Help ASAP please ! DEFINE
1. Flexion
2. Extension
3. Static stretch
4. Dynamic stretch
5. Ballistic stretch

1. the action of bending or the condition of being bent, especially the bending of a limb or joint.

2.a part that is added to something to enlarge or prolong it; a continuation.

3.are those in which you stand, sit or lie still and hold a single position for a period of time, up to about 45 seconds.

4.is a movement-based type of stretching. It uses the muscles themselves to bring about a stretch.

5.involves stretching by bouncing into (or out of) a stretched position by making use of the stretched muscles as a spring that pulls you out of the stretched position, for example bouncing down repeatedly to touch your toes.