MIDDLE TRAPEZIUS

STRENGTH TEST

​• ​Testing for

The strength of the middle trapezius muscle.

​• ​Test positioning

The client is prone.

​• ​Action

The client affected shoulder to 90-degrees.

The client externally rotates arm.

The client attempts to extend their affected arm then hold (grade 3 strength).

The therapist stabilizes the unaffected shoulder.

The client attempts to extend their affected arm as the therapist resists (grade 5 strength).

​• ​Positive finding

The client cannot hold the arm in extension or cannot resist the therapist anteriorly directed pressure.