Worst - (superlative of `undesirable') most seeking in high quality or price or ailment; "the worst player to the crew"; "the worst weather conditions on the yr" Which means plantar flexion is most often accompanied by adduction and inversion permitting supination of the foot, when dorsiflexion is accompanied by abduction https://modernsmarthealth.com/product/therapy/pain-management-therapy/ankle-brace-support/sports-ankle-protective-sleeve-brace-compression-support-sleeves-plantar-fasciitis-foot-socks-ankle-supports/