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What is a high ankle sprain?

14/4/2022

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Essentially, the ankle consists of three bones, the tibia, fibula and talus, all held together by thick fibrous ligaments. The bottom parts of the tibia and fibula (shin bones) join together and surround the talus in such a way that it is able to rock forwards and back while providing stability and restricting the side-to-side movements.
The ligaments holding the tibia and fibula together are large and thick, forming a syndesmosis. An injury to this area is known as a high ankle sprain.
high ankle sprain
How do they happen?

A high ankle sprain can occur when your lower leg twists inwards while your foot is planted on the ground. The foot is typically pushed back and rotated outwards, putting excess pressure on the ligaments that hold the lower leg bones (tibia and fibula) together. This force can cause the syndesmosis to tear resulting in a gapping of the two bones, which can lead to significant instability of the ankle. This can happen simply from a fall, but more commonly while playing sports that involve running and jumping. This is also a common injury for downhill skiers. You are often unable to walk on your toes after this type of injury.

What is the difference between a high and a low ankle sprain?

A "normal" or low ankle sprain is a tear of the ligaments connecting the ankle to the foot, a syndesmosis tear (between the bottom of the tibia and fibula) is called a “high” ankle sprain. High ankle sprains are much less common than lower ankle sprains, accounting for only 1-11% of all ankle injuries. It can initially be difficult to tell the two injuries apart. To complicate things, a fracture of the ankle will also have similar symptoms. Your physiotherapist has a set of physical tests they can perform if they suspect a high ankle sprain. Ultimately imaging such as X-Rays or an MRI may be required to confirm the diagnosis.

Why does correct diagnosis matter?

High ankle sprains can take up to two times longer to heal than normal ankle sprains and require more immediate attention. Syndesmosis tears that are left untreated can result in chronic instability and pain, making them vulnerable to further injury in the future. Furthermore, if the separation of the tibia and fibula is severe enough, early surgery to fixate the injury with a screw or a "tightrope" to pull them back together may be required.

What is the treatment?

As mentioned, severe and unstable tears may require surgery, but most syndesmosis tears will need to be put into a supportive boot for around 4-6 weeks. Following this period a graduated rehabilitation program of strengthening, mobilization, balance, control and agility will need to be commenced before your ankle will be back to its pre-injury level of function. This can take up to 6 months in some cases.
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Medial ligament injuries of the knee

7/10/2021

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What is it?
 
Your knee moves freely backwards and forwards; however, the thought of it moving from side to side probably makes you cringe. This is because the knee joint has sturdy ligaments either side of it that prevent sideways movement and we instinctively know that a lot of force would be required to shift it in this direction. 
 
The ligaments on either side of the knee are called the collateral ligaments and they each work to provide stability and restrict the knee’s movement into a sideways direction. The medial collateral ligament (MCL)  is found on the inside of the knee and acts to prevent the knee bending inwards towards your other leg.
MCL knee injury
How does this injury occur?
 
The typical mechanism for this injury is a force that drives the lower leg inwards. This can occur from an awkward landing from a height, or when twisting with a foot fixed on the ground or from an external force hitting the outside of the knee, such as with a football or rugby tackle.
 
What are the symptoms?
 
MCL tears typically create pain and swelling quite specifically on the inside of the knee. The severity of the pain and swelling will be related to the amount of ligament fibres damaged. Larger tears may also make the knee feel unstable or loose. 
 
A grading system is used to classify the severity of the injury and help to guide treatment. Grade 1 indicates that a few ligament fibres have been torn and grade 3 is used for a complete tear of the ligament with associated joint laxity. Very severe MCL tears may also involve injury to the medial meniscus and anterior cruciate ligament (ACL) and can require surgical repair. However, most MCL sprains can be managed well with physiotherapy. Grade 1 and 2 MCL sprains take between 3-8 weeks to fully heal and a complete rehabilitation program is strongly recommended to prevent future injury.  
 
How can physiotherapy help?

In the early stages of the injury, treatment is focused on pain and swelling management, while allowing the body to start the healing process. This is best managed thought the R.I.C.E. principles (Rest, Ice, Compression and Elevation). 
 
Following any injury, it is natural for muscles to waste a little and the damaged tissues to lose what we call proprioception, the ability to sense their position in space. This loss of muscle strength and proprioception can contribute to future injury if not restored with a proper rehabilitation program. 
​
Physiotherapy also aims to restore movement to the joint and support the ligament while healing to ensure that it is strong and healthy, and the scar tissue forms in an organized fashion, which makes the new ligament as strong as it can be and protects against future tears.
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What is chronic ankle instability?

22/10/2020

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Chronic ankle instability, as the name implies, is a chronic condition of instability affecting the ankle and it’s surrounding structures. It usually develops after a severe ankle sprain. However, some people are born with less stable ankles and these individuals are generally extra flexible throughout their bodies. Approximately 20% of ankle sprains lead to chronic ankle instability due to the resulting changes in ligament support, strength, postural control, muscle reaction time and sensation. 
ankle instability
What are the symptoms?

As well as being more susceptible to ankle sprains, people with chronic ankle instability may notice they feel cautious during high-intensity activities, running on uneven surfaces or when changing directions quickly. They may experience a sense of weakness or frequent ‘giving way’ around their ankle.

What are the causes?

The primary causes of this condition are ligament laxity, decreased muscle strength of the muscles surrounding the ankle and reduced proprioception. 

Following an ankle sprain, ligaments can be stretched and slightly looser than they were. In severe cases, they may have torn altogether, leaving the ankle less structurally sound. Without full rehabilitation, the surrounding muscles also become weaker and studies have shown that balance and sensation of the ankle can also be reduced. This means that the ankle is more likely to be injured again, creating a cycle of recurrent injuries, leading to further instability.

How can physiotherapy help?

Physiotherapy treatment for chronic ankle instability focuses on improving strength, control and balance with a variety of techniques and exercises. This approach can significantly improve ankle stability and reduce the risk of future sprains. Physiotherapists can help patients to regain confidence and get back to their best performance. 

In some cases, braces for support can be used. However, this can lead to dependence and further loss of strength and control if used unnecessarily. In cases of extreme ligament laxity or if physiotherapy fails, surgery to repair the damaged ligaments is considered. This is usually combined with a full physiotherapy rehabilitation program for greatest success.

If you don’t feel 100% confident with your ankle, come and have a chat with one of our physiotherapists to see if we can help improve your ankle stability.
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Wrist Sprains

27/8/2020

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​What is a wrist sprain?
Wrist sprains are a general term used to describe any injury to the wrist that doesn’t include a fracture, but is most likely to be a ligament injury. While this can indicate that they are not serious injuries, wrist sprains can be complicated injuries that require supervision and treatment to recover fully.
 
The wrist refers to the area where the bones of the forearm, the radius and ulna, meet and join the bones of the hand. The wrist is able to twist on itself and allows the hand to move to face palm up (supination) or palm down (pronation). The hand is also able to move up and down (flexion/extension) and side to side (abduction/adduction). To allow such complicated movements, the joint surfaces of the wrist are held together by a series of ligaments. When a wrist is sprained, it is usually these ligaments that have been damaged. 
wrist sprain treatment
What are the symptoms?
The primary symptom of a sprained wrist is pain with movement of the joint or when taking load, such as when holding a heavy object.
 
Ligament injuries are given a grading scale to indicate their severity, which can help to guide treatment. Grade 1 refers to a stretching or laxity of the ligament fibres and injuries of this grade usually heal with rest within 2-3 weeks. A grade 2 classification signifies that there has been a partial tear of the ligament fibres and will often need more time and treatment for recovery. Grade 3 tears refer to a full thickness rupture of a ligament and may require splinting or even surgery.

The most common cause of a wrist sprain is a fall onto an outstretched hand. Ligament injuries can also happen gradually through over use, although this is less common.

What is the treatment?
Your physiotherapist is able to help diagnosis a wrist sprain and can help to rule out a fracture. An X-ray might be required and your physiotherapist will perform special tests to help identify exactly which structure has been injured, also giving the injury a grade, to help guide treatment.
 
How can physio help?
The key to effective recovery for a wrist sprain is ensuring that the right treatment protocols are in place for your particular injury. Grade 1 sprains will recover best with gentle exercises and early strengthening while Grade 2 to 3 injuries may require splinting or even a surgical consultation for repair.
 
If surgery is the right course for you, your physiotherapist is able to guide you through this treatment pathway, helping you to prepare and recover from surgery to get the best outcome possible. 
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Can poor balance lead to ankle sprains?

4/6/2020

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Ankle sprains are one of the most common sporting injuries and most people have experienced one at least once in their lifetime. While they are common, this doesn’t lessen their negative impacts. Surprisingly, having poor balance might be increasing your risk of ankle sprains. Here we discuss a few facts about balance and what you can do to reduce your risk of ankle injuries
ankle sprain treatment
Why are ankles particularly vulnerable to injuries related to poor balance?
 
Our ankles have to support our entire body weight when standing on one foot. To provide us with agility as well as stability, our ankles have the ability to move from side to side as well as backwards and forwards. There is a complicated process constantly operating to keep your foot in the correct position while supporting all this weight, particularly with quick changes of direction, activities done on tiptoes, jumping and landing.
 
If the ankle rolls excessively inwards, the ligaments on the outside of the ankle can be damaged and torn. Balance is an important part of keeping the ankle in the correct alignment and not twisting too far to either side during challenging activities.
 
A study of high school basketball players  by Timothy McGuine et al. in 2010 showed that students with poor balance were up to seven times more likely to sprain their ankle than students with good balance. Other studies have shown that balance training is an effective way of preventing falls in elderly populations.
 
Balance can vary from one leg to the other.
 
Most of us tend to favour one side of our body for all activities. This is more obvious in the upper body, with most of us identifying as either left or right handed. The same is also true for our lower body, with each of us favouring one leg over the other for balance activities. This can mean that one leg has better balance and strength than the other, leaving one leg more vulnerable to injury.
 
Reduced balance can mean your body has to work harder to perform activities, with muscles activating in a less coordinated way. Improving your balance can also improve your body’s efficiency of movement, which can, in turn, improve your overall performance without actually improving your muscle strength.
  
Balance can be trained rapidly.
 
Balance is one of the most overlooked dimensions of physical health however, the good news is that it can be improved relatively quickly. Do a quick check to see if you can stand on each leg for two minutes with your eyes closed. If this is difficult you might find that improving your balance is a great next step in your training program.
 
Your physiotherapist is able to identify any deficits in your balance is and is able to develop a training program for you to improve it. Come and see us for an appointment to see how we can help.​
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