Muscles retain molecular memory of repeated inactivity

https://www.news-medical.net/news/20260225/Muscles-retain-molecular-memory-of-repeated-inactivity.aspx Muscle loss, or atrophy, due to inactivity is common after illness, injury, hospitalization or falls, and becomes increasingly frequent with aging. New research published in Advanced Science shows that skeletal muscle retains a "molecular memory" of repeated disuse-and that this memory differs markedly between young and old muscles.