Middle Trapezius StrengthTest

TESTING FOR

The strength of the middle trapezius muscle.

PROCEDURE

The client is prone.

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 SIGN

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