This page presents a case report of a 36-year-old male with a complete anterior cruciate ligament (ACL) tear who achieved natural healing without surgery through Evo-Devo Exercises.
ACL Online Therapy for natural healing
The case reports of ACL natural healing
Patient Information:
- Age / Gender: 36-year-old Japanese male
- Date of Injury: February 4, 2023
- Injury Situation: Fell while skiing and twisted his left knee
- Initial Response: X-ray, joint aspiration, emergency bracing
MRI performed on February 7, 2023, diagnosed a complete ACL tear. Three radiologists independently evaluated the image and all rated it as Ihara Classification Grade 4 (ruptured, horizontally oriented, or indistinct).
Treatment Summary:
- Start of Therapy: February 14, 2023
- Brace: Not used (early mobilization allowed with slight knee flexion)
- Exercise Therapy: Evo-Devo Exercises, 3 times daily
- Duration: About 4 months
Manual Tests (May 2, 2023):
| Test | Result |
|---|---|
| Lachman Test | ± (slightly loose) |
| Pivot Shift Test | Negative |
| Lever Arm Test | Negative |
MRI Re-evaluation (June 16, 2023):
Three radiologists assessed the ACL healing using the ACLOAS score system.
ACLOAS Score Definitions:
- Score 0: Normal ACL (normal shape and signal)
- Score 1: Thickened ligament or high intraligament signal, but normal continuity
- Score 2: Thinned or elongated ligament, continuity preserved
- Score 3: Discontinuous ACL, ruptured
Case Result:
- Score 1: 2 radiologists
- Score 2: 1 radiologist
Discussion:
Despite being classified as Ihara Grade 4 (a complex and severe tear), this case showed notable ACL healing through consistent Evo-Devo Exercises. With 2 radiologists rating the ligament as Score 1 and 1 as Score 2, and with clinical stability confirmed, this case demonstrates the potential of non-surgical natural healing of ACL tears.
✅ Summary:
| Age / Gender | 36-year-old male |
| Injury Type | Ihara Grade 4 ACL tear |
| Treatment | Non-surgical (Evo-Devo Exercises, no brace) |
| Duration | Approx. 4 months |
| MRI Results | ACLOAS Score 1 (2), Score 2 (1) |
| Manual Test | Lachman ±, Pivot −, Lever − |
| Conclusion | Proves possibility of natural healing even in complex tears |
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