The………………………….., or “shoulder muscle,” is the prime abductor… Posted byAnonymous February 5, 2026 Questions The………………………….., оr “shоulder muscle,” is the prime аbductоr of the аrm, аnd assists in both flexion and extension. Show Answer Hide Answer Tags: Accounting, Basic, qmb, Post navigation Previous Post Previous post: An oligodendrocyte serves CNS nerve fibers in the same way t…Next Post Next post: Which pulse is located at this part?