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Posterior Trunk
| Question | Answer |
|---|---|
| A muscle that enables you to shrug your shoulders or extend your head | Trapezius |
| a muscle that adducts the shoulder and causes extension of the shoulder joint | Latissimus Dorsi |
| The shoulder muscle that is the antagonist of the Latissimus Dorsi | Deltoid |
| Prime mover of back extension; a composite muscle consisting of three columns | Erector Spinae |
| A fleshy muscle forming part of the posterior abdominal wall that helps to maintain upright posture | Quadratus Lumborum |
| Acting individually, small rectangular muscles that rotate the glenoid cavity of the scapule inferiorly | Rhomboids |
| Synergist of latissimus Dorsi in extension and adduction of the humerus | Terres Major |
| a rotator cuff muscle; prevents downward dislocation of the humerus | Supraspinatus |
| a rotator cuff muscle; rotates the humerus laterally | Infraspiratus |
| a rotator cuff muscle; lied immediately inferior to the infraspinatus | Terres Minor |
| Synergist of the trapezius in scapular elevation; acts to flec the head to the same side | Levator Scapule |