Specifically, there will be a large amount of pain in the knee. Sometimes, there will be no feeling below the knee. If the knee relocates, it will become swollen. You may not be able to feel a pulse (your heartbeat) in your foot.
- Extreme pain or swelling after a serious injury (such as a car crash)
- An obvious deformity of your knee
- Numbness in your foot
- No pulses in your foot