Randomized Trialhigh evidence

High- and Low-Load Resistance Training Produce Distinct Skeletal Muscle Growth but Similar Changes in Tendon Morphology.

Medicine and science in sports and exercise·June 22, 2026·PMID 42319300

Why it matters

For performance and longevity specialists, this study clarifies that when training to failure, low loads can effectively build muscle, potentially reducing joint stress while still stimulating tendon adaptations. It supports flexible load prescription for muscle hypertrophy and highlights that tendon changes may depend more on exercise-specific strain than absolute load.

Infographic summary of High- and Low-Load Resistance Training Produce Distinct Skeletal Muscle Growth but Similar Changes in Tendon Morphology.
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