The Claim
In resistance training, performing partial repetitions in the lengthened muscle position after reaching momentary failure during full range of motion exercises leads to greater hypertrophy of the medial gastrocnemius muscle compared to ceasing exercise at full-range failure.
What the research says
Roughly balanced
Support and challenge are close. The picture may shift as more studies come in.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
If you keep doing partial calf raises after you can't do any more full ones, you might grow your calf muscles more.
See the scientific wording
Performing partial repetitions in the lengthened muscle position after reaching momentary failure in a full range of motion increases medial gastrocnemius hypertrophy compared to stopping at full-range failure.
When the calf muscle is stretched at the bottom of a calf raise and extra short movements are performed after reaching failure, the muscle fibers experience higher tension because the protein titin is pulled tight while the muscle is actively contracting. This tension triggers signals inside the muscle cells that cause new muscle proteins to be made and added to the fibers. At the same time, doing more repetitions after failure increases the total amount of work the muscle does, which further stimulates protein growth. Together, these two effects cause the calf muscle to get thicker.
What the research says
3 studiesThis study found that doing a few extra short calf raises after you can't do any more full ones helps your calf muscles grow more than stopping when you're too tired. So yes, pushing past failure with partial moves can give you bigger calves.
The study found that doing extra partial reps at the bottom of a calf raise after you can’t do any more full reps helps your calf muscle grow more.
Scientists tested if doing extra short calf raises after you can't do full ones makes your calves bigger — and found it doesn't. Your calves grew the same whether you stopped at failure or kept going with short reps.
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Score breakdown, mechanism chain, raw evidence, ideal studies needed & 3 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.