What time you exercise doesn’t affect muscle force or reduce blood sugar, study shows

The skill of skeletal muscle to invent force (contractile characteristic) and contraction-stimulated glucose uptake (extend in clearing sugar from bloodstream) enact no longer differ by time of day, no topic intercourse or muscle form.

The essential-of-its-kind search without extend investigated intrinsic contractile characteristic or glucose metabolism in skeletal muscle over a 24-hour circadian cycle. The findings are printed within the journal Characteristic.

A rising body of assessment suggests that these two components fluctuate by time of day, while chronobiological outcomes on intrinsic skeletal muscle properties are considered the underlying mediator.

To test their theory, researchers measured intrinsic contractile characteristic and endurance, as properly as contraction-stimulated glucose uptake in mice four times per day.

“Overall, these outcomes imply that point-of-day variation in disclose efficiency and the glycemia-cutting again advantages of disclose are no longer as a consequence of chronobiological outcomes on intrinsic muscle characteristic or contraction-stimulated glucose uptake,” the assessment team wrote.

More data:
Liam S Fitzgerald et al, Intrinsic Skeletal Muscle Characteristic and Contraction-stimulated Glucose Uptake Impact No longer Vary by Time-of-day in Mice, Characteristic (2024). DOI: 10.1093/characteristic/zqae035