Overcoming the Fear: Understanding and Managing Fear of Reinjury After ACL Surgery

1. Fear of Reinjury is Common and Measurable

   Most studies used the Tampa Scale of Kinesiophobia (TSK) or the Anterior Cruciate Ligament Return to Sport After Injury (ACL-RSI) scale to assess fear levels. These tools help identify patients struggling with fear that could interfere with their recovery and return to sport.
   
   

2. Lower Knee Function Means Higher Fear

   Patients who report poorer knee function and quality of life after surgery tend to have higher fear levels. This includes difficulties with daily activities, sports, and overall knee confidence.
   
   

3. Pain and Symptoms Fuel the Fear

   Postoperative pain and symptoms, including specific issues like patellofemoral pain (pain around the kneecap), are strongly linked to increased fear of movement. Pain catastrophizing—when patients magnify the threat or severity of pain—also contributes to higher kinesiophobia.
   
   

4. Timing Matters: Early Recovery is Toughest

   Fear is usually highest soon after surgery and tends to decrease over time. Patients closer to their surgery date or those who had longer delays between injury and surgery were more likely to experience greater fear.
   
   

5. Psychological and Demographic Factors Play a Role

   Women, patients with lower self-confidence in their rehabilitation, and those who did not return to their previous level of sport reported higher fear levels. This signals the importance of addressing mental and emotional aspects alongside physical rehab.

Fear of reinjury is a natural response but can become a barrier to fully regaining your active lifestyle. Recognizing and addressing this fear early on can improve your chances of returning to sport and enjoying life without limits. Using validated tools like the TSK or ACL-RSI, healthcare professionals can screen for fear and tailor rehabilitation programs that include psychological support, pain management, and realistic goal-setting.

If you’re too afraid to move or use your knee, it might slow down your recovery and make it harder for you to get back to your normal activities. By knowing how much fear you have, your healthcare team can better help you overcome it and improve your healing.

• The TSK is a simple questionnaire with questions about how you feel about moving your knee and doing activities.
• You answer each question by choosing how much you agree or disagree with statements like “I’m afraid that I might injure my knee if I move it.”
• Your answers give a score that shows how much fear you have about movement.

There are a few versions, but for people recovering from ACL surgery, the TSK-17 (the original) and TSK-13 versions are recommended because they are accurate and reliable. These versions take about 7 to 9 minutes to complete.

• Your healthcare provider will look at your score.
• If your fear of movement is high, they might give you special education, exercises, or gradual activities to help you feel more confident moving your knee.
• This way, you can safely regain strength and mobility without unnecessary worry.

• Feeling some fear is normal, but it shouldn’t stop your recovery.
• The TSK helps us understand your feelings so you get the right support.
• Be honest when answering the questions—it helps your care team help you better!

1. Dupuis, F., Cherif, A., Batcho, C., Massé-Alarie, H., & Roy, J.-S. (2023). The Tampa Scale of Kinesiophobia: A systematic review of its psychometric properties in people with musculoskeletal pain. The Clinical Journal of Pain, 39(5), 236–247.
2. Mir, B., Vivekanantha, P., Dhillon, S., Cotnareanu, O., Cohen, D., Nagai, K., & de SA, D. (2023). Fear of reinjury following primary anterior cruciate ligament reconstruction: A systematic review. Knee Surgery, Sports Traumatology, Arthroscopy, 31(6), 2299–2314.