodology
Evidence Keywords
Statistical Reporting
Scoring
How strong is this study?
We don’t know how well this study was done because important details are missing — like whether people were randomly assigned to groups. That makes it hard to trust the results fully, because other factors might explain the changes.
0 / 100
- COI disclosureconflicts of interest not disclosed
- Data availabilitydata not shared
- Code availabilitycode not shared
0 / 100
- Randomizationrandomization unclear
- Blindingblinding unclear
- Control groupno control group
- Sample sizeno sample size reported
- Follow-upno follow-up reported
100 / 100
0 / 100
- P-valuesno p-values reported
- Effect sizeno effect size reported
- Confidence intervalsno confidence intervals
- Pre-registrationnot pre-registered
Each component is scored out of 100 and then capped by the study design — a case series cannot reach the ceiling a randomised trial can, however well it is reported.
Where it sits
RCT reviewsReviews of RCTs (Meta-analyses)
Max 100Randomized TrialsRandomized Trials
Max 90Reviews of Cohort StudiesReviews of Cohort Studies
Max 85Cohort StudiesCohort Studies
Max 72Reviews of Case-Control StudiesReviews of Case-Control Studies
Max 63Case-Control StudiesCase-Control Studies
Max 58Cross-Sectional & Case SeriesCross-Sectional & Case Series
Max 50Expert OpinionExpert Opinion
Max 520 / 100
Probability of being correct
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
This design cannot establish causation — the findings describe an association, not a cause. The abstract does not explicitly state randomization, control group, or blinding. Therefore, this cannot be classified as an RCT. Without confirmation of controlled experimental design, causation cannot be inferred.
COI Unknown
Could not determine conflict of interest status
No COI information provided in the text.
The provided text only contains results and does not include any funding or conflict of interest disclosures.
Standing
Who’s using this study?
The videos and claims on this site that lean on this study, and the researchers who wrote it.
2 videos from Menno Henselmans cite this study, drawing 2 claims from it.
- Correlational evidence
The evidence shows a real association, but the studies are observational, so they cannot prove cause and effect. Stronger studies could still change the picture.
Evidence
- Very strong evidence
Randomized or controlled trials support this claim, alongside consistent supporting evidence.
Evidence