The Claim
Daily one-hour static stretching sessions over a six-week period are associated with significant increases in maximal voluntary contraction of the plantar flexors in recreationally active adults, producing strength gains comparable to conventional hypertrophy training protocols performed three times weekly for fifteen minutes.
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.
Doing one hour of static stretching every day for six weeks might make your calf muscles significantly stronger. In fact, the strength gains could be similar to those from traditional muscle-building workouts that only take 15 minutes three times a week.
See the scientific wording
Performing long-lasting static stretching for one hour daily over a six-week period is associated with significant increases in maximal voluntary contraction of the plantar flexors in recreationally active adults, yielding strength improvements comparable to those achieved through conventional hypertrophy training protocols, which typically require only three 15-minute sessions per week.
What the research says
1 studyDoing one hour of daily static stretching for six weeks can build calf strength just as effectively as traditional weightlifting, though it takes much longer to complete.
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.