Thomas Test :- The most Questionable Special Test

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What is Thomas Test?

Thomas test is Basically , done for hip flexor contractures .

Mainly done for tightness of hip flexors muscle.

Especially for Iliopsoas muscle tightness.

And muscles including like rectus femoris, Tensor fascia lata, gracillis and sartorius.

Technique:-


To perform this test, take the patient in supine position.

Then check the Patients lumbar lordosis .

Because generally the Patients have a high lumbar lordosis in hip flexors contractures.

Then ask the patient , to flex the hip and take it till, chest through his / her hand .

Ask the patient , if he/ she is feeling stretch in contralateral leg.

It can also done on edge of the table.

Also Read about:-Speed’s test

Positive sign for This test:-

In case of positive sign , the contralateral limb would be lifted .

Thus showing tightness of Iliopsoas muscle .

You can also measure the knee extension .

Sign to check for biceps femoris?

It is an hamstring muscle .

So we woukd rule out biceps femoris, if there is lateral/ external rotation of tibia in contralateral limb.

J sign in Thomas test?

If the contralateral limb is abducting, the iliotibial band would be tight.

Thus showing the J sign in this test.

Relevancy of this test?

The sensitivity of the test is 31%.

The specificity of the test is 57%.

Studies on Thomas test?

Studies onThis test is very Limited and confined.

But 1 study told that modified thomas test has very good inter-reliability.

Further studies are required for relevancy and interpretation.

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