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ACL Rehabilitation: The Role of Physiotherapy in Returning to Life, Activity, and Sport

ACL Rehabilitation: The Role of Physiotherapy in Returning to Life, Activity, and Sport

by | Apr 22, 2025 | ACL, Gym and Strength, Knee, Return to Sport, Running Injuries

On today’s Praxis what you Preach, we cover a very common injury here in Australia – the Anterior Cruciate ligament (ACL) injury. At Praxis Physiotherapy, we understand that recovering from ACL reconstruction is more than just healing a knee — it’s about restoring confidence, movement, and returning to the activities and lifestyle that matter most to each person. Physiotherapists are uniquely placed to guide this journey from surgery through to return to everyday function, recreation, and sport.

What is an ACL Rupture?

The ACL is one of the key stabilising ligaments of the knee, crucial for controlling rotation and forward movement of the tibia. An ACL rupture typically occurs during sudden changes in direction, pivoting, or awkward landings — common in sports like AFL, soccer, basketball, and netball. It most often affects young, active individuals, particularly females, due to biomechanical and hormonal factors. While not all ACL injuries require surgery, those with complete ruptures who wish to return to cutting or pivoting sports usually undergo ACL reconstruction. Regardless of the surgical decision, structured rehabilitation guided by a physiotherapist is essential for a successful recovery and long-term knee health.

The Importance of Physiotherapy in ACL Rehab

Research shows that while around 80% of individuals return to some form of sport after ACL reconstruction, only 65% return to their preinjury level and just 55% to competitive levels (Andrade et al. 2020). Physiotherapy plays a vital role in improving these outcomes by guiding progressive rehabilitation and using structured criteria-based progressions.

Physiotherapy-led rehabilitation should begin early, with emphasis on knee mobilisation, weight-bearing as tolerated, and initiation of neuromuscular training (Andrade et al. 2020). The BJSM systematic review of clinical guidelines for ACL rehab supports early kinetic chain exercises (both open and closed), strength training, cryotherapy, and neuromuscular stimulation when indicated (Andrade et al. 2020).

From Healing to Performance: A Continuum

Recovery after ACL surgery should follow a continuum from impairment-based care to performance restoration. This includes early pain and swelling control, progressive strength and range of motion restoration, motor control retraining, and sport-specific preparation. At Praxis, we follow a phase-based rehabilitation model tailored to individual needs. These needs may include the type of surgical graft used, concurrent injury (e.g meniscus / MCL), the operating surgeon’s post-op protocols, the patient’s goals, sport-specific demands, timelines for return to competition, and previous levels of function — all of which require thoughtful and collaborative clinical decision-making.

Unfortunately, studies show that many patients are discharged before meeting strength or performance benchmarks — particularly in strength-focused exercises like the split squat, squat, or deadlift, which play a vital role in ACL rehab progression. For example, performing around 22 single-leg sit-to-stands is one such late-stage benchmark that reflects adequate quadriceps strength and control before return to sport (Welling et al 2018). Nichols et al. (2021) found that most published rehabilitation protocols emphasize endurance and hypertrophy without progressing to the strength or power needed to reduce reinjury risk. This underlines the need for physiotherapists to include high-intensity, sports specific strength training and late-stage performance metrics as patients near return to sport.

Addressing Muscle Atrophy and Weakness

Quadriceps atrophy remains a key barrier to recovery post-ACL reconstruction. Evidence supports adjunct interventions such as neuromuscular electrical stimulation and blood flow restriction (BFR) training to combat muscle loss, particularly in the early post-operative period (Charles et al. 2020). BFR combined with low-load resistance exercise has been shown to reduce muscle wasting and promote strength gains when higher loads are contraindicated — we explore this more in our Blood Flow Restriction Training blog. We use this frequently at Praxis Physiotherapy in both reformer pilates and early gym based settings. 

The Role of the Physio: More Than Just Exercise

Our job as physiotherapists goes beyond prescribing exercises. We support patients through the emotional and motivational challenges of recovery, address fear of re-injury, and help them develop the confidence to return to sport or physically demanding jobs. We tailor plans based on functional goals, sport-specific needs, and personal circumstances.

At Praxis, this also means working closely with coaches, GPs, surgeons, and families to ensure clear communication and aligned expectations. For sporting patients, this might include on-field rehab or comprehensive return-to-play assessments in collaboration with clubs and teams.

A Collaborative, High-Performance Rehabilitation Environment

At Praxis Physiotherapy, we bring high-performance rehab principles to all patients — not just elite athletes. Our team has provided physiotherapy services to the Aspley Hornets AFL Club since 2014, giving us deep insight into the physical and mental demands of competitive sport. We apply this same standard of care to everyday athletes, weekend warriors, and anyone seeking to return to an active lifestyle.

We also work closely with orthopaedic knee and shoulder surgeon Dr. Kelly Macgroarty, including in-room triage consulting, ensuring a seamlessly integrated, evidence-informed rehabilitation pathway. This collaboration allows us to align surgical timelines, post-op considerations, and physiotherapy progressions — from day one to return to sport.

Our clinical culture is shaped by exposure to elite-level sports environments, including AFL, representative athletics, and professional national cricket programs. But rather than highlight individual accolades, we’re most proud of the high clinical standards and systems-based approach that ensure our entire team delivers the same quality of care — no matter who walks through the door.

Each of our Brisbane based clinics includes access to gym facilities and reformer Pilates equipment, allowing for real-world, function-driven exercise. These resources support patients to not only recover structurally but also return to high levels of strength, coordination, and performance in line with the latest evidence-based guidelines.

A Message to Our Patients

Whether you’re an athlete aiming for competitive return or someone wanting to run after your kids again, we bring the same level of care and attention to your ACL rehab. Recovery is not just about timelines — it’s about building back strength, movement, and trust in your knee. Ready to get started with your own recovery plan? Explore the ACL physiotherapy services at Praxis and book an appointment today.

Until next time, Praxis What You Preach…

📍 Clinics in Teneriffe, Buranda, and Carseldine
💪 Trusted by athletes. Backed by evidence. Here for everyone.

For more insights into long-term knee health, including non-surgical rehab, check out our Knee Osteoarthritis blog.

References

Andrade R, et al. (2020). How should clinicians rehabilitate patients after ACL reconstruction? A systematic review of clinical practice guidelines. Br J Sports Med, 54(9), 512–519.

Kochman M, et al. (2022). ACL Reconstruction: Which Additional Physiotherapy Interventions Improve Early-Stage Rehabilitation? Int J Environ Res Public Health, 19(23), 15893.

Charles D, et al. (2020). A systematic review of the effects of blood flow restriction training on quadriceps muscle atrophy and circumference post ACL reconstruction. Int J Sports Phys Ther, 15(6), 882–889.

Nichols ZW, et al. (2021). Is resistance training intensity adequately prescribed to meet the demands of returning to sport following ACL repair? A systematic review. BMJ Open Sport Exerc Med, 7(1), e001144.

Welling W, Benjaminse A, Gokeler A, Otten E, & Seil R. (2018). Low rates of patients meeting return to sport criteria 9 months after anterior cruciate ligament reconstruction: a prospective longitudinal study. Knee Surg Sports Traumatol Arthrosc, 26(12), 3636–3644.

Hamstring Strain Injuries: Lessons from Personal Experience and the Latest Research

Hamstring Strain Injuries: Lessons from Personal Experience and the Latest Research

by | May 29, 2023 | Gym and Strength, Return to Sport, Running Injuries

Recently, in an effort to keep the ballooning effects of the all-you-can-eat buffet at bay during my Cricket Australia Indian tour, I ramped up my high-intensity running load. Things were going splendidly — four days of high-intensity running under my belt — until day five, when 90% of the way through a very intense interval session, I tore my hamstring.

I felt the tell-tale sensation so many of my patients describe: a sharp tearing and retraction sensation in my outer thigh while sprinting. I had to pull up immediately and iced the injury straight away. You’ll be happy to hear that I’ve since fully recovered. No longer ‘gun shy’ at my top speeds (which, admittedly, are not that fast!), my strength has vastly improved, and I’m back running at full capacity.

Having treated countless hamstring injuries through my long involvement in recreational, semi-elite, and elite sport — especially with Cricket Australia teams and the Aspley Hornets NEAFL squad — this experience gave me even deeper appreciation for how tricky these injuries can be. Hamstring strains are one of the most common injuries in running athletes, responsible for significant downtime and lost performance. Hamstring injuries have remained the most prevalent injury in professional AFL for the past 21 consecutive seasons (Orchard et al., 2013), with the average 2012 injury costing clubs over $40,000 per player!

Understanding Hamstring Injury Mechanisms

Most hamstring tears occur during the late-swing phase of running, where the hamstring undergoes rapid lengthening while producing high forces (Danielsson et al., 2020). Key risk factors include:

  • High eccentric loading demands.

  • Poor neuromuscular control.

  • Muscle imbalances (particularly hamstrings vs quadriceps).

  • Fatigue — as evidenced by my own injury, occurring late in a demanding session!

Importantly, the long head of biceps femoris is the most commonly injured muscle, partly due to its higher proportion of fast-twitch fibers and its anatomical position under stretch during running (Martin et al., 2022).

Fatigue, poor trunk/pelvic control, and sudden spikes in high-speed running are emerging as significant contributors to hamstring strain risk, particularly in field and court sports (Martin et al., 2022).

Preventing Hamstring Injuries

The good news is, hamstring injuries can often be prevented with smart training. Strengthening the hamstrings through eccentric exercises like Nordic hamstring curls and single-leg Romanian deadlifts has been shown to reduce injury rates significantly (Al Attar et al., 2017; Martin et al., 2022).

Effective prevention programs should also include:

  • Agility and trunk stabilization exercises — not just strength work (Martin et al., 2022).

  • Warm-up routines with dynamic stretching and sport-specific drills.

  • Monitoring high-speed running loads to avoid sudden spikes in intensity.

Addressing muscle imbalances is key too. Maintaining a healthy strength ratio between the quadriceps and hamstrings — and ensuring good trunk and gluteal control — promotes optimal biomechanics and reduces injury risk (Martin et al., 2022).

Recovering Well After a Hamstring Injury

A proper recovery should include:

  • Early management: Controlling swelling and pain with ice and appropriate activity modification.

  • Progressive eccentric strengthening: Integrated carefully to build resilience.

  • Functional rehabilitation: Sprinting drills, agility work, and sport-specific movements are crucial before returning to full play (Martin et al., 2022).

Interestingly, studies show athletes who follow programs that include eccentric training and trunk stability work have lower reinjury rates than those who just focus on basic strength and stretching (de Visser et al., 2012; Martin et al., 2022).

Return-to-play decisions should be made carefully. Factors like strength symmetry, absence of pain, and readiness for high-speed running should all be considered to reduce the risk of reinjury, which can be as high as 30% otherwise (Martin et al., 2022).

Final Thoughts

Even as a physio, my personal hamstring tear was a stark reminder that fatigue, progressive loading, and structured rehab are vital ingredients for both prevention and recovery. Whether you’re a weekend warrior, a professional cricketer, or just trying to beat the buffet, hamstring health is crucial.

If you’d like help strengthening your hamstrings, managing an existing injury, or optimising your running and performance, feel free to reach out. I (and my hamstrings) would be happy to help!

Till next time, Praxis what you Preach!

Backed by evidence. Trusted by athletes. Here for every body.

References

  • Al Attar, W.S.A., et al. (2017). The effectiveness of injury prevention programs in reducing the incidence of hamstring injuries in soccer players: a systematic review and meta-analysis. Journal of Physiotherapy, 63(1), 11–17.

  • Danielsson, B., et al. (2020). Mechanisms of hamstring strain injury: current concepts. Sports Medicine, 50(4), 669–682.

  • Martin, R.L., et al. (2022). Hamstring strain injury in athletes: Clinical Practice Guidelines. Journal of Orthopaedic & Sports Physical Therapy, 52(3), CPG1–CPG44.

  • Orchard, J.W., et al. (2013). AFL Injury Report 2012.

Stress Fractures in Young Cricket Fast bowlers: A persistent challenge

Stress Fractures in Young Cricket Fast bowlers: A persistent challenge

by | May 16, 2023 | Lower Back, Return to Sport

Lumbar stress fractures are a common and persistent injury among cricket fast bowlers, particularly adolescents. The repetitive and high-intensity nature of the bowling action places tremendous stress on the lower back, leading to the development of stress fractures in the lumbar vertebrae. With several years of cricket physio experience, I’ll explore the causes, symptoms, treatment, and prevention strategies associated with these usually season ending injuries.

Causes and Symptoms:

The primary cause of lumbar stress fractures in fast bowlers is the high volumes of repeated hyperextension and rotation of the lower back during the bowling action. This repetitive motion places excessive strain on the bony structures of the spine (pars interarticularis), eventually leading to small cracks or fractures. Adolescent fast bowlers are of particular risk as this strut of bone has yet to fully develop (as with most of their surrounding musculature) and thus is more susceptible to overload. Symptoms of lumbar stress fractures may include lower back pain, stiffness, tenderness, and discomfort, particularly during bowling.

Treatment and Rehabilitation:

The management of lumbar stress fractures requires a comprehensive approach. Initially, rest and avoiding activities that exacerbate the pain are essential to allow the bone to heal. A period of complete rest from bowling, coupled with appropriate pain management is usually recommended. A structured rehabilitation program focusing on core stability, flexibility, and strengthening exercises on the lumbar spine, pelvis and lower limbs is crucial for a safe return to bowling. Once a players has reestablished the requisite physical attributes, a graduated bowling plan is established.

Prevention Strategies:

Prevention is key in mitigating the risk of lumbar stress fractures. Fast bowlers should maintain a balanced training regime that includes multi-joint strength training, flexibility exercises, and proper warm-up and cool-down routines. Regular monitoring of workload and ensuring adequate recovery time between bowling spells can also minimize the likelihood of injury. Of particular note, is avoiding back to back days of fast bowling in adolescent cricketers.

In summary, lumbar stress fractures pose a significant challenge to cricket fast bowlers, especially those in their teen years or as they transition to junior cricket to senior cricket. A diagnosis typically requires extensive time away from bowling and requires a targeted rehabilitation plan and a cautious return to the sport. By understanding the causes, recognizing the symptoms, and implementing effective prevention and strengthening strategies, bowlers can continue to bowl fast and trouble the batsmen down the other end!

If you wanting to minimise your risk of a stress fracture, or think you may have one, feel free to consult with one of our expert physiotherapists, well versed in the cricket literature.

Until next time,

Praxis What You Preach

About the author. Stephen is an experience Cricket Physiotherapist having spent 15 years working in elite and semi-elite cricket. He was fortunate enough to have Dr Marc Portus as his mentor early on in his career. Dr Portus is an authority on stress fractures in fast bowlers having completed his PhD in the area and helped shape modern day workload parameters. Stephen’s particular area of interest is in the high performance pathways (U16-U20’s) cricket where stress fractures are often first experienced. To read more about Stephen or book, click here

Fact or Fiction – Preseason Training

Fact or Fiction – Preseason Training

by | Nov 22, 2019 | Gym and Strength, Return to Sport, Sports Injury

Answer – FACT

With preseason training just around the corner, this blog is a timely reminder that turning up to preseason training consistently will give athletes the best chance of being able to play most games next year.

Murray et al (2017) reported that AFL players who completed <50% of pre-season training were 2x more likely to sustain in-season injury than those who completed >85%! This is not just relevant to elite AFL, it is relevant to all sports of all levels (even more so)! So what’s the take home message? For the best chance to be able to play week in/week out during the competitive phase of the season, consistency during preseason is vital.

If you had injuries last season or are trying to make this your best season yet, see us to make sure you are ticking all the boxes!

#praxisphysio #preventprepareperform #factorfictionfriday #preseasontraining #praxispwhatyoupreach #afl #sportsphysio #preventprepareperform

References:

Murray NB, et al. Relationship Between Preseason Training Load and In-Season Availability in Elite Australian Football Players. Int J Sports Physiol Perform. 2017.

Pilates: Reforming our back pain rehabilitation (Part 1 of 3)

Pilates: Reforming our back pain rehabilitation (Part 1 of 3)

by | Jun 3, 2019 | Lower Back, Pain, Reformer Pilates

With our 30 day pilates challenge starting today, we thought we would take a look at why we love pilates so much for our patients, and what some of the benefits are. Part 1 looks at how pilates affect those with chronic lower back pain. Part 2 looks at the difference between mat and reformer pilates and part 3 looks at how often is required to see the benefit of pilates.

SUMMARY:

  • Back pain is extremely common, multifactorial, and often reoccurs
  • Strengthening interventions appear better for long term suffers of lower back pain
  • Pilates has been shown to improve muscular strength and endurance of key pelvic and postural musculature associated with lower back pain
  • Specifically, pilates promotes the restoration of the function of muscles involved in lumbopelvic stabilisation, that is, transversus abdominis, multifidus, diaphragm and pelvic floor muscles
  • As little as 2 sessions per week for 6 weeks has been shown to see improvements in pain and function for those with longstanding lower back pain, even after stopping pilates

Chronic low back pain (CLBP) is one of the commonest musculoskeletal problems in modern society (Anderson 1999) and is a highly prevalent in both the sporting and general public. CLBP is experienced by 70%–80% of adults at some time in their lives (Crombez et al 1999) and as such, the costs associated with LBP and related disability are enormous, causing a major economic burden for patients, governments and health insurance companies (Dagenais 2008).

Lower back pain has been one of the most extensively studied musculoskeletal conditions as a result of the prevalence and debilitation nature. Its management comprises a range of different intervention strategies including surgery, drug therapy and non-medical intervention like rehabilitation (Paolucci et al 2018). Within Physiotherapy, exercise therapy is probably the most commonly used intervention for the treatment of patients with chronic non-specific LBP due to its plausible biological rationale and low cost.

Whilst general conditioning programs to train strength and endurance of the spine musculature have been shown to reduce pain intensity and disability (Rainville et al 2004), the popularity of pilates (both mat and reformer) has helped provide an accessible and supervised form of therapeutic exercise.

EVIDENCE FOR PILATES

The Pilates method, using functional exercises aims to improve muscular strength and endurance. Specifically, the pilates method have promotes the restoration of the function of muscles involved in lumbopelvic stabilisation, that is, transversus abdominis, multifidus, diaphragm and pelvic floor muscles. Using the principles of progressive overload, your body adapts to the incremental loading week after week and consequently results important postural control improvement. In 2009, Curnow and colleagues showed that the Pilates method improves load transfer through the pelvis, something that intuitively helps those with CLBP.

However, a systematic review (Patti et al 2015) reported evidence that Pilates method-based exercises are more effective than no treatment or minimal physical exercise interventions in the management of chronic nonspecific LBP. Further, they pointed out that the effects of the Pilates method are only proven for patients with chronic nonspecific LBP in the short term.

A recent study by Natour and colleagues (2015) showed that the group of participants that were practicing Pilates method resulted statistically better compared with the a non exercising group who only used inflammatory medication. Those who were in the pilates group used less pain medication at 45, 90 (conclusion of the Pilates method), and 180 days, 90 days after the conclusion of the exercise program.

In conclusion, Pilates as an exercise choice is more effective than minimal physical exercise or drug based interventions in reducing pain and disability in the short-term period. There is agreement that exercise “helps” in the treatment of chronic pain, but it is still not clear exactly which factors or particular kind of exercises may be responsible of such improvements (Natour et al 2015; Patti et al 2015). Praxis Physiotherapy has always been a strong proponent of movement and loading early in rehabilitation (more on this in later blogs!).

In the next instalment, we discuss the difference between mat and reformer pilates and perhaps find some more answers regarding which exercise regime reigns supreme!

Check out all our other reformer pilates services on our website

Until next time,

Prevent. Prepare. Perform.

References:

  1. Andersson GB. Epidemiological features of chronic low-back pain. Lancet. 1999;354(91789178):581–585.
  2. Crombez G, Vlaeyen JW, Heuts PH, Lysens R, Crombez G. Pain-related fear is more disabling than pain itself: evidence on the role of pain-related fear in chronic back pain disability. Pain. 1999;80(1-2):329–339.
  3. Dagenais DC, Caro J, Haldeman S. A systematic review of low back pain cost of illness studies in the United States and internationally. The Spine Journal 2008;8(1):8‐20.
  4. Paolucci, T., Attanasi, C., Cecchini, W., Marazzi, A., Capobianco, S. V., & Santilli, V. (2019). Chronic low back pain and postural rehabilitation exercise: a literature review. Journal of pain research, 12, 95.
  5. Rainville J, Hartigan C, Martinez E, Limke J, Jouve C, Finno M. Exercise as a treatment for chronic low back pain. Spine J. 2004;4:106-115
  6. Patti, A., Bianco, A., Paoli, A., Messina, G., Montalto, M. A., Bellafiore, M., … & Palma, A. (2015). Effects of Pilates exercise programs in people with chronic low back pain: a systematic review. Medicine, 94(4).
  7. Curnow, D., Cobbin, D., Wyndham, J., & Choy, S. B. (2009). Altered motor control, posture and the Pilates method of exercise prescription. Journal of bodywork and movement therapies, 13(1), 104-111.
  8. Natour, J., Cazotti, L. D. A., Ribeiro, L. H., Baptista, A. S., & Jones, A. (2015). Pilates improves pain, function and quality of life in patients with chronic low back pain: a randomized controlled trial. Clinical rehabilitation, 29(1), 59-68.