Thomas Test

Practical Usage

Incorporate this exercise into the routine of your choice with the upcoming ExRx app. Or use the workout creation guide for an evidence-based do-it-yourself approach.

Thomas Test



Lie supine on bench with leg extended beyond edge of bench (less than half of thigh on bench). Bring knee of other leg to chest.


Pull thigh down with hands until low back touches testing surface. Repeat on opposite leg.


Lower thigh should remain on table. If lower thigh lifts off table while low back contacts table, a tight Iliopsoas is indicated.


Thigh should be pulled into chest just enough to have low back contact bench. A false positive may occur if pelvis posteriorly rotate beyond what is nessecary to have low back contact testing surface.


Joint ROM: Hip Extension
Flexibility: Iliopsoas
Force: Passive (Gravity)

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