Muscles of the Back Muscles of the Back Daniel Young, JR Isenberg, Lexi Daniel Young, JR Isenberg, Lexi Morton Morton
Dec 16, 2015
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.