Meta-Analysis: Does Resistance Training Improve Menopause Symptoms?
BACKGROUND AND PURPOSE:
Sá et al. (Menopause, 2022) assessed the effects (benefits and harms) of resistance muscle training for postmenopausal women
Systematic review and meta-analysis
Studies that assessed the effects of resistance training vs control, on postmenopausal women
Certainty of the evidence was evaluated using GRADE criteria
Frequency of hot flashes
12 trials | 452 women
Risk of bias was unclear to high
No serious adverse events were reported
The certainty of evidence was rated as very low to low
Compared to No exercise
Resistance training (up to 16 weeks) seems to promote an improvement in
Functional capacity: mean difference (MD) 2.90 points (95% CI, 0.60 to 5.20)
Bone mineral density: MD 0.10 (95% CI, 0.10 to 0.10)
Hot flash frequency (reduced): RR 13.0 (95% CI, 1.82 to 93.01)
Fat mass (reduced); MD −3.15 (95% CI, −6.68 to 0.38)
There were no differences observed between groups regarding
Compared to Aerobic Exercise
Resistance training may result in a reduction of
Hot flash frequency: Risk ratio (RR) 0.50 (95% CI, 0.27 to 0.94)
Fat mass: MD −7.80 (95% CI, −14.02 to −1.58)
There were no differences between groups regarding
Quality of life
In this meta-analysis, resistance training was shown to improve symptoms of menopause and functional capacity
The authors state
As an implication for clinical practice, health professionals should consider individualized aspects such as the previous history of exercise practice, physical capacity, and adaptation period
This review reinforced the need for further RCTs with higher methodological quality and better reports, including an increased number of participants, assessing clinically relevant patient-reported outcomes for a long-term follow-up
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