Muscles of the BackMuscles of the Back

Daniel Young, JR Isenberg, Lexi MortonDaniel Young, JR Isenberg, Lexi Morton

Latissimus Dorsi Latissimus Dorsi

Function: Extends Function: Extends the arm and the arm and rotates the arm rotates the arm medially.medially.

Ex. Lifting arm to Ex. Lifting arm to point at this point at this PowerPoint. PowerPoint.

Rhomboid MajorRhomboid Major

Function: Retract, Function: Retract, elevates and elevates and rotates the rotates the scapula which scapula which depresses the depresses the glenoid fossa.glenoid fossa.

Ex. Shrugging Ex. Shrugging sholders.sholders.

Rhomboid MinorRhomboid Minor

Function: Performs Function: Performs the same function the same function as the Rhomboid as the Rhomboid Major. Major.

Ex. Moving arm Ex. Moving arm front to back.front to back.

Trapezius Trapezius

Function: Elevates Function: Elevates and depresses the and depresses the scapula, rotates the scapula, rotates the scapula, retracts the scapula, retracts the scapula. scapula.

Ex. Lowering Arms, Ex. Lowering Arms, bringing arms closer bringing arms closer to body.to body.