Fast-Twitch vs. Slow-Twitch Pelvic Fibers: Why Holding a Contraction Is Different From Catching a Leak
The Short Answer: Your pelvic floor is made up of two distinct types of muscle fibers: slow-twitch fibers (which maintain long-term support and postural tone) and fast-twitch fibers (which react instantly to stop leaks during sudden pressure spikes like a sneeze or jump). If you can hold a 10-second pelvic floor contraction while lying down … Read more