A hip fracture caused by a fall is not a minor event. Research consistently shows that up to 30 percent of older adults who sustain a hip fracture die within the following 12 months, often from complications related to immobility, infection or decline in overall health. For those who survive, up to 50 percent never return to their previous level of independence. These are confronting numbers, and they underscore why osteoporosis is far more serious than its quiet, symptom-free progression might suggest.

Osteoporosis is a condition in which bone density decreases to the point where bones become fragile and vulnerable to fracture from minor forces, sometimes from nothing more than a trip or a stumble. It affects approximately one in three women and one in five men over the age of 50 in Australia, making it one of the most prevalent chronic conditions in the country. The reason it often goes undetected for so long is that it produces no pain, no warning signs and no obvious symptoms until a fracture occurs.

How exercise actually strengthens bone

Bone is living tissue. Like muscle, it responds to the demands placed on it by becoming stronger. When sufficient mechanical force is transmitted through a bone, it creates a biological stress signal that stimulates specialised bone-forming cells called osteoblasts to lay down new bone material. This process, known as Wolff's Law, means that bones subjected to regular, adequate loading will adapt and strengthen over time. Bones that are not sufficiently loaded will continue to lose density.

Not all exercise is equal when it comes to bone health. Walking is beneficial for general health but does not produce enough mechanical load through the bones of the hip and spine to drive meaningful bone adaptation. The evidence from multiple randomised controlled trials, including the landmark LIFTMOR trial published in the Journal of Bone and Mineral Research, shows that high-intensity progressive resistance training produces significant improvements in bone density at the hip and spine. The key word is progressive: the load needs to increase over time as the body adapts in order to continue providing the stimulus for bone growth.

Beyond bone density itself, strength training provides two additional protective benefits that are often overlooked. First, stronger muscles improve balance and coordination, which directly reduces the likelihood of falling in the first place. Second, stronger muscles and bones together mean that if a fall does occur, the body is far better equipped to absorb the impact without fracturing.

Getting started safely

The idea of lifting weights can feel daunting for someone who has been diagnosed with osteoporosis and is cautious about loading fragile bones. This is where guided physiotherapy is genuinely valuable. A physiotherapist can assess your current baseline, identify any associated conditions that need to be addressed first, and design a program that starts at the right level and progresses at a pace that is safe and effective for you. Exercise machines at a gym are often ideal for this, as they guide movement through a controlled range and allow precise management of the load being applied.

If you have been told you have knee osteoarthritis and you are wondering whether you need a knee replacement, you are not alone. Knee OA is one of the most common musculoskeletal conditions in Australia, affecting roughly 2.1 million people. It is the leading cause of pain and disability in adults over 45, and knee replacement surgery rates have more than doubled in the last two decades. Yet the research tells a consistent story: for the vast majority of people, surgery is not the necessary first step.

Knee osteoarthritis involves the gradual breakdown of cartilage inside the knee joint, causing pain, stiffness and swelling. What many people do not realise is that the amount of degeneration visible on a scan often has very little relationship to the amount of pain a person experiences. Studies show that a significant proportion of people with severe radiological changes on x-ray report minimal discomfort, while others with mild changes can be significantly limited. This is encouraging, because it means that what shows up on imaging is not your fate.

What makes knee OA worse

Understanding your triggers is one of the most powerful things you can do. Knee OA is particularly sensitive to sudden increases in load. A large one-off event, such as a prolonged period of kneeling, a long day on your feet travelling, or a sudden return to high-impact activity, can cause a significant flare that lasts for days or weeks. The research refers to this as load mismanagement. The knee joint does not respond well to large, abrupt changes in what is asked of it.

Deep knee flexion, bending the knee fully as when squatting low or kneeling on hard surfaces, places the greatest compressive force through the joint and tends to be the most aggravating position for people with knee OA. Learning which movements cross your personal threshold is a central part of managing the condition long term.

Body weight also matters more than most people realise. Research consistently shows that each kilogram of body weight above the waist translates to approximately four kilograms of force through the knee joint with every step. For someone carrying 10 kilograms of excess weight, that is an additional 40 kilograms of load through an already irritated joint, multiplied across thousands of steps each day.

What the evidence says about treatment

A landmark study published in the New England Journal of Medicine found that arthroscopic surgery for knee OA produced no better outcomes than sham surgery. Since then, multiple international clinical guidelines have consistently placed exercise therapy as the primary recommended treatment. Surgery is recommended only after conservative management has been thoroughly explored.

Exercise works because muscle, particularly the quadriceps at the front of the thigh, acts as a shock absorber for the knee. A progressive strengthening program has been shown in multiple randomised controlled trials to reduce knee OA pain by 40 to 50 percent and improve function significantly, comparable to the relief provided by anti-inflammatory medication, without the side effects.

Tennis elbow, known clinically as lateral epicondylalgia, is one of the most common upper limb conditions seen in physiotherapy practice, affecting roughly 1 to 3 percent of the population and most prevalent between the ages of 35 and 55. Despite the name, the majority of people who develop it have never held a tennis racquet. Tradespeople, administrative workers, parents and people who cook or clean regularly are just as susceptible, because the condition is fundamentally about the cumulative load placed on the forearm tendons that attach to the outside of the elbow.

The tendons affected, most commonly the extensor carpi radialis brevis, become irritated and degenerate when they are repeatedly asked to do more than they can currently handle. This is not an inflammatory process in the traditional sense. Research has consistently shown that the primary pathology is tendon degeneration rather than acute inflammation, which is why anti-inflammatory approaches including corticosteroid injections often provide only short-term relief. The long-term evidence for injections beyond three months is actually worse than for physiotherapy and exercise alone.

Why repetitive gripping is the key aggravator

The forearm tendons at the lateral elbow are heavily involved in gripping and in keeping the wrist in an extended position. Typing at a desk, holding cleaning utensils, wringing a cloth, lifting a kettle and using tools all place sustained or repeated demands through these structures. The issue is rarely a single large event. Much more commonly, the tendon has been accumulating load over weeks or months until it crosses a threshold. A key clinical finding that is often missed is involvement of the median nerve: where symptoms are persistent or not responding as expected, increased sensitivity and reduced mobility of the median nerve along the inner forearm can be a significant contributing factor.

What the evidence recommends

A systematic review in the British Journal of Sports Medicine confirmed that exercise therapy, particularly progressive tendon loading, produces the best long-term outcomes for lateral epicondylalgia. The initial phase typically involves isometric exercise, where the muscle contracts without joint movement. Isometric contractions provide meaningful pain relief in the short term while beginning tendon adaptation. Load management is equally important: restructuring daily activities to spread aggravating tasks across the week rather than concentrating them is often the single most powerful change a person can make.

The Kimura has been a staple of grappling since 1951, when Japanese Judoka Masahiko Kimura used it to submit Helio Gracie himself. Today it is one of the most drilled and most finished submissions in Brazilian Jiu-Jitsu and submission grappling, and according to competition injury data, it is also the second most injurious submission in the sport. If you have been dealing with shoulder pain after BJJ training, or you felt something go during a Kimura, you are far from alone.

Research looking at BJJ black belts aged 30 to 45 found that 52.8 percent had a history of shoulder injury and 73.6 percent reported shoulder pain. More than half showed signs of shoulder impingement or rotator cuff problems on clinical testing. These numbers are not surprising when you consider how many times a serious grappler has been put in, drilled, or fought out of a Kimura position over the years. The shoulder is the most mobile joint in the body, and that mobility comes with a trade-off: it depends heavily on the surrounding muscles and ligaments to stay stable under load.

What actually gets damaged in a Kimura

The Kimura works by pinning your upper arm out to the side at roughly shoulder height, bending your elbow to 90 degrees, and then using your forearm like a lever to crank your shoulder into internal rotation. Two things get stressed hardest in this position. The first is the rotator cuff, specifically the muscles on the back of the shoulder responsible for resisting that internal rotation. The second is the ligament at the back of the shoulder joint capsule that keeps the ball of the shoulder sitting correctly in the socket at that arm position. When someone goes too hard, taps too late, or gets caught off guard, one or both of these can get injured.

Rotator cuff problems from BJJ training

The rotator cuff muscles at the back of the shoulder are the ones working hardest to resist a Kimura. Repeated drilling, or a single bad rep, can cause these tendons to break down over time, leading to shoulder pain with lifting, reaching overhead, or lying on that side at night. This kind of shoulder tendon pain is extremely common in grapplers and does not mean you need surgery. In fact, the research is very clear: the best treatment is a structured exercise program that progressively strengthens the exact muscles that got overloaded. This approach has strong evidence behind it as the first-line treatment, and surgery is only considered if 12 weeks of proper rehabilitation has not worked, or if there is a complete tear on a scan.

Anti-inflammatory medication and cortisone injections can take the edge off in the short term but will not fix the underlying problem on their own. If you have been relying on either without doing the strengthening work, that is likely why the pain keeps coming back.

Shoulder instability after a Kimura

If your shoulder feels like it is slipping, catching, or giving way when you raise your arm, you may have stretched or partially torn the ligament at the back of the shoulder joint. In severe cases this ligament tears away from the bone entirely, which requires surgery. For most people though, the instability can be fully rehabilitated without going under the knife. The process involves building back the strength in the muscles that dynamically stabilise the shoulder, starting with controlled exercises and gradually progressing toward the positions that BJJ demands: posting on an arm, bridging, and eventually being able to defend or apply a Kimura without the shoulder giving you grief.

AC joint sprain at the top of the shoulder

The joint at the top of your shoulder where the collarbone meets the shoulder blade is called the AC joint, and it can also take damage from Kimura mechanics through compression and shear force. AC joint sprains make up about 9 percent of all shoulder injuries in contact sports. Most injuries from a submission, without a heavy fall involved, are on the milder end of the grading scale and are managed without surgery. A short period of offloading in a sling, followed by a rehab program that works from gentle shoulder blade exercises up toward heavier loading and BJJ-specific movements, is the standard and effective approach.

Why rest alone is not the answer

The most common mistake BJJ athletes make with shoulder injuries is taking two or three weeks off, feeling better, going back to full training, and then re-injuring the same thing within a month. Rest reduces pain but it does not rebuild the strength or tissue resilience the shoulder needs to handle grappling. A proper return to training after a BJJ shoulder injury needs to be structured, progressive, and specific to the demands of rolling.

De Silva Physio is a mobile physiotherapy service covering all Melbourne suburbs. If you are dealing with shoulder pain from BJJ training and want to get back on the mats properly, we come to you at home or at your gym.

Competition injury data is consistent on this: the elbow is the most commonly injured joint in Brazilian Jiu-Jitsu, and the armbar is the most common reason why. It is also one of the most preventable injuries in the sport, since it almost always happens when someone taps too late, decides to tough it out, or simply does not feel the submission coming until it is too late. If your elbow has been injured from an armbar, or from resisting one, this is what is actually happening inside the joint and what a good recovery looks like.

The armbar hyperextends the elbow against a fixed fulcrum at the hip, and unlike a simple fall onto an outstretched arm, it also adds an outward bending force at the same time. Research into the injury pattern shows that structures fail in a predictable order: the front of the elbow joint capsule goes first, then the ligament on the inside of the elbow, then the tendons where the forearm muscles attach at the inner side of the elbow. Knowing which one is affected matters, because the treatment approach and the expected recovery timeline are quite different for each.

Elbow stiffness: the hidden danger after an armbar

The joint capsule at the front of the elbow is usually the first thing to go. On its own this might not sound catastrophic, but the real problem is what happens in the weeks that follow if it is not managed properly. When soft tissue around a joint gets injured, the healing process produces scar tissue. At the elbow, this scar tissue has a tendency to form in a way that progressively restricts how far you can straighten or bend your arm, a condition called elbow contracture. Once established, contracture can be very difficult to reverse.

The key to avoiding this is simple but counterintuitive: do not rest the elbow in a bent position and do not stop moving it. Getting pain-free range of motion back in the first one to two weeks, before the scarring process really takes hold around week four, is the most important thing you can do. If the elbow is already stiffening up, specific long-duration stretching and elbow splinting can help recover the movement. Research shows that elbow splints used correctly after a traumatic injury can recover around 36 degrees of movement on average. The earlier you start, the less ground you have to make up.

Inner elbow ligament damage (UCL tear)

The ligament on the inside of the elbow is the main thing stopping the joint from bending outward sideways. In an armbar the outward bending force applied through the submission puts direct stress on this ligament, and it can stretch, partially tear, or fully rupture. Unlike baseball pitchers who tend to damage this ligament slowly over years of throwing, BJJ athletes typically injure it in one go.

Partial tears are usually managed without surgery. The process involves protecting the elbow from sideways stress for the first couple of weeks, then progressively rebuilding the forearm and grip strength that helps support the joint. Most people can begin light drilling with a trusted partner somewhere between four and eight weeks. For complete tears that do not settle with conservative management, the surgical outcomes are genuinely excellent for grapplers. Research shows that 86 percent of non-throwing athletes return to the same or higher level of sport after elbow ligament surgery, with a return to training timeline of around seven to ten months depending on the procedure.

Inner elbow tendon pain (golfer's elbow)

On the inner side of the elbow, just where you can feel that bony bump, several forearm muscles share a common attachment point. These tendons can be partially torn or gradually overloaded through BJJ training, resulting in pain on the inside of the elbow that gets worse with gripping, wrist curling, or any pulling movement. This is what most people would recognise as golfer's elbow, and it is common in grapplers whether or not they have had a specific armbar injury.

Conservative management works well for most cases. The rehabilitation process moves through protecting the tendon early, then progressive loading with isometric and isotonic exercises, and eventually returning to the pulling and gripping demands of rolling. In severe acute cases where the tendon has ruptured off the bone, surgery is sometimes required, but this is the exception rather than the rule. If your inner elbow pain has been dragging on for months without improvement, it is worth getting a proper assessment and an MRI to clarify what is actually going on.

De Silva Physio provides mobile physiotherapy across all Melbourne suburbs. If you have an elbow injury from BJJ training and want a clear plan to get back rolling, we come directly to you at home or at your gym.

Among all the submissions in Brazilian Jiu-Jitsu, the inside heel hook stands alone as the most likely to cause serious injury. Competition data shows that leg lock submissions are associated with the most severe knee injuries in the sport, and the inside heel hook is at the top of that list. It works by trapping the leg in an entanglement, capturing the heel, and using it to rotate the lower leg outward with the knee only slightly bent. That combination, a near-straight knee twisting under load, is the exact mechanism that puts the ACL under its highest possible stress. The submission is banned in competition for beginners and lower belts for good reason: it can rupture the ACL before the person even feels enough pain to tap.

What makes heel hook injuries particularly damaging is that it is rarely just one structure. When the ACL goes under this mechanism, the ligament on the inner side of the knee and the cartilage pads inside the joint are frequently caught up in the same injury. Understanding all three and how they influence each other is essential to doing the rehabilitation correctly.

ACL tear from a heel hook

The ACL is the main ligament keeping the knee stable under rotational and forward stress. A heel hook can tear it completely, often without the loud pop or immediate severe pain that people expect from an ACL injury. This is one reason why grapplers sometimes walk off a heel hook thinking it is just a minor tweak, only to find the knee swelling up overnight and giving way when they try to change direction the next day.

A torn ACL does not automatically mean surgery. Whether to reconstruct it or manage it without an operation depends on the individual: how unstable the knee feels, what other structures are involved, how active the person wants to be, and whether the knee gives way during normal activities. A structured rehabilitation program following the Melbourne ACL Rehabilitation Guide, which progresses based on what the knee can actually do rather than just how many weeks have passed, is the gold standard approach for both surgical and non-surgical paths.

Can the ACL heal on its own? The Cross Bracing Protocol

This is a question a lot of injured grapplers ask, and the honest answer is that it sometimes can, if the conditions are right and treatment starts early. A 2023 study tested a protocol where the knee is braced at 90 degrees of flexion for four weeks immediately after the injury, with the idea that holding the torn ends of the ACL close together gives the tissue a chance to bridge and heal. Out of 80 people with a complete ACL tear, 72 showed signs of healing on MRI at three months. The key requirements are presenting within one month of injury, having a complete rupture without a badly torn cartilage pad that needs surgery, and no history of blood clots. For BJJ athletes who meet these criteria, this is absolutely worth discussing with a physiotherapist or surgeon before booking an operation.

MCL injury alongside the ACL

The ligament on the inner side of the knee is injured alongside the ACL in a very high proportion of heel hook injuries. Research shows 78 percent of severe MCL tears have an associated ACL injury. The good news is that the MCL, unlike the ACL, has a strong blood supply and almost always heals without surgery. The rehabilitation approach involves protecting the knee from sideways stress with a brace for the first couple of weeks, reducing the amount of weight going through the leg for around four weeks, and then gradually allowing more range of motion and loading as healing progresses. The MCL and ACL programs run simultaneously, and one informs the pace of the other.

Meniscus damage and why it matters long term

The cartilage pads inside the knee, the menisci, are commonly involved in heel hook injuries as well. The research originally described this as the "Unhappy Triad" of ACL, inner knee ligament, and inner cartilage pad, though more recent evidence shows it is actually the outer cartilage pad that tends to go alongside an ACL injury, not the inner one. Either way, it matters because the meniscus is not just a passive cushion: it distributes load across the knee joint and protects the underlying cartilage surface.

Tears in the outer portion of the meniscus, which has a good blood supply, have around an 80 percent healing rate at two years with the right management and a period of reduced loading. Tears in the inner portion, which has no blood supply, do not heal and carry a significantly higher long-term risk of knee arthritis. This is why getting a proper scan and assessment after a heel hook injury is important, and why cutting corners on the rehabilitation process can have consequences well beyond the immediate injury.

De Silva Physio provides mobile physiotherapy across all Melbourne suburbs. If you have injured your knee from a heel hook or any leg lock submission, we can come to you for a thorough assessment and guide you through a full rehabilitation program, from the acute stage through to getting back on the mats.

The straight ankle lock is typically one of the first leg submissions people learn in BJJ, and it is also one of the more common causes of ankle injury in the sport. Epidemiological studies of BJJ athletes confirm that ankle ligament injuries are among the most frequent submission-based injuries in grappling. The submission forces the ankle into an extreme pointed-foot-and-rolling-inward position under load, which is functionally the same as a severe ankle sprain. The difference from a sprain you might get on the court or the field is that the force is applied deliberately, quickly, and can be considerably more than the ankle can handle before there is time to tap.

What gets injured and how badly

The ligaments on the outside of the ankle are the ones at risk. The ligament at the front of the outer ankle is the most commonly torn, involved in around 70 percent of ankle sprains. If the ankle continues to roll further under load, the ligament just below it on the outer side comes under stress as well. Between these two, the range of injury covers everything from minor stretching to a complete tear.

Ankle injuries are graded one to three. A Grade I is a minor stretch with some local tenderness, usually better within one to two weeks. A Grade II involves a partial tear with noticeable swelling, some difficulty walking normally, and a recovery of three to six weeks. A Grade III is a full rupture: significant swelling, real difficulty walking, and the ankle feels unstable or loose to the touch. With the force that can be applied in a BJJ ankle lock, Grade II and Grade III injuries are genuinely common, and they are worth taking seriously.

What to do in the first few days

The PEACE and LOVE framework, published in the British Journal of Sports Medicine, is a practical guide for managing soft tissue injuries in the early stages. The core idea is to protect the ankle from further stress and manage swelling, while avoiding the things that interfere with normal healing, such as heavy icing and anti-inflammatory medication in the first 72 hours. The most important principle is that keeping the ankle completely still for days or weeks is not helpful for anything below a Grade III injury. Early, gentle movement within a pain-free range speeds up healing by helping the new tissue organise itself in a way that produces a stronger repair.

Why so many ankle injuries become a long-term problem

Here is the statistic that most people do not know: research shows that 74 percent of athletes still have ankle symptoms one and a half to four years after an ankle sprain. The reason is not that the ligament failed to heal. The ligament usually heals structurally within a few months. The reason is that the ankle's ability to sense and control its own position, something called proprioception, is disrupted by the injury and never properly retrained. Without that retraining, the ankle keeps rolling because it cannot react quickly enough when the ground shifts or the foot gets caught in an awkward position during a takedown, foot sweep, or scramble.

This is what a proper rehabilitation program addresses: not just strength and flexibility, which most people do manage to recover, but the balance and reactive control work that stops the ankle re-rolling. For a BJJ practitioner, this means the rehab program needs to specifically target the movements that grappling demands: single-leg stability, changing direction under load, and eventually the unpredictable positions that come up in live rolling.

Getting back to BJJ training safely

Once the ankle is comfortable walking and basic strength is returning, grapplers can usually begin sitting or kneeling positional work and light drilling that does not involve the feet. Stand-up work, takedowns, foot sweeps, and leg entanglement positions should be the last things reintroduced, after the proprioceptive training is well established and the ankle has been progressively challenged through more demanding exercises. Returning to hard sparring before this stage is reached is the most common reason the same ankle injury keeps recurring.

De Silva Physio provides mobile physiotherapy across all Melbourne suburbs. If you have rolled your ankle from a submission or any other cause and want to get it properly sorted rather than just waiting and hoping, we come to you at home or at your gym.