Wednesday, January 30, 2008

Don’t bounce

The second crucial guideline to keep in mind is no bouncing! Bouncing during your stretching actually causes damage to the muscle. Stretching a muscle quickly or forcefully makes your body kick into a natural protective mechanism called the stretch reflex — a nerve response to stress that tells the muscle to contract to protect itself. In other words, bouncing to help your muscles relax and let go can actually cause them to contract and get tighter.
And what’s more, every time you forcefully bounce while in a stretch you actually create microscopic tears in the muscle fibers. You may feel like bouncing increases your flexibility immediately, but that’s only because you have damaged the muscle. In the end, your body heals those little tears with scar tissue, which actually decreases your long-term flexibility, because scar tissue is far less flexible than muscle.

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