Ankle Sprains - A Physical Therapists Perspective

Introduction Sprained ankles are one of theinjury and the ligament has sustained a partial tear.
leading causes of athletes to miss games duringThe ankle will typically be more swollen and
the season. Many times they are taped up &ecchymosis (bruising) will usually occur. The ankle
rushed back to the field without properwill be more unstable and painful compared to a
rehabilitation. More often than not, the ankle getsgrade I.
re-injured or worse, they end up with a knee, hipGrade III (3rd degree)- This is the most severe
or low back injury. These injuries can beinjury as the ligament has been completely torn.
prevented by providing the proper healing timeThis is the most painful ankle sprain and will
and rehabilitation. The same premise holds true fortypically present as very hot and swollen with a
non-athletes. I have worked with a number oflot of ecchymosis sometimes tracking halfway up
patients that have had multiple ankle sprains thatthe lower leg.
were never given the opportunity to fullyImmediate care following ankle sprain - Following a
rehabilitate. The most common complaint is thatturned ankle, it is difficult to determine the
their ankle turns over at any time withoutseverity based on a number of factors. Swelling
warning. All it takes is a slight bend in themay occur immediately making the injury seem
pavement and the ankle turns. This type of injuryworse than it actually is. If the ankle does not
is frustrating and can become debilitating. Thisswell, this does not necessarily minimize the
article discusses the different types of anklepossibility of torn ligaments. Tenderness will usually
sprains, what to do following a sprain, and whatbe present on the outside of the ankle with an
does rehabilitation of the ankle involve?inversion sprain. It also may be difficult to stand
Brief Anatomy The ankle is made up of threeon the injured foot. The safest advice would be
primary bones. The tibia & fibula, which areto keep the shoe/sneaker tied tight to prevent
the longs bones of the lower leg and the talusthe ankle from swelling. Keep the weight off the
which is a major bone of the foot. Together theyfoot as much as possible. When the shoe is taken
make up the talocrural joint. The mobility of theseoff, the leg should be elevated above the heart
bones allows the foot to flex and extend which isand an ice pack should be compressed against the
required for propulsion during walking. The otherankle. This will help decrease both the pain and
major joint of the ankle is formed by the lowerswelling. This technique is called R.I.C.E standing for
portion of the talus and the upper portion of theRest, Ice, Compression, Elevation. R.I.C.E is a good
calcaneus (heel bone). These two bones formpneumonic for any injury to the extremities.
what is called the subtalar joint, which allows forShould I go to the hospital? If you are having
movement in and out (inversion/eversion). Thisdifficulty putting weight on the foot, if the swelling
inversion motion is the most common mechanismis severe, and the pain has not reduced after a
of injury. The ligaments are tissues that connectfew hours of using the R.I.C.E technique, a visit to
bone to bone. Their function is to provide stabilitythe hospital is recommended. Prepare to wait in
to the joint. There are three main ligaments onthe emergency room for a while. Ankle sprains
the outside of the ankle called the lateral collateralare not usually treated as a priority. The doctor
ligaments. Their function is to prevent the anklewill examine the ankle looking for joint and
from inverting too far. The inside of the ankle isligament instabilities. He/She may also order an
protected by the deltoid ligament, which functionsX-ray to check for fractures. On occasion, an MRI
to prevent excessive eversion or turning out.will be ordered to assess ligament damage.
Mechanism of injury - The most typical anklePhysical Therapy/Rehabilitation It is common
sprain is an inversion sprain. This occurs when thefollowing an ankle sprain to be placed on crutches.
ankle turns inward and the bodies weightMore severe sprains are placed in a boot or air
compresses the ankle brining the lateral malleoluscast to help with ankle stability. There are four
close to the floor. This excessive movementmajor categories of impairments that occur
places the lateral ligaments on strain, stretchesfollowing an ankle sprain. These include 1. Ankle
the tendons crossing the joint and can also lead tojoint instability due to weakened ligamentous
some of the tarsal bones compressing on onestructures 2. Muscle weakness 3. Poor balance
another. The greater the inversion force results in(proprioception) 4. Pain and swelling. Each of these
a more severe ankle sprain or fracture. For theimpairments must be addressed for a successful
purposes of this article, I will only be coveringrehabilitation. Physical therapists will utilize various
ankle sprains, not fractures.massage techniques and modalities to reduce
What is the difference between a sprain and ainflammation. Manual therapy techniques will be
strain? This is a common question. A sprain resultsused to restore normal joint mechanics and to
from a stress placed upon a ligament. Rememberretrain the proper muscle firing patterns
a ligament connects one bone to another bone. Anecessary for stability. An effort is required to
sprain is a partial or full tear in the ligament or atnormalize your walking (gait) as quickly as possible
the junction of where the ligament attaches toto prevent compensations. Finally, a specific
the bone. A strain results from an excessivestrengthening program that incorporates the
force or overload on a muscle leading toentire lower extremity and core muscles is
micro-tears in the muscle belly or tendon. Aprovided to improve overall strength, balance and
tendon is a tissue similar in strength to a ligamentcoordination. Each ankle sprain is different from
that connects a muscle to the bone. Boththe next & everybody heals at a different
ligaments and tendons are non-contractile tissue.rate. Typically, rehabilitation following an ankle
Only muscle has the ability to contract (shorten).sprain can be as short as two weeks (4 visits) up
Grading an ankle sprain There are three differentto eight weeks (20 visits). This does not take into
grades of an ankle sprain based on the severityaccount any other co-morbidities.
of the injury.Conclusion Ankle sprains if managed properly
Grade I (1st degree)- This is the most commonthrough physical therapy and a conscious effort
type of sprain. The ligaments are overstretchedto comply with a home exercise program are
but no visible tear has occurred. Microscopic tearsusually rehabilitated very successfully with low
have occurred that will heal if treated properly.chance of re-injury. However, if an ankle sprain is
Minimal swelling should occur and only minor anklenot fully rehabilitated, the chances of re-injury
instability will be present.with more severe damage increase greatly.
Grade II (2nd degree)- This is a more severe