MSA Final Exam Graded A+ 2024What attachment site do the trapezius and deltoid muscles have in common? - ANS-acromionWhich bony landmark is located on the lateral side of the mid-humeral shaft? - ANS-deltoid tuberosityThe origin of the deltoid is identical to the insertion of which muscle? - ANS-trapeziusWhat action can you ask your partner to perform at the shoulder in order to contract the entire deltoid? - ANS-abductionWhich movement of the vertebral column would shorten the fibers of the erector spinae muscles? - ANS-extensionWhich is the origin of the deltoid? - ANS-lateral 1/3 of clavicle, acromion and spine of scapulaWhat is the insertion of the deltoid? - ANS-deltoid tuberosityWhich of the following is an action of all fibers of the deltoid? - ANS-abduct the shoulderWhich portion of the latissimus dorsi is easiest to grasp? - ANS-middle portion next to the lateral borderWhich muscle is a complete synergist with the latissimus dorsi and is sometimes called "lats little helper"? - ANS-teres majorWhich shoulder movement would lengthen the fibers of the latissimus dorsi? - ANS-abductionWhich shoulder movement would shorten the fibers of the teres major? - ANS-adductionWhich of the following is a part of the origin of the latissimus