1. Do not hyperextend infant's neck.

2. Don't hyperextend your elbow.

3. If you tend to hyperextend, typical calf and hamstring stretches done with a straight knee can aggravate the problem unless you take care to engage your quadriceps (front thigh muscles).

4. Participants who hyperextend their knees or elbows place additional stress on stabilizing ligaments and tendons, potentially causing inflammation of joint structures.

5. The man who replaced him at New Orleans, Junior Bryant, is questionable with a hyperextended right elbow.

6. If that happens, your challenge is to learn to contract your quads without letting your knees hyperextend.

7. Instead of engaging the quads to stabilize and protect the knees, people who hyperextend usually just push their knee joints back.