The ACL is a key ligament inside the knee joint that helps control stability, especially during pivoting, cutting, and sudden changes in direction. An ACL injury is one of the most common and serious knee injuries, particularly in athletes and active individuals.
Injuries typically occur during sports such as soccer, basketball, netball, skiing, and rugby. Symptoms often include a popping sensation at the time of injury, rapid swelling, pain, instability or a “giving way” feeling, and reduced range of motion.
ACL injuries can range from mild sprains to complete ruptures, with severity influencing the appropriate management pathway.
Why Early Assessment Matters
While some people attempt to “wait and see,” research suggests that delayed diagnosis of ACL tears can increase the risk of secondary meniscal and cartilage damage due to ongoing instability.
Here’s why prompt evaluation is important:
1. Accurate Diagnosis
Early clinical examination and appropriate referral for imaging (such as MRI where indicated) confirm the severity of injury and identify associated damage to the meniscus, cartilage, or other ligaments.
2. Prevention of Secondary Injury
An unstable knee can continue to shift abnormally, placing stress on surrounding structures. Studies indicate that ongoing instability may increase the likelihood of additional meniscal tears and long-term joint degeneration if not managed early.
3. Better Treatment Planning
Not all ACL injuries follow the same pathway. Early assessment helps determine:
- Whether surgical referral is appropriate
- If conservative management is suitable
- The degree of instability
- Associated injuries
- Individual activity and sport goals
Evidence supports that structured early management — whether surgical or conservative — leads to improved functional outcomes compared to delayed intervention.
4. Improved Rehabilitation Outcomes
Starting rehabilitation early helps restore:
- Full knee extension
- Quadriceps activation
- Strength in the surrounding muscles
- Proprioception (joint position sense)
- Functional knee stability
Early restoration of movement and muscle activation is strongly linked to better long-term results and return-to-sport outcomes.
5. Psychological Confidence
ACL injuries can significantly affect confidence in the knee. Early assessment provides clarity, reassurance, and a clear management plan — which are important factors in overall recovery.
What Early Assessment Involves
A thorough ACL evaluation typically includes:
- Detailed injury history
- Orthopaedic testing for ligament stability
- Swelling and range of motion assessment
- Strength and neuromuscular evaluation
- Referral for imaging when appropriate
- Discussion of management options
At Aret Chiropractic, we prioritise early identification and appropriate referral pathways to ensure patients receive the right care at the right time.
A Tailored Approach to Recovery
In cases of ACL injuries — especially complete ruptures — interdisciplinary care is critical. Chiropractors often work in partnership with general practitioners, orthopaedic surgeons, and sports medicine doctors.
If your ACL injury is unstable or requires surgical opinion, we will refer you rather than attempting to manage the injury alone.
While chiropractic care can support many aspects of recovery, it’s important to know that your chiropractor will not manipulate an unstable knee. Our treatment will focus on addressing the whole lower limb chain which includes the; ankle, knee, hip, pelvis, and lower back.
If you’ve recently injured your knee or suspect an ACL injury, call us on (02) 8018 8883 to have a chat with one of our Chiropractors at Aret Chiropractic in North Ryde or simply book online for a consultation.
References
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Alqahtani TA, et al. Impact of early vs. delayed physical therapy on functional recovery, proprioception, and return to sport after anterior cruciate ligament reconstruction. J Orthop Surg Res. 2025;20(1):644.
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Prevalence and consequences of delayed diagnosis of ACL ruptures; delayed diagnosis increasing risk of secondary injuries. PubMed.
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Early surgical intervention results in better patient-reported outcomes than delayed treatment in ACL with MCL injury. Sci Direct.
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Buckthorpe M, et al. Optimising the early-stage rehabilitation process post-ACL Reconstruction. Sports Med. 2024.
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Faleide AGH & Inderhaug E. Psychological readiness in return to sport after ACL tears. J Exp Orthop. 2023.
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Diagnostic accuracy of clinical ACL injury tests and importance of early identification. Int J Sports Phys Ther.