The Claim
A minimal volume of 140 resistive contractions performed over 14 days during leg immobilization preserves quadriceps muscle cross-sectional area and isometric strength in healthy young adults, but does not fully prevent atrophy in the triceps surae.
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.
Performing 140 resistance contractions over 14 days during leg immobilization maintains quadriceps muscle size and strength in healthy young adults, but does not fully stop muscle loss in the calf muscles.
See the scientific wording
A minimal volume of 140 resistive contractions over 14 days during leg immobilization preserves quadriceps muscle cross-sectional area and isometric strength in healthy young adults, but does not fully prevent atrophy in the triceps surae.
Doing a small number of leg exercises while the leg is immobilized creates strong muscle stretches and contractions that send signals to the muscle cells to stop breaking down and keep building proteins. This keeps the thigh muscle from shrinking and losing strength, but the calf muscle doesn't get the same signal because it isn't being stretched and contracted the same way.
What the research says
1 studyDoing just 140 leg exercises over two weeks while keeping one leg still helped keep the thigh muscles from getting smaller and weaker, but didn't fully stop the calf muscles from shrinking. It's like a little bit of exercise helps, but not enough to save everything.
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.