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Classification of Jumper's Knee.
| Stage 1 |
Pain after sport. |
| Stage 2 |
Pain at beginning, disappears with warm-up, reappears with
fatigue. |
| Stage 3 |
Pain at rest, worsens with activity, unable to
participate. |
| Stage 4 |
Patellar tendon rupture. |
Stanish's Classification of Jumper's Knee.
| Level 1 |
No pain. |
| Level 2 |
Pain with extreme exertion only. |
| Level 3 |
Pain during and 1-2 hours after exertion. |
| Level 4 |
Pain during any athletic activity and 4 to 6 hours after;
performance diminished. |
| Level 5 |
Pain immediately after the beginning of sports activity;
withdrawal from activity. |
| Level 6 |
Pain during daily activities; inability to participate in
any sports. |
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