How to Change Your Muscle Fiber Composition (and Why You'd Want To)
by Rachel Fairbank from Lifehacker on (#5QDSM)
Most fitness-minded people have probably heard of fast- and slow-twitch muscle fibers. However, the distinction can be somewhat mysterious, especially in the context of understanding how it relates to our ability to do endurance versus sprinting, and our body's ability to develop one versus the other, depending on our...