Does biking make your legs bigger?

Original Title

Cycle exercise training and muscle mass: A preliminary investigation of 17 lower limb muscles in older men

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Summary

Biking for 12 weeks made some leg muscles bigger in older men, but not all — only the front and inner thigh muscles grew, while calf and other thigh muscles stayed the same or got smaller.

Proposed Mechanism

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.

Quality Analysis
Methodology
38%
Lower QualityOverall Score
Cross-Sectional StudyMedicine

Systematic Reviews & Meta-Analyses

Max 100

Randomized Controlled Trials

Max 90

Cohort Studies

Max 72

Case-Control Studies

Max 58

Cross-Sectional Studies

Max 44

Case Reports & Case Series

Max 30

Expert Opinion & Narrative Reviews

Max 5
StrongerWeaker
Cross-Sectional Studies
Level 3b
38

38 / 44

Evidence Score

A snapshot of a population at a single point in time. Can identify correlations and prevalence, but cannot determine the direction of cause and effect.

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