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the claim
Biological dimorphism results in greater average upper body strength in human males compared to females
the verdict
SUPPORTED
the evidence backs this
refutedsupported
the weight of evidence
3 sources for · 0 against

Biological dimorphism results in human males having greater average upper body strength and muscle mass compared to females.

Evidence for · 3
Substantial but Misunderstood Human Sexual Dimorphism Results Mainly From Sexual Selection on Males and Natural Selection on Females
2022 · cited by 26
Paper 4 notes that human males typically possess significantly more lean body mass, muscle mass, and arm muscle, yielding parallel sex differences in strength.
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The analysis

The retrieved papers provide robust physiological and evolutionary evidence demonstrating that human males possess greater average muscle mass and absolute upper body strength compared to females due to biological dimorphism.

More for · 2
Big Bones Mean Big Muscles: An MRI-Based Dataset of Muscle-Bone-Body Size Relationships Across 70 Human Muscles of the Upper Limb, Trunk, and Lower Limb.
2025 · cited by 9
Paper 7 establishes that biological skeletal dimensions and muscle volume distributions differ between sexes, correlating with variations in muscularity and strength.
Sex differences in resistance training: a brief narrative review
2026 · cited by 2
Paper 11 confirms that males typically exhibit greater absolute strength than females due to higher muscle mass and physiological factors.
The paper trail · every fact has a biography
first checked31 Jul 2026
judged → SUPPORTED · 8431 Jul 2026
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