A Grade 3 ACL tear — or complete rupture — results in significant knee instability. Because the anterior cruciate ligament no longer provides mechanical support, the knee can shift excessively during walking, pivoting, or change of direction.
Bracing is often recommended following a complete ACL tear, either while awaiting surgical opinion or as part of non-operative management. While a brace does not “heal” the ligament, it can play a role in protecting the knee during early recovery.
Why Bracing May Be Recommended
1. Improved Knee Stability
A functional ACL brace helps limit excessive forward movement of the tibia relative to the femur. This can reduce episodes of giving-way during daily activities.
2. Protection of Secondary Structures
Ongoing instability following a complete ACL rupture increases the risk of secondary meniscal and cartilage injury. External support may reduce abnormal joint movement during the early phase after injury.
3. Confidence During Rehabilitation
After an ACL rupture, psychological confidence is often reduced. A brace can provide reassurance while strength and neuromuscular control are being restored.
4. Support in Non-Surgical Management
For individuals managing their ACL tear conservatively, bracing may assist during higher-risk activities, particularly in the early stages of rehabilitation.
When Bracing May Be Less Necessary
Bracing is not required in every case.
Research suggests that long-term outcomes after ACL reconstruction are not significantly altered by routine post-operative bracing in all patients. Many individuals progress well with structured rehabilitation alone.
Bracing decisions should consider:
- Degree of instability
- Presence of associated meniscal injury
- Activity demands
- Surgical vs non-surgical pathway
- Individual confidence levels
As discussed in our previous ACL blog posts, early assessment and structured rehabilitation are critical — whether surgery is pursued or not.
Bracing Is Not a Substitute for Rehabilitation
It is important to understand that a brace does not replace strength, proprioception, or neuromuscular control.
Rehabilitation should focus on:
- Restoring full knee extension
- Quadriceps activation
- Hamstring strength
- Hip and lower limb stability
- Movement retraining
Bracing may provide temporary support, but long-term stability depends on muscular control and appropriate management.
A Tailored Approach
Following a Grade 3 ACL tear, management should be individualised. Some patients require early orthopaedic referral, while others may trial conservative rehabilitation first.
At Aret Chiropractic, we assess knee stability, functional capacity, and associated injury before guiding patients on bracing, rehabilitation, or referral pathways. If surgical opinion is required, appropriate referral is made.
If you have recently sustained an ACL injury or have been diagnosed with a complete rupture, call us on (02) 8018 8883 to speak with one of our Chiropractors at Aret Chiropractic in North Ryde, or book online for a consultation.
References
Beynnon BD, et al. The effect of functional knee bracing on anterior cruciate ligament strain and knee stability. Am J Sports Med.
Wright RW, et al. Knee bracing after ACL reconstruction: a systematic review. J Am Acad Orthop Surg.
Kruse LM, et al. Rehabilitation after anterior cruciate ligament reconstruction: a systematic review. J Bone Joint Surg Am.
Risberg MA, et al. Neuromuscular training versus strength training during ACL rehabilitation. Am J Sports Med.
Monk AP, et al. Management of anterior cruciate ligament injuries: evidence-based guideline. BMJ.