c. 1600, "position, situation; disposition of the several parts of anything with respect to one another or a particular purpose," especially of the body, "pose," from French posture (16c.), from Italian postura "position, posture," from Latin positura "position, station," from postulus from past participle stem of ponere "to put, place" (see position (n.)). The figurative sense of "a state of being or attitude in relation to circumstances" is from 1640s. Related: Postural.
"relating to or concerned with the cure of bodily deformities in children or in persons generally," 1840, from French orthopédique, from orthopédie, coined by French physician Nicholas Andry (1658-1742), from Greek orthos "straight, correct" (see ortho-) + paideia "rearing of children," from pais (genitive paidos) "child" (see pedo-).
<a href="https://www.etymonline.com/word/posturpedic">Etymology of posturpedic by etymonline</a>
Harper, D. (n.d.). Etymology of posturpedic. Online Etymology Dictionary. Retrieved $(datetime), from https://www.etymonline.com/word/posturpedic