The Claim
Whether you do just compound lifts or add arm isolation moves, both ways help reduce arm fat a little bit — and neither is better than the other.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
Whether you do just compound lifts or add arm isolation moves, both ways help reduce arm fat a little bit — and neither is better than the other.
See the scientific wording
Eight weeks of resistance training, whether with multijoint exercises alone or combined with single-joint exercises, leads to similar small reductions in biceps and triceps skinfold thickness in untrained young women, with no significant difference between groups.
What the research says
1 studyBoth groups of women lost almost the same tiny amount of fat around their upper arms after 8 weeks of lifting weights, no matter if they did only big compound exercises or added isolated ones too.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.