Which workout builds bigger arms faster: regular lifting or slow holds?
Isotonic Resistance Exercise Outperforms Eccentric Quasi-Isometric Resistance Exercise for Increasing Elbow Flexor Muscle Thickness and Estimated One-Repetition Maximum in Untrained Individuals: Exploring the Influence of Sex and Volume.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
People who did regular weightlifting got stronger and their arms got thicker faster than those who did slow, held contractions — even though the slow ones took longer.
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.
Systematic Reviews & Meta-Analyses
Max 100Randomized Controlled Trials
Max 90Cohort Studies
Max 72Case-Control Studies
Max 58Cross-Sectional Studies
Max 44Case Reports & Case Series
Max 30Expert Opinion & Narrative Reviews
Max 545 / 90
Evidence Score
Participants are randomly assigned to treatment or control groups, minimizing bias. Considered the gold standard for testing whether an intervention causes an effect.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
People who did regular weightlifting got stronger and their arms got thicker faster than those who did slow, held contractions — even though the slow ones took longer.
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.
Systematic Reviews & Meta-Analyses
Max 100Randomized Controlled Trials
Max 90Cohort Studies
Max 72Case-Control Studies
Max 58Cross-Sectional Studies
Max 44Case Reports & Case Series
Max 30Expert Opinion & Narrative Reviews
Max 545 / 90
Evidence Score
Participants are randomly assigned to treatment or control groups, minimizing bias. Considered the gold standard for testing whether an intervention causes an effect.
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Claims (5)
Performing multiple sets of resistance exercise with sustained tension and fatigue leads to greater activation of muscle fibers and results in an increase in muscle size.
In people who have not previously trained, performing 8 weeks of traditional weightlifting exercises for the biceps leads to greater increases in muscle size and strength compared to performing exercises that involve holding a weight in a stretched position without moving it.
Over an 8-week training program targeting the elbow flexors, untrained females performed more total resistance exercise volume than untrained males, but both groups showed similar increases in muscle thickness and strength.
Over an 8-week training program targeting the elbow flexors, untrained females performed more total resistance exercise volume than untrained males, but both groups showed similar increases in muscle thickness and strength.
In people who have not previously trained, 8 weeks of traditional weightlifting exercises for the biceps leads to greater increases in muscle size and strength compared to a different type of resistance exercise that involves holding a static position under load.