Knee Pain

Knee Anatomy Frontal View

Who along you readers ever experience Knee Pain?

Knee pain is a common presentation for clients of any range of age and gender.

Knee pain indeed is a vast topic.

So in this post, we are going to go through how to identify the reason why we can experience knee pain.

For doing so we are going to look at some special testing, that we use for the knee joints.

Next, in a further post, we may analyse individual conditions.

Now, the knee is the strongest joint in the body.

It takes a lot of pressure from the upper body and still has to handle the shock coming from the lower leg session, shock as walking, running and jumping.

Indeed, whenever we do one of these actions, the knee plays a big role.

But let’s start looking at the knee anatomy:

Bond:

– Above: Femur
– Below: Medially the Tibia, laterally the Fibula.
– Patellar is the front “floating bond”

Knee Anatomy

Ligaments:

Anterior Crucial Ligament
Posterior Crucial Ligament
Posterior Menisco-Femoral Ligament
Fibular Collateral Ligament
Tibial Collateral Ligament
Transverse Ligament (this one is visible only from the front side of the knee, below the patella)

In between the bonds we have:
Medial Meniscus
Lateral Meniscus

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So, the knee joint can be divided into two parts:

– Tibiofemoral joint that connects through the collateral ligaments, cruciate ligaments and menisci;

– Patellofemoral joint, gives stability to the medial and lateral retinaculum and allows the extension mechanism through the tendons of the quadriceps f.

Now that we have a better idea of what the knee anatomy is, we can look into his functionality.

Knee ROM are:

Extension: 0°
Flexion: 140°
Internal Rotation: 30°
External Rotation: 40°
Abduction/Adduction: 15°

Said so, we start narrowing down that the greater ROM of the knee is flexion.

Even if the Internal and External rotation since to be a big move for the knee, in the reality, that’s not always the case.

The older we get, easily this motion actively gets tighter.

Indeed, one of the main reason for meniscus injury is the twisting of the knee, when the feet is holding the ground and the body rotates.

But as previously mentioned in this post we would look into the knee special test.

So, let’s start looking in too what special tests can tell us.

As we already mentioned in another post, a generic active, passive or resisted ROM tell us about the muscle functionality.

On the other hand, a special test for the knee can show us if a ligament or a meniscus are loose, in the case of ligaments or injured.

Furthermore, special tests, on the knee are essential to prevent further injury and reduce joint degeneration.

To start with we have the drawer test: Anterior Draw test and Posterior Draw test.

The Anterior one is to test the anterior crucial ligament, and the posterior, obviously, is for the posterior crucial ligament.

Both these tests are done with the client lying on the table, with a hip and knee flexed, and foot on the table.

The therapist will ensure that the foot doesn’t move and will place its hands around the knee, with the fingers (except the thumb) seating at the top of the calf and the thumbs seating on the patella.

For the A.D. test, the therapist will lightly pull the knee joint away from the patient body.

On the other hand, for the P.D. test, the therapist will push the knee towards the patient body.

These tests are positive if there is a loose movement within the knee, in the direction of pull or push.

If the client has a history of injuries, to the ACL or PCL the therapist wants to make sure not to push or pull with great effort, or injury could occur.

Are you finding this information useful, and you are suffering from knee joint pain? Book your next session by following this link.

Anterior draw knee test

Moving forward we then have the vagus and varus test, which analyse the status of the medial and lateral ligament.

For the valgus e place one hand above the knee laterally, and the other hand above the ankle on the medial side.

By applying opposite pressure in the 2 directions we put the medial ligament under stress.

If pain is reproduced, or there is a loose movement the test is positive.

The same action is for the Varus test.

In this case, the hands are placed still above the knee and ankle, but the bottom hand is placed laterally and the top one, is placed medially.

Next, we have the Apleys Test, which is to evaluate the state of the meniscus.

The client, in this case, would be lying down face down, and knee flexed.

The therapist will be standing next to the client, on the side of the knee flexed and will apply pressure to the knee.

If no pain is reproduced with pressure only, the therapist can gently apply a rotation movement to the flexed knee.

The test is positive if the pain is reproduced.

Another test and most luckily the more efficient one and most used by therapists in case of meniscus injury is the McMurray test.

Here is how it works:

The patient lies in the supine position with the knee completely flexed (heel to glute).

Lateral Meniscus: the examiner then medially rotates the tibia and extends the knee.

Medial Meniscus: the examiner then laterally rotates the tibia and extends the knee.

McMurray is a positive test if the pain is reproduced.

There are still a couple of tests that can be done for the knee, but so far we did cover the most important.

About the therapy that I can offer for releasing knee pain, MLD is what I would go for.

Remedial Massage and Thai Massage can be used too but more to facilitate and or strengthen the muscle surrounding the area.

 

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