External Oblique Special Tests

External Oblique Strength Test

To do:

With the client supine, the therapist has them perform trunk side flexion ipsilaterally along with contralateral trunk rotation

The client holds that position against gravity for a few seconds

If the client is able to resist gravity, the therapist tries to bring the client out of the position

Positive sign:

Unable to resist the force of gravity or the therapist can indicate weakness

External Oblique Length Test

To do:

With client supine, the therapist brings their trunk into contralateral side flexion and ipsilateral trunk rotation

Positive sign:

A feeling of stretch along the muscle

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