It’s no secret that flexibility is an important factor when training for vertical jump maneuver or improve athletic. What is not so well known that there really are two kinds of flexibility, static and dynamic. Static flexibility is the ability of a muscle to be kept in length. A demonstration of the flexibility of static bends down to touch the ground and remain in that position. Dynamic flexibility is the ability of a muscle expands quickly, without being held in a cocked position. This is off by rapidly to touch the ground, then pull back to be demonstrated. In this type of stretching the targeted muscle (s) are not fully relax in a static stretch, but to get the spring back of the muscle lie. continue reading…