Psoas Major Special Tests
Iliopsoas Strength Test
With the client supine and their knee on the affected side in extension,
The therapist stabilizes the unaffected pelvis.
The client then flexes their affected hip at 30 degrees and slightly externally rotates it.
The client is asked to hold position
If the client can’t hold the affected leg off the table.
With the client supine and legs extend
The therapist places the clients foot of the affected side on the other knee
The affected hip stays above level of the unaffected knee
The client should be supine with their gluteal folds off the end of the table and hips and knees flexed.
The client can hold onto their legs in flexion with their hands.
Next, the client then keeps the unaffected leg flexed and slowly lowers the affected leg, while letting it extend as far as it can.
Short quads: affected knee stays extended
Short Psoas: the hip remains flexed.
Short TFL/ITB: abducted hip